Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
32. Which of the following is NOT characteristic of the third cervical vertebra? xA. A demifacet on the body B. A pedicle C. A bifid spinous process D. A foramen in the transverse process E. Attachment of its spinous process to the nuchal ligament 38. A. xE. 39. A. 42. The cephalic vein can sometimes be used for emergency venous access. It lies in the__________ and drains into the _________ Deltopectoral groove; subclavian vein B. Deltopectoral groove; external jugular vein C. Intertubercular groove; axillary vein D. Bicipital groove; brachial vein Deltopectoral groove; axillary vein At birth, the lower end of the conus medullaris is normally found at vertebral level S-2 B. C. xD. E. T-12 L-1 L-3 COC-2 Which of the following statements is INCORRECT? xA. Spina bifida most commonly occurs at the cervicothoracic junction B. Spina bifida occulta is the least severe variation of spina bifida C. Spina bifida results from failure of vertebral arches to fuse D. Spina bifida cystica involves the meninges E. Spina bifida with myeloschisis is the most severe variation of the defect 59. When performing epidural anesthesia on adults, the following landmarks are used to ensure the spinal cord is not damaged on inserting your needle: A. B. C. xD. E. The umbilicus The 12th thoracic vertebra The xiphisternum A horizontal line joining the highest points of the iliac crests The subcostal margin 57. A 14-year-old girl presents to the ER with pyrexia, stiff neck and a rash. You suspect meningitis and decide to perform a lumbar puncture. Your needle will pass through the following structures in which CORRECT order? A. Skin, ligamentum flavum, supraspinous ligament, epidural space, dura mater, arachnoid mater xB. Skin, supraspinous ligament, ligamentum flavum, epidural space, dura mater, arachnoid mater C. Skin, supraspinous ligament, ligamentum flavum, arachnoid mater, epidural space, dura mater D. Skin, ligamentum flavum, supraspinous ligament, arachnoid mater, epidural space, dura mater E. Skin, dura mater, arachnoid mater, ligamentum flavum, epidural space, supraspinous ligament 58. Prostate cancer often spreads to the vertebral column via the internal vertebral venous plexus, where is this plexus found? xA. B. C. D. E. 49. Which of the following correlations is INCORRECT? A. B. C. D. xE. 41. 10 Th. 12 Th. 2 Lumbar 6 Th. 8 Th. Which of the following structures are NOT involved with the triangle of auscultation? A. xB. C. D. E. 65. Latissimus dorsi --- medial rotation of humerus Occipital artery --- external carotid artery Tendons --- attach muscles to bone Adduction --- move limb to the body Greater occipital nerve --- dorsal primary rami of Cl Following a wedge fracture of the vertebral column a person complains of lack of sensation around the umbilicus. Which vertebra was MOST LIKELY involved? xA. B. C. D. E. 43. Epidural space Subarachnoid space Subcutaneous tissue Subdural space Foramen transversarium Lateral border of trapezius Teres minor Rhomboid major Inferior angle of scapula Supero-medial border of latissimus dorsi Your 15-year-old male patient arrives at your office complaining of a "sprained shoulder" which he reports occurred while learning to serve in tennis. His symptoms include diffuse tenderness in the root of the neck on the right side, pain in the right shoulder exacerbated by movement of his arm and deep breathing, and tingling and numbness in his right arm. An x-ray of the region reveals the presence of a right cervical rib, and you diagnose Thoracic Outlet Syndrome. What anatomical structures have been compressed? A. B. xC. D. E. 66. The fascia of the neck are important in spread of infections, blood, anesthetic agents and also in operative approaches. Among the characteristics of the superficial investing fascia is that it ... A. B. C. D. xE. 57. encloses the platysma muscle covers, and surrounds the viscera of the neck, including the larynx and pharynx covers the ventral surface of the anterior scalene muscle and long thoracic nerve provides the anterior boundary of the "danger space" of the neck ensheathes (surrounds) and passes between the trapezius and the sternocleidomastoid muscles The patient, the manager of a small convenience store, had suffered a gunshot wound to the right shoulder. The axillary artery was torn between the second and third parts of the artery. To avoid excessive blood loss, vascular clamps were applied to the damaged vessel until a vascular surgeon could arrive at the small community hospital to repair the site of injury. While waiting for the surgical repair, arterial blood flow to the limb would depend to a considerable extent upon anastomoses between ... A. B. C. xD. E. 51. Subclavian vein, cupola of lung, and spinal accessory nerve Anterior scalene muscle, phrenic nerve and cervical plexus Subclavian artery and brachial plexus Deep cervical artery, supraclavicular nerves and ansa cervicalis nerve Supreme (highest) intercostal artery, long thoracic nerve and intercostobrachial nerve intercostal branches of the internal thoracic and the lateral thoracic artery the transverse cervical artery and the suprascapular artery the profunda brachii artery and the subscapular artery the suprascapular artery and the circumflex scapular artery thoracodorsal artery and the circumflex scapular artery Shortly after an injured lineman was carried from the football field, the quarterback was tackled by a very large second semester medical student playing the position of linebacker. The quarterback landed heavily on his left shoulder, resulting in great pain and his departure from the game. Upon examination, it was noted that the patient could not abduct his left arm, nor could he rotate the arm laterally. He could not flex his elbow strongly, either, although he could extend it, after it had been flexed by the student health physician. He had no difficulty flexing or extending his fingers, nor performing fine movements with his fingers. The "accident" obviously injured, or traumatized, the A. xB. C. D. E. radial nerve upper trunk of the brachial plexus lower trunk of the brachial plexus posterior cord of the brachial plexus, independent of other structures the medial and lateral roots of the median nerve 49. The 10 month old daughter was brought by her mother to the pediatrician after she discovered that when the child began to stand up, one leg appeared shorter than the other. The physician diagnosed the child's condition as congenital dislocation of the hip. This condition ... xA. B. C. D. E. 67. usually results from malformations of the acetabulum (hip socket), with dislocation occurring after birth is attributable to excessive tightness of the articular capsule of the hip joint, which pulls the limb into a chronic state of abduction always occurs in utero is also called amelia does not require any treatment for the child to walk normally A young male fell and put his right hand and forearm through a window. A transverse cut occurred across the ventral aspect of the mid forearm, extending as deep as the osseous plane. On examination, there is-profuse arterial hemorrhage and he has difficulty flexing the 4th and 5th fingers as well as adducting the hand. Which of the following are NOT LIKELY findings? A. B. C. D. E. xThe laceration is on the lateral aspect of the ventral surface of right forearm The ulnar nerve is cut or damaged The flexor carpi ulnaris muscle is damaged The ulnar artery is severed The radial artery is intact 65. A 40-year-old ex-convict was shot in the left forearm with the bullet entering through the dorsal aspect, a hand's breath below the elbow arresting on the radius. Patient was subsequently unable to extend the wrist and fingers but sensation remained normal in the entire limb. Which of the following would NOT have occurred? xA. B. C. D. E. 66. A 70-year-old man developed a tumor in the distal part of the scalenus anterior muscle with pressure on related structures. Which of the following would NOT be found at examination of the patient? A. B. C. xD. E. 63. Damage to superficial branch of radial nerve Damage to deep branch of radial nerve Damage to extensor carpi radialis longus Damage to extensor digitorum communis Damage to extensor carpi radialis brevis Prominent circumflex scapular vessels Diminished flow in axillary vessels Prominent suprascapular vessels Prominent transverse cervical vessels Prominent thoraco acromial vessels An occlusion of the axillary artery DOES NOT usually result in total loss of blood supply to the upper limb because of anastomoses around the scapula. Arteries which arise from the axillary artery and contribute in a significant way to these anastomoses include the: A. B. C. xD. E. 64. A fracture of the mid-portion of the shaft of the humerus resulted in injury to the nerve lying in the spiral groove of the bone. With injury to this nerve, what would you NOT expect to see at examination? A. B. C. D. xE. 61. Suprascapular artery Deep brachial artery (profunda brachii) Transverse cervical artery Subscapular artery Dorsal scapular artery "Wristdrop" would be apparent The triceps brachii would still be functional There would be absence of the brachioradialis reflex There would be weakness in the grip of the flexor muscles of the fingers Total loss of supination of forearm and hand A 24-year-old football player is referred to an orthopedic surgeon because of a mid-shaft fracture of the humerus. Surgery reveals a hematoma that resulted from an artery that was torn by a bone fragment. This artery is MOST LIKELY the: xA. Profunda,brachii (deep brachial) B. Radial C. Axillary D. Brachial E. Radial collateral 57. A 26-year-old, muscular male had apparently traumatized his long thoracic nerve during hiking. The next day, as a result of the paralysis of this nerve, you noticed during examination: xA. Weakness in protraction of scapula on affected side B. Paralysis of his trapezius muscle and weakness in elevating his shoulders C. Difficulty in breathing, because of paralysis of his diaphragm D. Inability to retract (or, pull back) his scapulae E. Inability to adduct his arms with his pectoralis major muscles 58. A newborn had suffered a complete tear of the upper trunk of the brachial plexus by excessive traction on its head at birth. The result of such injury would eventually include: A. xB. C. D. E. Paralysis of the abductors and adductors of the fingers Inability to abduct the arm at the shoulder joint Paralysis of opposition of the thumb to the other digits Loss of the triceps reflex Loss of sensation on the medial side of the arm 56. A patient was experiencing pain over the deltoid region extending down the lateral side of the arm. A myelogram, injection of an opaque medium into the cerebro8pinal fluid was performed. X-ray studies revealed that there was a compression of the fifth cervical spinal nerve. From this, it is CORRECT to make the following assumption: xA. The disk or bony process that is compressing the nerve lies between the fourth and fifth cervical vertebrae B. If not corrected, there will be sensory loss to the thoracic wall at the level of the nipple C. The anterior longitudinal ligament is being pressed against the fifth thoracic nerve and, possibly, the adjacent portion of the spinal cord D. The contrast medium was injected into the subdural space E. The outline of the subarachnoid space would be obscured at the site of the compressed nerve 54. xA. 50. A 42-year-old woman presents to her doctor complaining of a sagging right shoulder and inability to turn her head up and to the left. These symptoms are MOST LIKEY due to injury of the: Right spinal accessory nerve B. Supraclavicular nerves C. Vagus nerve D. Left spinal accessory nerve E. C3 and C4 A patient enters your office with a posterior dislocation of the head of the humerus putting pressure on the structures within the quadrangular space. Which nerve is in danger of being damaged or impaired with this type of dislocation? A. B. xC. D. E. 51. Musculocutaneous nerve Median nerve Axillary nerve Radial nerve Ulnar nerve A young child presents with a fracture of the clavicle at the junction of the lateral and middle thirds. The medial and lateral fragments are tilted upward and downward, respectively. Medial displacement of the lateral fragment is caused by contraction of which of the following muscles? A. Sternocleidomastoid B. Trapezius C. Deltoid xD. Pectoralis major E. Subclavius 47. A patient cannot abduct his arm. This inability results from a lesion of which of the following nerves? A. xB. C. D. E. 48. 46. Inability to supinate the forearm could result from an injury to which of the following pair of nerves? A. Axillary and radial xB. Radial and musculocutaneous C. Suprascapular.and axillary D. Musculocutaneous and median E. Median and ulnar Which of the following group of nerves is intimately related to a portion of the humerus and can be affected by fracture of the humerus? A. B. C. xD. E. 49. ulnar Axillary Radial Median Musculocutaneous A patient has a severely damaged radial nerve resulting from fracture of the lower third of the humerus. The patient will experience A. B. xC. D. E. 56. Axillary, median, musculocutaneous Axillary, musculocutaneous, radial Axillary, median, ulnar Axillary, radial, ulnar Median, radial, ulnar A patient complains of sensory loss over the anterior and the posterior surfaces of the medial third of the hand and the medial one and one-half fingers. Which of the following nerves is injured? xA. B. C. D. E. 45. Thoracodorsal and upper subscapular Suprascapular and axillary Radial and lower subscapular Axillary and musculocutaneous Suprascapular and dorsal scapular a sensory loss over the ventral aspect of the base of the thumb an inability to oppose the thumb a loss of wrist extension, leading to wrist drop a weakness in pronating the forearm an inability to abduct the fingers The position adopted by the right arm in this patient can be explained by paralysis of which of the following groups of muscles? A. Flexor digitorium superficialis, flexor pollicis longus, flexor carpi radialis longus, and flexor carpi ulnaris B. Extensor carpi ulnaris, supinator, extensor indicis, and extensor digiti minimi C. xxSupraspinatus, deltoid, biceps brachii, greater part of brachialis, infraspinatus, and teres minor D. Latissimus dorsi, triceps, anconeus, brachioradialis and supinator E. Pectoralis major, abductor pollicis longus, extensor pollicis brevis, and extensor pollicis longus 57. A 30-year-old plasterer was finishing a difficult ceiling in a remodeled kitchen. He was standing on top of a stepladder with his right arm above his head. As he moved the trowel filled with plaster across the ceiling in his right hand, he suddenly felt an acute spasm of pain over the tip of the right shoulder. At physical examination of the patient in the emergency department, it was found that the pain in the right shoulder recurred in the middle range of abduction and that there was tenderness over the greater tubercle of the humerus. What is the MOST LIKELY structural damage in this patient? xxLesion of the rotator cuff A. Fracture of the upper end of the humerus B. Tearing of the deltoid muscle C. Fracture of the acromion D. Tearing of the trapezius muscle 58. A 17-year-old girl was thrown from her horse while attempting a difficult jump. She landed on her right shoulder and the right side of her head. It was noticed after a week of hospitalization that she kept her right arm medially rotated and close to her side with the forearm pronated. At physical examination, an area of anesthesia was found along the lateral side if the upper part of the arm. Which nerve(s) was(were) damaged during the accident? A. B. C. D. E. 19. Which of the following nerves DOES NOT NORMALLY have any contribution from spinal nerve C7? A. B. C. D. E. 59. The axillary nerve The radial nerve The middle trunk of the brachial plexus The lower trunk of the brachial plexus xxThe C5 and C6 roots of the brachial plexus Thoracodorsal nerve xxMedial pectoral nerve Musculocutaneous nerve Long thoracic nerve Radial nerve A patient presents with an Erb-Duchenne palsy. Which of the following would NOT be affected? A. B. C. D. xE. 60. Infraspinatus muscle Biceps brachii muscle Subclavius muscle Teres minor muscle Pectoralis minor muscle A patient presents to the office with a loss of sensation over the lateral portion of the palm and the lateral three digits. The patient has difficulty with fine motor movements of the hand (i.e. buttoning her shirt or making the "OK" sign). Which of the following nerves is affected? B. C. D. E. F. 20. An occlusion of the axillary artery does not usually result in total loss of blood supply to the upper limb because of anastomoses around the scapula. Arteries which arise from the axillary artery and contribute in a significant way to these anastomoses include the: A. B. C. D. E. 21. Suprascapular artery Deep brachial artery (profunda brachii) xxSubscapular artery Transverse cervical artery Dorsal scapular artery A fracture of the mid-portion of the shaft of the humerus had resulted in injury to the nerve lying in the spiral groove of the bone. With injury to this nerve, what effects would be expected in the functions of the affected limb? A. B. C. D. E. 22. Musculocutaneous nerve Ulnar nerve xxMedian nerve Radial nerve Thoracodorsal nerve "Wristdrop" would occur The triceps brachii would still be functional There would be absence of the brachioradialis reflex There would be weakness in the grip of the flexor muscles of the fingers xxAll of the responses listed would be expected A third year medical student was asked to perform venipuncture on a patient's right arm. He is initially unsuccessful, and he changes the site of puncture to a slightly more medial one. The patient experiences pain radiating down the ventral surface of the forearm and hand, including the thumb, index finger and middle finger. The nerve penetrated is MOST LIKELY: A. B. C. D. E. The medial antebrachial cutaneous nerve xxThe median nerve The radial nerve A branch of the musculocutaneous nerve The ulnar nerve 23. A 24-year-old football player is referred to an orthopedic surgeon because of a mid-shaft fracture of the humerus. Surgery reveals a hematoma that resulted from an artery that was torn by a bone fragment. This artery is MOST LIKELY the: A. B. C. D. E. 80. E. xxProfunda brachii (deep brachial) Radial Axillary Brachial Radial collateral The 44 YO female patient, a computer software engineer, pomplained that she was awakened frequently at night by pain in her right hand, particularly in the lateral portions of her hand, and the palmar surfaces of the thumb, index and long finger. Her right thenar eminence was reduced in size, compared with that of the contralateral hand. Among the structures that pass through the carpal tunnel, wherein the median nerve is often compressed, is the... A. superficial palmar branch of the radial artery B. deep ulnar nerve and deep branch of the ulnar artery C. deep palmar branch of the radial artery xxD. tendon of the flexor pollicis longus tendon of the palmaris longus 78. As he was examined in the clinic, it became obvious that the patient had several problems in his left leg. These included the following: anesthesia limited to the medial aspect of his leg; absence of his patellar reflex; weakness in dorsiflexion of his foot;near-total paralysis of inversion of the foot. The MOST LIKELY cause of this cluster of problems would be xxA. compression of the L4 spinal nerve root by disk herniation B. compression of the L5 spinal nerve root by disk herniation C. a tumor of the psoas sheath involving the lumbosacral trunk D. lesion of the sciatic nerve just proximal to the popliteal fossa E. compression of the tibial nerve between the gastrocnemius and soleus muscles 76. A 32 YO man had taken a fall when his motorcycle hit a rock in the road from adjacent sidewalk construction. He complains of numbness and tingling along the anterolateral surface of his leg and the dorsum of his foot. He cannot elevate his foot (dorsiflexion) nor extend his toes. He cannot evert the foot, either. X-Ray imaging reveals a fracture of the neck of the fibula. Which nerve has been injured in the accident? 74. xxA. common fibular (peroneal) nerve B. deep fibular (peroneal) nerve C. tibial nerve D. saphenous nerve E. superficial peroneal (fibular) nerve The 52 YO patient presented a complaint of impotence. Physical examination revealed atrophy of the musculature of his lower limbs and reduced pulses in the groin, popliteal fossa, ankles and feet. The patient admitted that his lower limbs tired easily. Gastrointestinal, renal and respiratory functions appeared within normal limits. The probable diagnosis in this case: xxA. LeRiche syndrome, thrombus at the aortic bifurcation B. Embolic occlusion of-the "Critical Point of Sudeck". C. Aortic occlusive stenosis at the median arcuate ligament of the diaphragm D. Bilateral femoral arterial atherosclerotic occlusion E. Aortic aneurysm and intimal dissection proximal to renal arteries 72. The painter had fallen from his scaffold for a considerable distance before managing to grasp a rope and arrest his fall. As a result, however, the lower trunk of the brachial plexus was injured because of the tension to the nerve trunk where it crossed over the first rib. Sensory deficits and motor paralysis resulted. Among the resultant problems, one should be able to anticipate… A. paralysis of all interossei + loss of sensation over the lateral aspect of the dorsum of the hand B. inability to extend the elbow or MP joints + loss of sensation over the lateral aspect of the ventral surface of the forearm xxC. paralysis of opposition of thumb to other digits + absence of sensation over the medial aspect of the forearm and hand D. loss of ability to flex the elbow, whether supinated or pronated + anesthesia on the medial aspect of the dorsum of the hand E. All of the above 73. The 24 YO patient, a medical student, presented in clinic complaining of burning pain and tingling sensations down the lateral aspects of both thighs. It was noted by the well trained nurse that the patient's bluejeans were very, very tight; in fact, it took considerable effort and a significant amount of time for the student to remove this article of clothing so that careful examination could be performed to exclude more serious diagnostic possibilities. Meralgia paresthetica often results from compression of a cutaneous nerve beneath the lateral extremity of the inguinal ligament. This nerve contains sensory fibers which are derived usually just from spinal nerve levels .... A. 70. T12 B. L1 C. L1, L2 xxD. L2, L3 The 60 YO woman had a marked lurch (a type of limp) when she walked. She would lean over her right hip to swing the left limb forward, thus balancing the weight of her upper body over the right lower limb. She could advance the right limb without severe difficulty. A very likely diagnosis in this case would be Trendelenburg gait. This dysfunction of ambulation results from weakness or paralysis principally of the ... xxA. B. C. D. gluteus medius gluteus maximus tensor fasciae latae "short lateral rotator group" of the gluteal region E. 71. 67. E. quadriceps femoris A hard mass in the ostium of the patient's appendix had led to local infection appendicitis, with a slightly elevated temperature and moderate increase in WBC count. The initial pain from the infection was dull and difficult to localize, but the patient placed his hand in the periumbilical area to indicate the general area of discomfort. The region of the umbilicus receives its sensory supply, classically, from spinal nerve level ... A. T7 B. T8 xxC. T10 D. T12 The 29 YO woman had been suffering increased difficulty in her morning run before class at the medical school. On examination, it was found that the muscle group of the medial side of her left thigh was obviously weaker and smaller than that on the contralateral limb. The conclusion was that her left obturator nerve was being compressed at the obturator foramen and required surgical release. Among the muscles that were suffering paralytic weakness would be the ... A. rectus femoris xxB. gracilis C. vastus medialis D. tensor fasciae latae sartorius 63. The young man's hand was caught between the automobile and the pavement when the vehicle overturned. The tendons in the second compartment of the dorsum of his hand were torn severely. These tendons would include the... A. xxB. C. D. E. 61. 54. extensor pollicis longus and brevis extensor carpi radialis longus and brevis abductor pollicis longus and extensor pollicis brevis extensor digitorum and extensor digiti minimi extensor carpi ulnaris and extensor indicis Because of the size of the baby, excessive traction on the head and neck was used to assist in its delivery from the birth canal. It was observed thereafter that the baby could not abduct, flex, nor laterally rotate the right arm; elbow flexion also seemed to be absent. The baby's hand seemed to function normally. What neural structure(s) was (were) injured at birth? A. the musculocutaneous and median nerves B. the lower trunk of the brachial plexus C. the posterior cord of the brachial plexus xxD. the upper trunk of brachial plexus, at Erb's point E. the ulnar, suprascapular and axillary nerves The femoral artery is often used when it is necessary to thread a catheter into the heart. The artery is located within the femoral triangle of Scarpa. The lateral boundary of the femoral triangle is provided by the ... A. B. C. xxD. E. rectus femoris adductor longus pectineus sartorius iliopsoas 53. When it is not possible to find superficial veins for insertion of a catheter in the upper limbs of an infant, it is usually possible to identify and utilize the great saphenous vein. This vessel is located... A. anterior to the lateral malleolus xxB. anterior to the medial malleolus C. posterior to the lateral malleolus D. posterior to the medial malleolus E. just posterior to the lateral femoral condyle 49. Volkmann's ischemic contracture is MOST OFTEN attributable to a ... A. fracture of the surgical neck of the humerus B. midshaft fracture of the humerus C. Colles' fracture of the wrist D. midshaft fracture of the radius xxE. supracondylar fracture of the humerus 46. The patient had been experiencing pain in the buttock and posterior thigh because part of his sciatic nerve passed through the muscle that forms the "key" of the gluteal region, and was being compressed. The muscle that was compressing the nerve was the... A. B. xxC. D. E. 42. B. 43. A 50 YO woman discovered that the cause of her carpal tunnel syndrome was the dislocation of a carpal bone. The MOST LIKELY bone involved would be the… xxA. lunate pisiform. C. scaphoid D. hamate E. capitate A 60 YO butcher accidently slashed his wrist, injuring his ulnar nerve. Which of the following actions would be lost as a result of the injury? A. B. xxC. D. E. 41. C. 30. flexion of the distal phalanx of the fifth digit (little finger) extension of the thumb adduction of the fifth digit abduction of the thumb opposition of the thumb A 24 YO football player is referred to an orthopedic surgeon because of a mid-shaft fracture of the humerus. Surgery reveals a hematoma on the posterior aspect of the arm that resulted from bleeding from an artery that was torn by a bone fragment. This artery is MOST LIKELY the… A. radial B. axillary brachial xxD. profunda brachii (deep brachial) E. radial recurrent If a lumbar puncture is performed in this individual, what would you expect the CSF to show? A. B. xxC. D. E. 31. gluteus medius obturator internus piriformis obturator externus quadratus femoris increased protein, increased glucose increased protein, increased white blood cells increased protein, but not white blood cells increased glucose, but not white blood cells increased glucose, increased white blood cells After having a mastectomy for the removal of an extensive breast cancer, the 44-year-old patient tells her physician that she has great difficulty abducting her arm above the level of her shoulder. Physical examination reveals that she has a "winged" scapula when she pushes against the wall. What structure has been injured during her breast surgery to result in this problem? A. B. C. xxD. E. 34. In preparation for delivery of the baby, the anesthesiologist elects to inject a suitable quantity of anesthetic into the CSF and then so position the patient that the anesthetic will have its principal effect upon the lower portion of the body including the pelvic region. Where should the anesthetic be injected to achieve the desired result? A. B. C. xxD. E. 58. A. 43. Axillary nerve Pectoralis major muscle Deltoid muscle Long thoracic nerve Lateral pectoral nerve Into the epidural space at the sacral hiatus Into the extradural space at L3 Into the subarachnoid space at T12/L1 Into the subarachnoid space at L3/L4 Into the subdural space at Ll/L2 As you examine the baby who was delivered two weeks earlier at Princess Margaret Hospital (Roseau) you note that the left upper limb is rotated medially and that the infant is seemingly unable to move the limb at the shoulder. Finger movements of the ipsilateral limb indicate that distal muscles are functional. From this, you conclude CORRECTLY that an injury has occurred at birth to the. lower trunk of the brachial plexus B. axillary nerve xxC. upper trunk of the brachial plexus D. musculocutaneous nerve E. C7 ventral primary ramus She had suffered a severe knife wound to the upper lateral portion of her pectoral region, with entry of the knife at the deltopectoral groove. Pressure applied to the wound had prevented further profuse bleeding. In the Emergency Department, vascular clamps were applied to the axillary artery, proximal and distal to the site of injury which had occurred between the second and third parts of the axillary artery. The vascular surgeon knew that he would have adequate time to repair the wound of the artery because of the rich collateral pathway provided by the anastomoses between the ... xxA. B. C. D. E. suprascapular and circumflex scapular arteries supreme (superior) thoracic and thoracoacromial transverse cervical and suprascapular arteries posterior humeral circumflex and profunda brachii arteries lateral thoracic and suprascapular arteries 78. Following an infection in the left hallus, (big toe), a patient developed pain in the left groin. Likely reason for the pain is: A. xxB. C. D. E. 76. 74. Following a fracture of the neck of the fibula, a patient noticed that he could dorsiflex but not evert his foot. Which of the following nerves was injured? xxA. The superficial peroneal (fibular) B. The common peroneal (fibular) nerve C. The deep peroneal (fibular) nerve D. The sural nerve E. Tibial nerve A policeman was stabbed in the antero-medial third of the left thigh. At exploration, the knife was found to pass through the middle of the sartorius into the adductor canal. Which of the following is likely to be entered first in the path of the knife? xxA. B. C. D. E. 75. Ulnar nerve Anterior interosseous nerve Median nerve Superficial radial nerve Radial nerve An example of a nerve innervating a group of related muscles is: A. B. C. D. xxE. 73. The femoral artery The profunda femoris artery The profunda femoris vein The femoral vein The popliteal artery Inability to hold a piece of paper between the second and third digits would result from damage to the: xxA. B. C. D. E. 72. Referral of pain via the obturator nerve Lymphatic spread from the leg Referral of pain via the femoral nerve Referral of pain via the saphenous nerve Venous spread from the leg Obturator nerve to obturator internus and obturator externus Femoral nerve to adductors of thigh Sciatic nerve to gluteal muscle Superior gluteal nerve to lateral rotators of hip Tibial nerve to all intrinsic muscles on sole of the foot If the entire greater tubercle of the humerus was broken away as a result of an injury, which of the following movements of the humerus would be affected? A. B. Extension and medial rotation Flexion and abduction xxC. Abduction and lateral rotation D. Flexion and medial rotation E. Flexion, abduction and adduction 69. A patient presents with an arrow embedded in the carotid triangle. Which of the following is NOT LIKELY to be involved? xxA. B. C. D. E. 70. Which of the following muscles would NOT be affected by compression of the median nerve in the carpal tunnel? A. B. C. D. xxE. 71. Digital branch of the median nerve Superficial branch of the radial nerve Digital branch of the ulnar nerve Digital branch of the radial nerve Anterior interosseous branch of the median nerve A 10-year-old boy is playing at a construction site when he falls backward onto a nail protruding from a piece of wood which pierces into the medial half of his right gluteal region. In the Emergency Department he is found to have intact thigh extension, knee flexion, and foot movement, but when he tries to walk his hip collapses toward the left side when he takes a step with his left leg. What nerve was damaged? A. B. C. xxD. E. 60. Abductor pollicis brevis Second lumbrical Opponens pollicis Flexor pollicis brevis Adductor pollicis A large splinter, deeply embedded adjacent to the nail on the medial side of the ring finger develops into an abscess. Prior to lancing to remove the fragment and drain the abscess, the surgeon blocked with anesthetic the appropriate: A. B. xxC. D. E. 57. Brachial plexus Cervical sympathetic trunk Internal jugular vein Vagus nerve Carotid arteries Superior cluneal nerve Inferior gluteal nerve Sciatic nerve Superior gluteal nerve Inferior cluneal nerve A 32-year-old man fell from his motorbike and received a hard blow to the lateral side of the upper part of his leg. He complains of numbness and tingling along the lower anterolateral surface of his leg and the dorsum of his foot. X-ray reveals a fracture of the neck of the fibula. Physical examination shows that he is unable to dorsiflex his foot. Which nerve is MOST LIKELY to be injured by a fracture of the neck of the fibula? A. B. C. D. xxE. 54. 51. A football player had been hit hard on the lateral side of his knee, with the ipsilateral foot planted on the ground and bearing his full weight, resulting in tearing of three structures in the joint. The "anterior drawer sign" was present upon examination. The structures injured would therefore MOST LIKELY include the: A. Fibular collateral and posterior cruciate ligaments xxB. Medial collateral and anterior cruciate ligaments C. Posterior cruciate ligament and lateral meniscus D. Lateral meniscus and fibular collateral ligament E. Ligamentum patellae A convenient site for insertion of an intravenous line in the great saphenous vein is: xxA. B. C. D. E. 52. 49. Tibial nerve Lateral sural nerve Deep fibular (peroneal) nerve Saphenous nerve Common fibular (peroneal) nerve Anterior to the medial malleolus Inferior to the inguinal ligament Posterior to the lateral malleolus Medial to the popliteal vein Dorsal venous arch of foot A patient presented with swelling of the entire left lower limb due to venous occlusion. The pelvic viscera remained normally drained. Likely site of obstruction will be: xxA. External iliac vein B. Common iliac vein C. Popliteal vein D. Inferior vena cava E. Great saphenous vein A patient walks with a waddling gait that is characterized by the pelvis falling toward the side of the raised foot. Which of the following nerves is damaged? A. B. xxC. D. E. Obturator nerve Nerve to obturator internus Superior gluteal nerve Inferior gluteal nerve Femoral nerve 50. An industrial accident produced a fracture of the upper third of the shaft of the femur. The proximal fragment was abducted and laterally rotated. Which of the following muscles was NOT INVOLVED in producing the above? A. Piriformis B. Obturator internus xxC. Iliopsoas 46. D. Gluteus minimus E. Gluteus medius Which of the following is the CORRECT sequence from lateral to medial? A. B. C. D. xxE. 47. Following an infection in the left hallux, a patient developed pain in the left groin. Likely reason for the pain is A. B. C. xxD. E. 48. A. Femoral vein, femoral artery, femoral ring, femoral nerve Femoral artery, femoral ring, femoral vein, femoral nerve Femoral artery, femoral nerve, femoral vein, femoral ring Femoral ring, femoral vein, femoral artery, femoral nerve Femoral nerve, femoral artery, femoral vein, femoral ring referral of pain via the femoral nerve referral of pain via the saphenous nerve referral of pain via the obturator nerve lymphatic spread from the foot venous spread from the foot To avoid damaging the sciatic nerve during an intramuscular injection in the right gluteal region, the clinician should insert the needle in the area over the sacrospinous ligament B. midway between the ischial tuberosity and the lesser trochanter C. at the midpoint of the gemelli muscles D. Xx in the upper right outer quadrant of the gluteal region in the lower right quadrant of the gluteal region E. 45. A young mountain climber had fallen some distance before managing to grasp a safety line with one hand. The quick upward pull of the line on the weight of his body caused severe injury to the lower trunk of the brachial plexus. As a result of the lower trunk injury, one would CORRECTLY expect: xxA. Loss of function of the intrinsic muscles of the hand, with anesthesia along the medial aspect of his forearm and hand B. Loss of extension of the elbow and anesthesia on the dorsum of his arm and forearm C. Paralysis of the deltoid and the "SIT" group of muscles and anesthesia over the proximal, lateral side of the arm D. Inability to flex the elbow and anesthesia on the lateral side of the ventral surface of the forearm E. Paralysis of the serratus anterior and scapular winging, without sensory loss 42. A 50-year-old woman was recently diagnosed with carpal tunnel syndrome. Which of the following is LEAST LIKELY to be a predisposing factor in this condition? A. B. C. xxD. E. 43. Which of the following group of nerves is intimately related to a portion of the humerus and can be affected by fractures of the humerus? A. B. xxC. D. E. 44. pairs Dislocated lunate Thickened flexor retinaculum Tenosynovitis of long flexor tendons Compression of ulnar nerve Paresthesia or lack of sensation over thenar eminence Axillary, musculocutaneous, radial Axillary, median, ulnar Axillary, radial, ulnar Axillarv, median, musculocutaneous Median, radial, ulnar Inability to supinate the forearm could result from an injury to which of the following of nerves? A. Suprascapular and axillary B. Musculocutaneous and median C. Axillary and radial xxD. Radial and musculocutaneous E. Median and ulnar 41. A 21-year-old football player is referred to an orthopedic surgeon because of a fracture of the surgical neck of the humerus. Surgery reveals a hematoma that resulted from an artery that was torn by a bone fragment. This artery is MOST LIKELY the: A. B. C. D. xxE. 57. A 10-year-old boy is playing at a construction site when he falls backward onto a nail protruding from a piece of wood which pierces into the medial half of his right gluteal region. In the Emergency Department he is found to have intact thigh extension, knee flexion, and foot movement, but when he tries to walk his hip collapses toward the left side when he takes a step with his left leg. What nerve was damaged? A. B. C. xxD. 77. The inferior hemorrhoidal (rectal) nerves The superior hypogastric nerve The inferior hypogastric nerve The pelvic splanchnic nerve The vagus nerve Following an infection in the left hallus, (big toe), a patient developed pain in the left groin. Likely reason for the pain is: A. xxB. C. D. E. 76. Superior cluneal nerve Inferior gluteal nerve Sciatic nerve Superior gluteal nerve A tourist accidentally swallowed a bone while eating and the bone eventually got impacted in the anal canal below the dentate line. He suffered severe pain from this impaction. The pain experienced is mediated via: xxA. B. C. D. E. 78. Radial Axillary Brachial Profunda brachii (deep brachial) Posterior humeral circumflex Referral of pain via the obturator nerve Lymphatic spread from the leg Referral of pain via the femoral nerve Referral of pain via the saphenous nerve Venous spread from the leg Following a fracture of the neck of the fibula, a patient noticed that he could dorsiflex but not evert his foot. Which of the following nerves was injured? xxA. The superficial peroneal (fibular) B. The common peroneal (fibular) nerve 74. C. The deep peroneal (fibular) nerve D. The sural nerve E. Tibial nerve A policeman was stabbed in the antero-medial third of the left thigh. At exploration, the knife was found to pass through the middle of the sartorius into the adductor canal. Which of the following is likely to be entered first in the path of the knife? xxA. B. C. D. E. 75. Inability to hold a piece of paper between the second and third digits would result from damage to the: xxA. B. C. D. E. 73. 71. The femoral artery The profunda femoris artery The profunda femoris vein The femoral vein The popliteal artery Ulnar nerve Anterior interosseous nerve Median nerve Superficial radial nerve Radial nerve If the entire greater tubercle of the humerus was broken away as a result of an injury, which of the following movements of the humerus would be affected? A. Extension and medial rotation B. Flexion and abduction xxC. Abduction and lateral rotation D. Flexion and medial rotation E. Flexion, abduction and adduction A large splinter, deeply embedded adjacent to the nail on the medial side of the ring finger develops into an abscess. Prior to lancing to remove the fragment and drain the abscess, the surgeon blocked with anesthetic the appropriate: A. B. xxC. D. E. Digital branch of the median nerve Superficial branch of the radial nerve Digital branch of the ulnar nerve Digital branch of the radial nerve Anterior interosseous branch of the median nerve SEMESTER TWO B 72. MINI THREE APRIL 9, 2002 An example of a nerve innervating a group of related muscles is: Form A. B. C. D. xxE. 70. Obturator nerve to obturator internus and obturator externus Femoral nerve to adductors of thigh Sciatic nerve to gluteal muscle Superior gluteal nerve to lateral rotators of hip Tibial nerve to all intrinsic muscles on sole of the foot Which of the following muscles would NOT be affected by compression of the median nerve in the carpal tunnel? A. B. C. D. xxE. Abductor pollicis brevis Second lumbrical Opponens pollicis Flexor pollicis brevis Adductor pollicis