Download SA04su4A

Systemic Anatomy Exam IV
Prepared especially for the trimester one class, Summer 2004
Please place the single best answer in the space provided (unless designated by the letters MACA, which in this
case mark all correct answers that apply) on your scantron sheet. The faculty will not answer any of your
questions (unless you find a typo) once the exam begins, as interpretation of the question is a part of the
examination. Good luck.
FORM A
1) If I handed you a vertebra and I asked you to identify it as T12. Which of the following features would be present
for it to be T12? (MACA)
a) no transverse costal facet
b) presence of a transverse costal facet on each side
c) single whole facet on side of body
d) two demifacet present on each side of body
e) inferior articular facets face laterally
2) Which of the following muscles does the tibial division of the sciatic nerve innervate? (MACA)
a) biceps femoris muscle, long head
b) biceps femoris muscle, short head
c) semitendinosus muscle
d) semimembranosus muscle
e) adductor magnus muscle
3) Spasm of the pronator teres muscle will compress which of the following nerves leading to symptoms vary similar
to carpal tunnel syndrome.
a) musculocutaneous nerve
b) radial nerve
c) median nerve
d) ulnar nerve
e) axillary nerve
For the next group of questions please place the spinal nerve root(s) that form the peripheral nerve derived from the
cervical plexus that innervates the area in question. Each answer may be used more than once or not at all and each
question may have multiple answers. (MACA)
4) motor to the omohyoid m.
5) innervates the skin superior to the clavicle
6) crosses on a horizontal plane across the
mid belly of the stemodeidomastoid m.
7) innervates the skin of the ear lobe
8) GSE to the diaphragm muscle
a) Cl
b) C2
c) C3
d) C4
e) C5
Page 1, SA Exam IV, Q. # 1-8
For the next group of questions please place the spinal nerve that corresponds to the pathology in question. Eacft.
answer may be used more than once or not at all and each question may have multiple answers. (MACA)
a) axillary
b) musculocutaneous
c) radial
d) median
e) ulnar
9) severing this nerve would result in an inability to extend digits 2, 3,4 & 5.
10) severing this nerve would drastically hinder abduction of the humerus beyond 20 degrees.
11) severing these nerves would prevent flexion of the elbow joint.
12) severing these nerves would prevent flexion of digits j 2,3,4 & 5
13) severing these nerves would prevent adduction of the hand at the carpus.
14) A patient is presented to your clinic that was struck by a car while riding his bicycle. It is a referral from a
colleague down the street and he told your receptionist that the patient had damage which severed the common
peroneal nerve as it crosses over the head of the fibula. Which of the following signs would you NOT expect to find
in this patient? (MACA)
a) inability to flex the knee
b) inability to dorsiflex the foot
c) inability to plantar flex the foot
d) inability to evert the foot
e) inability to invert the foot
15) Choose the INCORRECT statement with regards to the brachial plexus.
a) anterior division of brachial plexus trunks innervate muscles that are flexors
b) cords of brachial plexus are named according to their relationship to the axillary artery
c) the brachial plexus is derived from dorsal rami of C5, 6, 7, 8 and Tl
d) the posterior cord is formed by the posterior divisions of all three trunks
e) the suprascapular nerve arises directly off of the superior trunk
16) A patient presents to your clinic with a burning pins and needles sensation in the lateral palmar aspect of the hand
and fingers. During your exam you notice that they can not feel pain when you prick the skin over the thenar
eminence with your pin wheel. What is your diagnosis?
a) ulnar nerve paralysis
b) carpal tunnel syndrome
c) Erb Duchenne palsy
d) pronator teres syndrome
e) Klumpke's palsy
17) Inferior to ___ the ___ branch of the dorsal rami spinal nerve innervates the skin of the back.
a) T12, medial
b) T12, lateral
c) T6, medial
d) T6, lateral
Page 2, SA Exam IV, Q. # 9-17
18) What branch of the spinal nerve supplies GSE, GSA and sympathetic fibers to the anterior and lateral
muscles and skin of the neck, trunk and all muscles and skin of the limbs?
a) medial branch of the dorsal ramus
b) lateral branch of the dorsal ramus
c) ventral ramus
d) rami communicantes
e) recurrent meningeal
For the next group of questions please choose the spinal nerve roots that contribute to the formation of the peripheral
nerves that innervate the structures in question. Each answer may be used once, more than once or not at all and each
question may have multiple answers. (MACA)
19) innervates the skin of the lateral and anterior thigh
a) LI
20) this nerve is found traveling vertically down the belly of the
psoas major muscle
b) L2
c)L3
21) this nerve innervates the gracilis m.
d)L4
22) innervates the skin of the superior medial thigh (hands in pockets)
e)L5
23) severing this nerve would prevent extension of the knee joint
24) If a patient has had her sciatic nerve severed as it exits below the piriformis muscle, could she still flex the
knee? If yes, then via what innervation? (if you think this question should be MACA, then mark it as such)
a) no
b) yes, femoral nerve
c) yes, obturator nerve
d) yes, common peroneal nerve
e) yes, tibial nerve
For the next group of questions please place the spinal nerve roots that contribute to the formation of the spinal
nerves in question. Each answer may be used more than once or not at all and each question may have multiple
answers. (MACA)
25) forms medial cord of brachial plexus
a) C5
26) innervates the rhomboid mm.
b) C6
27) innervates the lateral rotators of the humerus
c) C7
28) innervates the coracobrachialis m.
d) C8
29) forms the posterior cord of the brachial plexus
e) Tl
30) forms lateral cord of the brachial plexus
31) severing this nerve results in winged scapula
32) damage to these nerve roots result in Klumpke's palsy
33) innervates the deltoid m.
Page 3, SA Exam IV, Q.# 18-33
34) Choose the INCORRECT statement.
a) there are 24 pair of cranial nerves
b) spinal nerves are part of the peripheral nervous system
c) cranial nerves are part of the peripheral nervous system
d) Neuroglial cells are supportive cells of the CNS and PNS
e) to detect stimuli there must be the appropriate receptors
35) Choose the INCORRECT statement.
a) a ganglion is a collection of neuron cell bodies outside of the CNS
b) the soma of a neuron is also called the cell body
c) dendrite of motor neurons are efferent in relationship to the cell body
d) axons transmit information in one direction
e) oligodendrocytes produce the myelin sheath found in the CNS
36) Choose the INCORRECT match.
a) GSE - contraction of biceps brachii m.
b) SSA - found in cranial nerve VIII
c) GVE - contraction of the smooth muscle of the bladder
d) GS A - pseudounipolar neurons
e) SSE - special efferent information to structures of the head
37) Choose the INCORRECT statement.
a) before a nerve fiber can respond to a stimulus it must be polarized
b) the transmission of an impulse along a nerve fiber is called conductivity
c) the sodium potassium pump is responsible for pumping sodium out of the cell after depolarization
d) the internal voltage at which the cell will depolarize is called threshold
e) typically the outside of a polarized neuron is negative with relation to the inside of the cell
38)Which of the following .muscles. DO NOT attach to the mastoid process of the temporal bone?
a) digastricus m.
b) longissimus capitis m.
c) splenius capitis m.
d) semispinalis capitis m.
e) sternocleidomastoid m:
39) Which of the following connective tissue structures attach to the occipital bone? (MACA)
a) apical ligament
b) tectorial membrane
c) alar ligaments
d) cranial crus of the cruciform ligament
e) anterior atlanto-occipital membrane
40) Which of the following classifications apply to the joint present between two adjacent vertebral bodies?
(MACA)
a) amphiarthrosis
b) symphysis
c) synchondrosis
d) multiaxial
e) secondary cartilaginous
Page 4, SA Exam IV, Q.# 34-40
41) Which of the following muscles will protract the scapula? (MACA)
a) latissimus dorsi m.
b) trapezius m.
c) serratus anterior m.
d) pectoralis minor m.
e) rhomboid mm.
42) Which of the following muscles will NOT flex the humerus at the shoulder joint? (MACA)
a) coracobrachialis m.
b) latissimus dorsi m.
c) triceps brachii m., long head
d) pectoralis major m.
e) teres major m.
43) From superior to inferior list hi order the muscles that attach to the vertebral border of the scapula.
1) teres minor m.
5) trapezius m.
2) teres major m.
6) rhomboid minor m.
3) levator scapulae m.
7) latissimus dorsi m.
4) rhomboid major m.
8) triceps brachii nx, long head
a) 8,5,4,6,7
b) 3,6,4,2,7
c) 8,1,2,7
d) 8,4,6,1,7
e)3,5,6,4,l
44) The radial nerve innervates muscles that ______. (MACA)
a) flex the arm
b) extend the arm
c) extend the elbow
d) flex the elbow
e) supmate the forearm
45) Which one of the following muscles will NOT flex the knee joint?
a) sartorius m.
b) soleusm.
c) gastrocnemius m.
d) semitendinosus m.
e) biceps femoris m.
46) Which of the following muscles will NOT plantar flex the foot? (MACA)
a) gastrocnemius m.
b) peroneus longus m.
c) tibialis anterior m.
d) soleus m.
e) peroneus tertius m.
Page 5, SA Exam IV, QJ 41-46
47) Which of the following nerves innervate muscles that plantar flex the foot? (MACA)
a) superficial peroneal nerve
b) obturator nerve
c) femoral nerve
d) tibial nerve
e) deep peroneal nerve
48) Which one of the following muscles extend the knee joint?
a) biceps femoris m.
b) gracilis m.
c) quadriceps femoris m.
d) piriformis m.
e) tibialis anterior m.
49) Choose the INCORRECT match.
a) enuresis - bed wetting
b) juxtaspinal - inside of the spinal column
c) melena - bar tarry stool
d) taxis - movement
e) jaundice - a yellow discoloration to the tissues
50) Choose the INCORRECT match,
a) dystocia - difficult labor
b) iatrogenic - of unknown origin
c) hypoxemia - decreased oxygen levels in the blood stream
d) heliotherapy - sun therapy
e) empirical - by trial and error
Page 6, SAExam IV, Q.# 47-50
The end of exam 4; Grades will be email to you by the close of the day today.
Answers SA04su4a
1. A,C,E
2. A,C,D,E
3. C
4. A,B,C
5. C,D
6. B,C
7. B,C
8. C,D,E
9. C
10. A
11. B,C,D
12. D,E
13. C,E
14. A,C,E
15. C
16. D
17. D
18. C
19. B,C (LATERAL CUTANEUS FEMORAL)
20. A,B (GENITOFEMORAL)
21. B,C,D (OBTURATOR)
22. A (ILIOINGUINAL)
23. B,C,D (FEMORAL)
24. B,C
25. D,E
26. A
27. A,B
28. A,B,C (MUSCULOCUTANEUS)
29. A,B,C,D,E
30. A,B,C
31. A,B,C (LONG THORACIC)
32. D,E (ULNAR)
33. A,B (AXILLARY)
34. A (12 CRANIAL NERVES)
35. C (AFFERENT)
36. E
37. E (POSITIVE)
38. D
39. A,B,C,D,E
40. A,B,E
41. C,D
42. B,C,E
43. B
44. B,C,D,E
45. B
46. C,E
47. A,D
48. C
49. B
50. B (CAUSED BY DOCTOR)