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Back
The motor nerve supply to the four muscles in the suboccipital triangle
emerges:
A. from a foramen in the occipital bone.
B. between the occipital bone and the atlas.
C. between the atlas and the axis.
D. between the axis and C3.
E. between C3 and C4.
A lesion of a dorsal primary ramus could affect all of the following muscles
EXCEPT the
A. iliocostalis.
B. external intercostal.
C. semispinalis.
D. obliquus capitis inferior.
E. splenius.
The unique feature of the 1st cervical vertebra is that it has no
All of the following components of the 7th thoracic nerve contain autonomic fibers
EXCEPT the
A. superior articular facet.
B. transverse foramen.
C. body.
D. transverse processes.
E. posterior tubercles.
A. ventral root.
B. ventral primary ramus.
C. dorsal root.
D. dorsal primary ramus.
E. white ramus communicans.
The arachnoid layer of the meninges
The back muscle which contributes to the two triangles of the back (lumbar and
auscultation) is the
A. extends laterally as the denticulate ligament.
B. is a thick, heavy layer of connective tissue.
C. extends caudally as the filum terminale.
D. extends to vertebral level S-2.
E. is separated from the dura mater by cerebrospinal fluid.
A. trapezius.
B. splenius capitis muscle.
C. latissimus dorsi muscle.
D. serratus anterior muscle.
E. iliocostalis.
A patient's inability to raise the right arm above a horizontal plane could
indicate a deficit in the
A ligament which forms a portion of the anterior wall of the vertebral canal is the
A. thoracodorsal nerve.
B. levator scapulae muscle.
C. dorsal scapular nerve.
D. spinal accessory nerve.
E. dorsal rami of C5-7.
A. interspinous.
B. anterior longitudinal.
C. posterior longitudinal.
D. ligamentum flavum.
E. supraspinous.
The subarachnoid space of the lumbar cistern in the adult ends at vertebral
levels
The greater occipital nerve
A. L-1
B. L-3
C. L-4
D. L-5
E. S-2
A. has sensory and motor fibers.
B. passes inferior to the inferior oblique muscle.
C. has no sensory fibers.
D. areises from the ventral ramus of C-2.
E. pierces the semispinalis cervicis muscle before becoming cutaneous.
Parasympathetic nerve fibers
A unique feature of the atlas (1st cervical vertebra) is that it has no
A. superior articular facet.
B. transverse foramen (foramen transversarium).
C. body.
D. transverse processes.
E. posterior tubercle.
A. function primarily in emergencies.
B. arise from the ventral horn of the spinal cord.
C. have postganglionic nerve cell bodies located in dorsal root ganglion.
D. have preganglionic fibers that traverse the white rami communicantes.
E. have preganglionic cell bodies in the brain stem.
A specialization of the spinal pia mater includes the
Each of the following muscles attaches to a part of an upper thoracic vertebra
(T3 or T4) EXCEPT the
A. semispinalis.
B. trapezius.
C. long rotators.
D. levator scapulae.
E. rhomboideus major.
A. coccygeal ligament.
B. ligamentum flavum.
C. dentculate ligaments.
D. anterior longitudinal ligament.
E. cauda equina.
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Back
Which of the following nerves is composed of fibers that originate from dorsal
rami?
A. Thoracodorsal nerve
B. Greater occipital nerve
C. Spinal accessory nerve
D. Dorsal scapular nerve
E. Medial pectoral nerve
At a tennis tournament in Germany, Monica Seles was stabbed in the back just
medial to the base of the spine of the scapula. Structures which could have
been damaged include all the following EXCEPT the
A. latissimus dorsi muscle.
B. serratus posterior superior muscle.
C. lognissimus muscle.
D. Trapezius muscle.
E. rhomboideus muscle.
A 35-year-old male came into the emergency room with a bullet that passed
through his left nipple and lodged in his lung. The bullet passed through all of
the following structures EXCEPT the
A. 4th intercostal sapce.
B. pectoralis major muscle.
C. external intercostal muscle.
D. internal intercostal membrane.
During a hunting accident, a man was wounded by a shotgun. A pellet lodged
in his neck and injured a nerve as it travels between the posterior arch of the
atlas and the posterior area of the occiptal bone. This nerve lesion could result
in
A. paralysis of the first intercostal muscle.
B. loss of cutaneous sensation to the posterior part of the scalp.
C. paralysis of the rectus capitus posterior major muscle.
D. loss of cutaneous sensation to the posteriorpart of the neck.
E. paralysis of the longissimus cervicis muscle.
During a surgical procedure to relieve pain, a neurosurgeon implanted a
device along the surface of the left side of the spinal cord. To place the device
along the dorsal surface of the L2 level of the spinal cord, she made an
incision in the skin
A. at the level of the L2 vertebra.
B. above the level of the L2 vertebra.
C. below the level of the L2 vetebra.
During surgery to remove a large bone tumor (sarcoma) fromthe head and
neck of the 3rd rib, the surgeon was forced to cut the ventralprimary rami of
the 2nd, 3rd, and 4th thoracic nerves. After the surgery, the patient probably
had
A. paralysis of a portion of the longissimus thoracic muscle.
B. paralysis of the trapezius muscle.
C. lossof the perception of temperature of the skin covering the semispinalis
cervicis muscle.
D. loss ofthe perception of pain of the skin covering most ofthe 3rd intercostal
interspace.
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A tumor that grows within anintervertebral foramen in the thoracic part of the
vertebral column would MOST LIKELY compress
A. the anterior spinal artery.
B. the posterior spinal artery.
C. a dorsal root ganglion.
D. a gray ramus communicantes.
E. a white ramus communicantes.
A patient comes to see you complaining of back pain when she adducts or extends
her right arm. During your physical examination of her back you palpate the
latissismus dorsi muscle and remind yourself that all the following statements about
this muscle are correct EXCEPT that it is
A. a medial rotator of the arm.
B. innervated by the thoracodorsal nerve.
C. attached to the intertubercular groove of the humerus.
D. deep to the serratus posterior inferior muscle.
E. superficial to the transversospinalis group fo muscles
During a physical examination of the spin and extremities, your patient complains of
tenderness as your palpate the skin over his upper thoracic spinous processes. This
tenderness may be the result of inflammation of the attachments of all the following
muscles EXCEPT the
A. semispinalis.
B. trapezius.
C. long rotators.
D. levator scapulae.
E. rhomboid major.
A structure most likely to be compressed by a tumor in the suboccipital triangle is
the
A. vertebral artery.
B. lesser occipital nerve.
C. spinal accessory nerve.
D. occipital artery.
E. thoracodorsal nerve.
The radiologist diagnosed from X-rays that a patient had lordosis of the vertebral
column. This condition is characterized by an increased curvature of the vertebral
column that is
A. convex posteriorly.
B. convex anteriorly.
C. convex to the side.
D. concave laterally.
E. concave anteriorly.
A needle used to inject materials into the lumbar cistern pierces the skin of a patient
inferior to the spinous process of L-4. The needle would penetrate all of the
following structures EXCEPT the
A. interspinous ligament.
B. dura mater.
C. supraspinous ligament.
D. arachnoid membrane.
E. posterior longitudinal ligament.