Frequently Asked Nero Anatomy Quiz Type Questions And Answers

51. Signs of upper-motor-neuron lesions include–
1. Babinski's sign
2. hypoactive deep tendon reflexes and hyporeflexia
3. spastic paralysis
4. severe muscle atrophy
One or more answers may be correct. Select–
A. if 1, 2, and 3 are correct
B. if 1 and 3 are correct
C. if 2 and 4 are correct
D. if only 4 is correct
E. if all are correct
The answer is B.

52. Hemiplegia and sensory deficit on the right side of the body may be caused by infarction in the territory of the–
A. left middle cerebral artery
B. right anterior cerebral artery
C. left posterior cerebral artery
D. left superior cerebellar artery
E. anterior communicating artery
The answer is A.

53. The efferent axons of the cerebellar cortex arise from–
A. Golgi cells
B. vestigial nucleus cells
C. granule cells
D. Purkinje cells
E. pyramidal cells
The answer is D.

54. Structures in the ventromedial regions of the medulla receive their blood supply from the–
A. posterior spinal and superior cerebellar arteries
B. vertebral and anterior spinal arteries
C. posterior spinal and posterior cerebral arteries
D. posterior spinal and posterior inferior cerebellar arteries
E. posterior and anterior inferior cerebellar arteries
The answer is B.

55. A neurologic syndrome is characterized by loss of pain and thermosensitivity on the left side of the face and on the right side of the body from the neck down; partial paralysis of the soft palate, larynx, and pharynx on the left side; ataxia on the left side; and hiccuping. This syndrome could be expected from infarction in the territory of the–
A. basilar artery
B. right posterior inferior cerebellar artery
C. left posterior inferior cerebellar artery
D. right superior cerebellar artery
E. left superior cerebellar artery
The answer is C.

56. A lesion in the nucleus of cranial nerve IV would produce a deficit in the–
A. upward gaze of the ipsilateral eye
B. upward gaze of the contralateral eye
C. downward gaze of the contralateral eye
D. downward gaze of the ipsilateral eye
The answer is D.

57. Within the internal capsule, descending motor fibers for the face–
A. are located in front of fibers for the arm, in the anterior part of the anterior limb
B. are located posterior to the fibers for the leg, in the posterior half of the posterior limb
C. are located in front of the fibers for the arm, in the anterior part of the posterior limb
D. travel within the corticovestibular tract
E. synapse in the capsular nucleus
The answer is C.

58. If the oculomotor nerve (III) is sectioned, each of the following may result except for–
A. partial ptosis
B. abduction of the eyeball
C. dilation of the pupil
D. impairment of lacrimal secretion
E. paralysis of the ciliary muscle
The answer is D.

59. Sensory input for taste is carried by–
A. the vestibulocochlear (VIII) nerve
B. the facial (VII) nerve for the entire tongue
C. the facial (VII) and glossopharyngeal (IX) nerves for the anterior two thirds and posterior one third of the tongue, respectively
D. the glossopharyngeal (IX) and vagus (X) nerves for the anterior two thirds and posterior one third of the tongue, respectively
The answer is C.

60. In central facial paralysis resulting from damage of the facial (VII) nucleus there is–
A. paralysis of all ipsilateral facial muscles
B. paralysis of all contralateral facial muscles
C. paralysis of ipsilateral facial muscles except the buccinator
D. paralysis of all contralateral muscles except the buccinator
E. paralysis of contralateral facial muscles except the frontalis and orbicularis occuli
The answer is E.

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