2.NMC-Anatomy-Week-02 (21-09-2014)

Narayana Medical PG Coaching - Week-02 Test (14-09-2014) Anatomy (Neuroanatomy) 1. Which one of the following structures is found in the diencephalon? A. Thalamus B. Cerebral hemispheres C. Globus pallidus D. Caudate nucleus E. Internal capsule

7. Which part of the ventricular system contains choroid plexus? A. Frontal horn B. Occipital horn C. Cerebral aqueduct D. Third ventricle E. Terminal ventricle

2. The hippocampal formation is part of the A. Frontal lobe B. Parietal lobe C. Insular lobe D. Limbic lobe E. Occipital lobe

8. Which one of the following circumventricular organs is solely innervated by postganglionic fibers from thesuperior cervical ganglion of the ANS? A. Area postrema B. Pineal body C. Organumvasculosum of the lamina terminalis D. Subfornical organ E. Subcommissural organ

3. Which one of the cranial nerves exits the brainstem from the dorsal aspect? A. CN I B. CN II C. CN III D. CN IV E. CN VI

9. Choose the normal quantity of CSF daily production. A. 300 ml B. 400 ml C. 500 ml D. 600 ml E. 700 ml

4. Heschl'sgyrus receives input from which of the following neural structures? A. Angular gyrus B. Medial geniculate nucleus C. Primary auditory cortex D. Sensory strip E. Supramarginalgyrus

10. A 50-year-old hypertensive woman complains of numbness and weakness in her left leg and foot. Occlusion ofwhich of the following vessels may account for this complaint? A. Anterior choroidal artery B. Anterior cerebral artery C. Interior carotid artery D. Middle cerebral artery E. Posterior artery

5. A 25-year-old housewife complains of headaches of 4 months' duration. She is obese and has bilateralpapilledema, and her vision is deteriorating. Her opening CSF pressure is elevated; other CSF findings arenormal. CT and magnetic resonance imaging (MRI) scans are normal. These signs are due to impairment of csfegress. Obstruction at which of the following loci is most likely? A. Arachnoid villi B. Cerebral aqueduct C. Foramen of Luschka D. Foramen of Magendie E. Foramen of Monro

11. A 15-year-old boy is hit on the temple with a baseball and becomes unconscious. After about 10 minutes, heregains consciousness, but he soon becomes lethargic, and over the next 2 hours, he becomes stuporous. Hispupils are unequal. Intracranial hemorrhage is suspected. Which of the following vessels is most likely to be thesource of the hemorrhage? A. Anterior cerebral artery B. Anterior communicating artery C. Basilar artery D. Middle cerebral artery E. Middle meningeal artery

6. The total volume of CSF found in the subarachnoid space and cerebral ventricles is A. 110 ml B. 140 ml C. 160 ml D. 170 ml E. 190 ml

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Narayana Medical PG Coaching - Week-02 Test (14-09-2014) Anatomy (Neuroanatomy) 12. Which artery supplies the caudate and putamen and anterior limb of the internal capsule via the medialstriate artery of Heubner? A. Middle cerebral B. Anterior communicating C. Anterior cerebral D. Anterior choroidal E. Posterior communicating

C. Gray communicating D. Ventral primary E. Meningeal 18. The ability to recognize an unseen familiar object placed in the hand depends on the integrity of whichpathway? A. Spinospinal tract B. Dorsal column C. Dorsal spinocerebellar tract D. Spino-olivary tract E. Spinothalamic tract

13. Which artery supplies the cochlea? A. Pontine B. Labyrinthine C. Superior cerebellar D. Posterior cerebral E. Anterior inferior cerebellar

19. The spinal tract involved with the control of trunk muscles is the A. Cuneocerebellar B. Vestibulospinal C. Ventral corticospinal D. Lateral corticospinal E. Ventral spinocerebellar

14. Which sinus drains the superior surface of the cerebellum? A. Straight B. Inferior sagittal C. Inferior petrosal D. Sigmoid E. Sphenoparietal

20. The sensation produced by a wisp of cotton on one's fingertip is mediated by the A. Cuneocerebellar tract B. Dorsal column–medial lemniscus pathway C. Ventral spinocerebellar tract D. Ventral corticospinal tract E. Ventral spinothalamic tract

15. A 40-year-old female graduate student had an excruciating headache. When she looked in the mirror, shenoticed that her eyelid was drooping; when she lifted the eyelid, she saw that her eyeball was looking down andout and her pupil was huge. She complained of both blurred and double vision. An MRA scan showed ananeurysm of the circle of Willis. Which artery gives rise to the offending aneurysm? A. Heubner's B. Anterior communicatingp.56 C. Posterior communicating D. Charcot-Bouchard's E. Anterior choroidal

21. First-order neurons of the ventral spinocerebellar tract A. Are found in dorsal root ganglia at all levels B. Provide the afferent limb for muscle stretch reflexes C. Project axons into the medial root entry zone D. Give rise to the fasciculus cuneatus E. Project axons via the tract of Lissauer 22. Acute-stage upper motor neuron lesions result in A. Hypertonia B. Spastic paresis C. Flaccid paralysis D. Extensor toe response E. Clonus

16. The spinal cord of a newborn baby terminates at A. VL1 B. VL3 C. VS1 D. VS3 E. VS5

23. Transection of the lateral spinothalamic tract results in A. Loss of pain and temperature sensation B. Complete flaccid paralysisp.130 C. Spastic paresis D. Cerebellar incoordination E. Areflexia

17. Which spinal nerve rami contain unmyelinated postganglionic sympathetic nerve fibers? A. White communicating B. Dorsal primary

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Narayana Medical PG Coaching - Week-02 Test (14-09-2014) Anatomy (Neuroanatomy) B. Ventral anterior, ventral lateral, and anterior nuclei C. Ventral lateral, lateral dorsal, and lateral posterior nuclei D. Mediodorsal, VPL, and VPM nuclei E. Centromedian, lateral dorsal, and lateral ventral nuclei

24. A 40-year-old female librarian is brought to the emergency department. Neurologic examination reveals the following: blood pressure 160/90 mm Hg, numbness on the right side of her lower face, no weakness in upper or lower extremities, tongue deviating to right side on protrusion, uvula deviating to the left side when patient says ah. The lesion causing these symptoms is found in which of the following loci? A. Anterior limb of internal capsule B. Genu of internal capsule, left side C. Claustrum D. Paracentral lobule, right side E. Posterior limb internal capsule

30. Tritiatedleucine [(3H)-leucine] is injected into the medial mamillary nucleus for anterogradetransport; radioactive label would be found in the A. Arcuate nucleus hypothalami B. Anterior nucleus thalami C. Ventral anterior nucleus thalami D. Dorsomedial nucleus thalami E. Supraoptic nucleus

25. The cerebral aqueduct is found in which part of the brain? A. Telencephalon B. Diencephalon C. Mesencephalon D. Metencephalon E. Myelencephalon

31. Infarction of what structure could give rise to left hypesthesia, left homonymous hemianopia, left facial weakness, tongue deviation to the left side, and plantar extensor on the left side? A. Left internal capsule B. Right internal capsule C. Left pulvinar D. Right pulvinar E. MGB

26. Which of the following thalamic nuclei has a motor function? A. Lateral dorsal nucleus B. Mediodorsal nucleus C. Ventral lateral nucleus D. Ventral posterior nucleus E. Lateral posterior nucleus

32. A capsular stroke is most commonly caused by occlusion of which of the following arteries? A. Anterior cerebral artery B. Recurrent artery of Heubner C. Lateral striate arteries D. Posterior communicating artery E. Direct branches of the internal carotid artery

27. Spinothalamic fibers project to which of the following thalamic nuclei? A. VPM nucleus B. Pulvinar C. Ventral anterior nucleus D. VPL nucleus E. Anterior nucleus

33. Postganglionic sympathetic cholinergic fibers innervate the A. Sweat glands B. Lacrimal gland C. Ductus deferens D. Trigone of the urinary bladder E. Detrusor muscle

28. Cerebellar fibers project to which of the following thalamic nuclei? A. VPM nucleus B. Lateral dorsal nucleus C. Lateral posterior nucleus D. Ventral lateral nucleus E. Anterior nucleus

34. Which of the following ganglia does not contain postganglionic parasympathetic neurons? A. Otic B. Celiac C. Pterygopalatine D. Submandibular E. Ciliary

29. The globuspallidus projects to which set of thalamic nuclei? A. Centromedian, ventral anterior, and ventral lateral nuclei

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Narayana Medical PG Coaching - Week-02 Test (14-09-2014) Anatomy (Neuroanatomy) 41. Wallerian degeneration involves: A. Chromatolysis. B. Only the CNS. C. Successive fragmentation of the axon. D. Swelling of the cell body. E. The proximal end of the axon. . 42. The spinal cord of a newborn baby terminates at: A. VL1. B. VL3. C. VS1. D. VS3. E. VS5.

35. Destruction of the ciliary ganglion results in which of the following deficits? A. Severe ptosis B. Loss of corneal reflex C. Loss of lacrimation D. Loss of direct pupillary reflex E. Miosis 36. At which vertebral level conusmedullarisfound at birth? A. B. C. D. E.

is

the

VT12 VL1 VL3 VS1 VS4

43. Which of the ismonosynaptic? A. Achilles B. Babinski C. Corneal D. Extensor plantar E. Pupillary light

37. Caudal herniation of the cerebellar tonsils and medulla through the foramen magnum is called A. Arnold–Chiari syndrome B. Cranium bifidum C. Dandy–Walker syndrome D. Down syndrome E. Myeloschisis

following

reflexes

44. The ability to recognize an unseen familiarobject placed in the hand depends on theintegrityof____. A. Posterior column B. Posterior spinocerebellar tract C. Spino-olivary tract D. Spinospinal tract E. Spinothalamic tract

38. A newborn has multiple congenital defectsowing to dysgenesis of the neural crest. Whichof the following cells is most likely to bespared? A. Geniculate ganglion cells B. Melanocytes C. Motor neurons D. Parafollicular cells E. Spinal ganglion cells

45. The sensation produced by a wisp of cottonon one’s fingertip is mediated by the: A. Anterior corticospinal tract. B. Anterior spinocerebellar tract. C. Anterior spinothalamic tract. D. Cuneocerebellar tract. E. Posterior column–medial lemniscuspathway.

39. A 10-year-old boy has severed his radialnerve. Which of the following cells plays a major role in axonal regrowth? A. Fibrous astrocytes B. Fibroblasts C. Oligodendrocytes D. Protoplasmic astrocytes E. Schwann cells

46. In which part of the brain is the cerebral aqueductfound? A. Diencephalon B. Mesencephalon C. Metencephalon D. Myelencephalon E. Telencephalon

40. Which of the following receptors initiates the MSR? A. End bulbs of Krause B. Merkel disks C. Muscle spindles D. Ruffini end bulbs E. Vater–Pacini corpuscles

47. Which cranial inanosmia? A. I B. II C. III

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nerve’s

damage

result

Narayana Medical PG Coaching - Week-02 Test (14-09-2014) Anatomy (Neuroanatomy) D. IV E. V 48. Which cranial nerve’s fibers are myelinatedby oligodendrocytes? A. I B. II C. III D. VII E. X 49. Which pair of the following cranial nervesis likely to show problems owing to absence oflacrimal reflex? A. II, V B. III, VII C. V, VII D. V, VIII E. VII, X 50. To which of the following thalamic nuclei dothe spinothalamic fibers project? A. Anterior nucleus B. Pulvinar C. Ventral anterior nucleus D. VPL nucleus E. VPM nucleus

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Narayana Medical PG Coaching - Week-02 Test (14-09-2014) Anatomy (Neuroanatomy) ANSWERS

31

B

Q. No

Ans

32

C

1

A

33

A

2

D

34

B

3

D

35

D

4

B

36

C

5

A

37

A

6

B

38

C

7

D

39

E

8

B

40

C

9

C

41

C

10

B

42

B

11

E

43

A

12

C

44

A

13

B

45

C

14

A

46

B

15

C

47

A

16

B

48

B

17

D

49

C

18

A

50

D

19

C

20

E

21

B

22

C

23

A

24

B

25

C

26

C

27

D

28

D

29

A

30

B

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