1 - 75 Flashcards

1
Q
1. connection of posterior columns to thalamus
A. dorsal longitudinal fasciculus 
B. lateral lemniscus 
C. medial lemniscus 
D. medial longitudinal fasciculus
A

B. lateral lemniscus

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2
Q
2. carries fibers involved with eye movements and has vestibular input
A. dorsal longitudinal fasciculus 
B. lateral lemniscus 
C. medial lemniscus 
D. medial longitudinal fasciculus
A

D. medial longitudinal fasciculus

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3
Q
3. a part of the auditory pathway 
A. dorsal longitudinal fasciculus 
B. lateral lemniscus 
C. medial lemniscus 
D. medial longitudinal fasciculus
A

B. lateral lemniscus

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4
Q
4. connects the periventricular hypothalamus and mammillary bodies to  the midbrain's central gray matter 
A. dorsal longitudinal fasciculus 
B. lateral lemniscus 
C. medial lemniscus 
D. medial longitudinal fasciculus
A

A. dorsal longitudinal fasciculus

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5
Q
  1. stimulation of caudal regions of the paramedian pontine reticular formation (PPRF) produces
    A. conjugate horizontal deviation of the eyes to the opposite side
    B. conjugate horizontal deviation of the eyes to the same side
    C. deviation of only the contralateral eye to the same side
    D. deviation of only the ipsilateral eye to the opposite side
    E. deviation of only the ipsilateral eye to the same side
A

B. conjugate horizontal deviation of the eyes to the same side

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6
Q
  1. stimulation of the caudal PPRF
    A. conjugate horizontal deviation to the opposite side
    B. conjugate horizontal deviation to the same side
    C. vertical eye movements
    D. none of the above
A

B. conjugate horizontal deviation to the same side

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7
Q
  1. stimulation of the rostral PPRF
    A. conjugate horizontal deviation to the opposite side
    B. conjugate horizontal deviation to the same side
    C. vertical eye movements
    D. none of the above
A

C. vertical eye movements

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8
Q
  1. stimulation of the superior colliculus
    A. conjugate horizontal deviation to the opposite side
    B. conjugate horizontal deviation to the same side
    C. vertical eye movements
    D. none of the above
A

A. conjugate horizontal deviation to the opposite side

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9
Q
  1. stimulation of the middle frontal gyrus
    A. conjugate horizontal deviation to the opposite side
    B. conjugate horizontal deviation to the same side
    C. vertical eye movements
    D. none of the above
A

A. conjugate horizontal deviation to the opposite side

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10
Q
  1. which of the following is true of the occipital eye field?
    A. It is localized to a relatively small area
    B. It subserves pursuit eye movements that are largely voluntary
    C. Lesions in this area are associated with transient deviation of the eyes away from the side of the lesion
    D. The threshold for excitation in this area is lower than in the frontal
    eye fields
    E. With lesions in this area, the patient can direct the eyes to a particular location on command.
A

E. with lesions in this area, the patient can direct the eyes to a particular location on command.

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11
Q
11. the intracranial dura is innervated by 
       I.   cranial nerve V 
       II.  upper cervical spinal nerves 
       III. cranial nerve X 
       IV. cranial nerve VII 
A. I, II, III 
B. I, III
C. II, IV 
D. IV 
E. all of the above
A

A. I, II, III

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12
Q
12. descending fibers of the medial longitudinal fasciculus (MLF) arise from all of the following structures except the 
A. inferior colliculus 
B. cajal's intersitial nucleus 
C. medial vestibular nucleus 
D. pontine reticular formation 
E. superior colliculus
A

A. inferior colliculus

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13
Q
13. which structure does not pass through the orbital tendinous ring  (zinn's anulus)? 
A. frontal nerve 
B. superior division of III 
C. abducens nerve 
D. nasociliary nerve 
E. inferior division  of III
A

A. frontal nerve

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14
Q
  1. all of the following can be seen in ulnar nerve entrapment at the wrist except
    A. motor deficits in the adductor pollicis
    B. motor deficits in the deep head of the flexor pollicis brevis
    C. motor deficits in the third and fourth lumbricals
    D. sensory deficits in the dorsum of the hand
    E. sensory deficits in the palmar surface of the hypothenar eminence
A

D. sensory deficits in the dorsum of the hand

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15
Q
15. the thalamus is fed by (the) 
      I.   medial posterior choroidal artery 
      II.  anterior choroidal artery 
      Ill. basilar artery branches 
      IV. middle cerebral artery branches 
A. I, II, III
B. I, III
C. II, IV 
D. IV 
E. all of the above
A

A. I, II, III

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16
Q
16. the anterior choroidal artery supplies portions of each of the  following structures except the 
A. amygdala 
B. globus pallidus 
C. hippocampus 
D. hypothalamus 
E. internal capsule
A

D. hypothalamus

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17
Q
17. connects the amygdala to the hypothalamus 
A. central tegmental tract 
B. lamina terminalis 
C. medial forebrain bundle 
D. stria medullaris 
E. stria terminalis
A

E. stria terminalis

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18
Q
18. the closed rostral end of the neural tube
A. central tegmental tract 
B. lamina terminalis 
C. medial forebrain bundle 
D. stria medullaris 
E. stria terminalis
A

B. lamina terminalis

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19
Q
19. connects the gustatory brainstem nucleus to the thalamus 
A. central tegmental tract 
B. lamina terminalis 
C. medial forebrain bundle 
D. stria medullaris 
E. stria terminalis
A

A. central tegmental tract

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20
Q
20. connects the septal area, hypothalamus, olfactory area, and anterior thalamus to the habenula 
A. central tegmental tract 
B. lamina terminalis 
C. medial forebrain bundle 
D. stria medullaris 
E. stria terminalis
A

D. stria medullaris

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21
Q
21. connects the septal area, hypothalamus, olfactory area, and  hippocampus to the midbrain, pons, and medulla 
A. central tegmental tract 
B. lamina terminalis 
C. medial forebrain bundle 
D. stria medullaris 
E. stria terminalis
A

C. medial forebrain bundle

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22
Q
  1. Efferent fibers from the dentate nuclei
    A. are somatopically arranged in the thalamus with the head represented
    laterally and caudal body parts medially
    B. influence activity of motor neurons in the contralateral cerebral cortex
    C. leave the cerebellum via the middle cerebellar peduncle
    D. mainly terminate in the red nucleus
    E. project to the ipsilateral ventral lateral thalamic nuclei
A

B. influence activity of motor neurons in the contralateral cerebral cortex

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23
Q
23.  The  pulvinar has well-defined projections  to the 
I.  occipital cortex 
11.  parietal cortex 
111.  temporal cortex 
IV.  frontal cortex 
A. 1.  11,  I11 
B. I,  111 
C. 11,  IV 
D. IV 
E. all of  the  above
A

A. 1. 11, I11

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24
Q
  1. Each of the following is true of the fornix except
    A. It is the main efferent fiber system of the hippocampus.
    B. Postcommissural fibers of the fornix project to the mammillary bodies.
    C. The columns of the fornix lie anterior to the anterior commmissure.
    D. The body of the fornix runs to the rostral margin of the thalamus.
    E. The fornical commissure (psalterium) is rostral to the anterior commissure.
A

C. The columns of the fornix lie anterior to the anterior commmissure.

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25
Q
25.  The  efferent projections of  the  arcuate nucleus are most closely  associated with the 
A.  mammillary bodies 
B.  median eminence 
C.  nucleus of  the  diagonal band 
D.  posterior  hypophysis 
E.  supraoptic nucleus
A

B. median eminence

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26
Q
26.  Regions of the  striate  cortex  that  do not contain  ocular  dominance columns are those representing  the 
I.  fovea 
11.  blind spot  of  the  retina 
111.  macula 
IV.  monocular temporal crescent of  the  visual field 
A.  I,  11.111 
B.  I,  I11 
C.  11, IV 
D.  IV 
E.  all of  the  above
A

C. 11, IV

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27
Q

Each of the following is true of the supplemental motor cortex (MII) except
A. Some of the neurons project directly to the spinal cord.
B. The body is somatopically represented.
C. The neurons in this area exhibit movement-related activity only if the motor task is performed with the contralateral limbs.
D. The threshold for stimulation is higher than for the primary motor
cortex (MI).
E. Unilateral ablations produce no permanent deficit in the maintenance of posture or capacity for movement.

A

C. The neurons in this area exhibit movement-related activity only if the motor task is performed with the contralateral limbs.

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28
Q
  1. Each is true of dorsolateral fibers entering the dorsolateral spinal cord except
    A. Root fibers of spinal ganglia separate into a medial and lateral bundle.
    B. The central processes of each dorsal root ganglion divide into both ascending and descending branches.
    C The lateral bundle conveys impulses from free nerve endings.
    D. The medial bundle consists of thinly myelinated or unmyelinated fibers, whereas the lateral bundle is thickly myelinated.
    E. The medial bundle conveys impulses from Golgi tendon organs.
A

D. The medial bundle consists of thinly myelinated or unmyelinated fibers, whereas the lateral bundle is thickly myelinated.

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29
Q
29.  Which of  the  following does the  ulnar nerve innervate? 
I.  pronator quadratus 
11.  flexor  pollicis longus 
111.  opponens pollicis 
IV.  adductor  pollicis 
A.  I,  11,  111 
B.  I,  111 
C.  11, IV 
D.  IV 
E.  all of  the  above
A

D. IV

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30
Q
30. anterior nuclear group 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  1
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

H. cingulate gyrus

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31
Q
31. lateral dorsal nucleus 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  1
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

H. cingulate gyrus

32
Q
32. lateral geniculate nucleus
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  17
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

E. area 17

33
Q
33. lateral  posterior  nucleus 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  17
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex A.  areas 1,2,3
A

D. areas 5,7

34
Q
34.  medial  geniculate nucleus 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  1
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

G areas 41,42

35
Q
35.  mediodorsal nucleus 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  1
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

I. prefrontal cortex

36
Q
36.  pulvinar 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  1
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

F. areas l8,19

37
Q
37.  centromedian nucleus 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  1
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

C. striaturn

38
Q
38.  ventral lateral nucleus 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  1
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

B. area 4

39
Q
39.  ventral posterolateral  nucleus 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  1
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

A. areas 1,2,3

40
Q
40.  ventral posteromedial  nucleus 
A.  areas 1,2,3  
B.  area  4  
C.  striaturn  
D.  areas 5,7 
E.  area  1
F.  areas l8,19 
G  areas 41,42 
H.  cingulate  gyrus 
 I.  prefrontal cortex
A

A. areas 1,2,3

41
Q
41.  Efferent fibers project  to the  neurohypophysis. 
A.  supraopticohypophysial  tract 
B.  tuberoinfundibular tract 
C.  both 
D.  neither
A

A. supraopticohypophysial tract

42
Q
42.  Efferent fibers project  to the  anterior  pituitary. 
A.  supraopticohypophysial  tract 
B.  tuberoinfundibular tract 
C.  both 
D.  neither
A

D. neither

43
Q
43.  Efferent fibers project  to the  hypophyseal portal vessels. 
A.  supraopticohypophysial  tract 
B.  tuberoinfundibular tract 
C.  both 
D.  neither
A

B. tuberoinfundibular tract

44
Q
44.  connects  globus  pallidus  interna  to  thalamus (travels  around the internal capsule) 
A.  ansa lenticularis 
B.  fasciculus retroflexus 
C.  lenticular fasciculus (FF  H2) 
D.  postcommissural fornix 
E.  precommissural  fornix 
F.  thalamic  fasciculus (FF  HI)
A

A. ansa lenticularis

45
Q
45.  connects globus  pallidus  interna  to thalamus  (travels  through internal capsule) 
A.  ansa lenticularis 
B.  fasciculus retroflexus 
C.  lenticular fasciculus (FF  H2) 
D.  postcommissural fornix 
E.  precommissural  fornix 
F.  thalamic  fasciculus (FF  HI)
A

C. lenticular fasciculus (FF H2)

46
Q
46.  combination of the  ansa lenticularis, lenticular fasciculus, and cerebellothalamic tract 
A.  ansa lenticularis 
B.  fasciculus retroflexus 
C.  lenticular fasciculus (FF  H2) 
D.  postcommissural fornix 
E.  precommissural  fornix 
F.  thalamic  fasciculus (FF  HI)
A

F. thalamic fasciculus (FF HI)

47
Q
47.  connects  the  habenula  to midbrain  and interpeduncular  nuclei 
A.  ansa lenticularis 
B.  fasciculus retroflexus 
C.  lenticular fasciculus (FF  H2) 
D.  postcommissural fornix 
E.  precommissural  fornix 
F.  thalamic  fasciculus (FF  HI)
A

B. fasciculus retroflexus

48
Q
48.  connects  the  hippocampus  to  septal  nuclei 
A.  ansa lenticularis 
B.  fasciculus retroflexus 
C.  lenticular fasciculus (FF  H2) 
D.  postcommissural fornix 
E.  precommissural  fornix 
F.  thalamic  fasciculus (FF  HI)
A

E. precommissural fornix

49
Q
49.  connects  hippocampus  to the  hypothalamus,  mammillary  bodies,  anterior thalamus, septal  nuclei,  and  cingulate  gyrus 
A.  ansa lenticularis 
B.  fasciculus retroflexus 
C.  lenticular fasciculus (FF  H2) 
D.  postcommissural fornix 
E.  precommissural  fornix 
F.  thalamic  fasciculus (FF  HI)
A

D. postcommissural fornix

50
Q
50.  Which  of  the  following structures is not  present on  a  transverse  section of  the medulla taken  at midolive? 
A.  accessory cuneate nucleus 
B.  dorsal nucleus of  X 
C.  nucleus ambiguus 
D.  nucleus of  the  solitary tract 
E.  superior  vestibular nucleus
A

E. superior vestibular nucleus

51
Q
51.  Which of the  following fiber tracts  is  not a  part  of  the  limbic  system? 
A.  diagonal band  of  Broca 
B.  fornix 
C.  mammillothalamic  tract 
D.  medial forebrain  bundle 
E.  thalamic  fasciculus
A

E. thalamic fasciculus

52
Q
  1. The secondary somatic sensory area (SII) is located on the
    A. medial surface of the superior frontal gyrus
    B. medial surface of the superior parietal lobule
    C. superior bank of the lateral sulcus
    D. ventral posterolateral nucleus of the thalamus
    E. same area as the primary somatic sensory area
A

C. superior bank of the lateral sulcus

53
Q
  1. Which of the following is not seen with a lesion of the facial nerve immediate distal to the geniculate ganglion?
    A. hyperacusis
    B. impairment of lacrimation
    C. impairment of salivary secretion
    D. loss of taste in the anterior two thirds of the tongue
    E. paralysis of ipsilateral facial muscles
A

B. impairment of lacrimation

54
Q
54.  The  external urethral sphincter is  innervated  by 
A.  parasympathetic  pelvic nerves 
B.  somatic pudendal nerves 
C.  sympathetic hypogastric nerves 
D.  A and B, 
E.  B and C
A

B. somatic pudendal nerves

55
Q
  1. Regions of the brain devoid of a blood-brain barrier/ circumventricular organs
    include each of the following except
    A. indusium griseum
    B. median eminence
    C. organum vasculosum of the lamina terminalis
    D. pineal gland
    E. subfornicat organ
A

A. indusium griseum

56
Q
56. Uncrossed fibers  of  the  optic  tract  terminate  on  which  layers of  the  lateral geniculate? 
A.  1.3,  and  5 
B.  1,4,  and  6 
C.  2,3,  and  5 
D.  2,4,  and  6 
E.  2,5.  and  6
A

C. 2,3, and 5

57
Q
57.  Substances can cross the blood-brain  barrier via 
I.  active  transport 
11.  carrier-mediated transport 
111.  diffusion 
IV.  vesicular  transport 
A.  I,  I1,III 
B.  I,  111 
C.  11,  IV 
D.  IV 
E.  all of  the  above
A

A. I, I1,III

58
Q
58.  connects  septal nuclei  to the  amygdala 
A.  arcuate fasciculus 
B.  diagonal band  of  Broca 
C.  tapetum 
D.  uncinate  fasciculus
A

B. diagonal band of Broca

59
Q
59.  connects  Wernicke's area  to Broca's area 
A.  arcuate fasciculus 
B.  diagonal band  of  Broca 
C.  tapetum 
D.  uncinate  fasciculus
A

A. arcuate fasciculus

60
Q
60.  connects temporal and occipital lobes 
A.  arcuate fasciculus 
B.  diagonal band  of  Broca 
C.  tapetum 
D.  uncinate  fasciculus
A

C. tapetum

61
Q
61.  connects  the  temporal  lobe  to the  frontal lobe 
A.  arcuate fasciculus 
B.  diagonal band  of  Broca 
C.  tapetum 
D.  uncinate  fasciculus
A

D. uncinate fasciculus

62
Q
62.  located in the  supraoptic  region 
A.  paraventricular nucleus 
B.  supraoptic  nucleus 
C.  both 
D.  neither
A

C. both

63
Q
63.  located in the  tuberal region 
A.  paraventricular nucleus 
B.  supraoptic  nucleus 
C.  both 
D.  neither
A

D. neither

64
Q
64.  consists of several distinct cell  groups 
A.  paraventricular nucleus 
B.  supraoptic  nucleus 
C.  both 
D.  neither
A

A. paraventricular nucleus

65
Q
65.  composed mainly of  uniformly large cells 
A.  paraventricular nucleus 
B.  supraoptic  nucleus 
C.  both 
D.  neither
A

B. supraoptic nucleus

66
Q
66.  Immunohistocytochemically  large cells in this  nucleus contain either vasopressin or oxytocin. 
A.  paraventricular nucleus 
B.  supraoptic  nucleus 
C.  both 
D.  neither
A

C. both

67
Q
67.  Regions of  this  nucleus give  rise  to descending axons projecting to the  brainstem and  all levels  of the  spinal  cord. 
A.  paraventricular nucleus 
B.  supraoptic  nucleus 
C.  both 
D.  neither
A

A. paraventricular nucleus

68
Q
  1. Each of the following is true of corticobulbar fibers except
    A. Fibers projecting to the posterior column nuclei leave the pyramids and
    enter these nuclei via the medial lemniscus or reticular formation.
    B. Fibers projecting to trigeminal sensory nuclei and the nucleus solitarius
    are derived predominantly from frontoparietal cortical areas.
    C. Pseudobulbar palsy can result from unilateral lesions involving
    corticobulbar fibers.
    D. The supranuclear innervation of motor cranial nerve nuclei is largely bilateral.
    E. Unilateral lesions involving corticobulbar fibers produce paralysis of
    contralateral lower facial muscles only.
A

C. Pseudobulbar palsy can result from unilateral lesions involving
corticobulbar fibers.

69
Q
  1. The palmar interosseus muscles
    A. abduct the fingers
    B. adduct the fingers
    C. extend the metacarpophalangeal joints and flex the interphalangeal joints
    D. flex the metacarpophalangeal joints and extend the interphalangeal joints
    E. perform none of the above
A

B. adduct the fingers

70
Q
70.  The  sciatic nerve  supplies  each of the  following muscles  in  part or in  whole except  the 
A.  adductor  magnus 
B.  biceps femoris (short  head) 
C.  gluteus maximus 
D.  semimembranous 
E.  semitendinous
A

C. gluteus maximus

71
Q
  1. The syndrome of posteroinferior cerebellar artery (PICA) occlusion consists of
    each of the following except
    A. contralateral loss of pain and temperature in the body
    B. contralateral loss of pain and temperature in the face
    C. ipsilateral paralysis of the pharynx and larynx
    D. ipsilateral Horner’s syndrome
    E. persistent hiccup
A

B. contralateral loss of pain and temperature in the face

72
Q
  1. location of anterior thalamic radiation
    A. anterior limb of the internal capsule
    B. genu of the internal capsule
    C. posterior limb of the internal capsule
    D. none of the above
A

A. anterior limb of the internal capsule

73
Q
  1. location of frontopontine fibers
    A. anterior limb of the internal capsule
    B. genu of the internal capsule
    C. posterior limb of the internal capsule
    D. none of the above
A

A. anterior limb of the internal capsule

74
Q
  1. location of corticofugal fibers
    A. anterior limb of the internal capsule
    B. genu of the internal capsule
    C. posterior limb of the internal capsule
    D. none of the above
A

C. posterior limb of the internal capsule

75
Q
  1. location of superior thalamic radiation
    A. anterior limb of the internal capsule
    B. genu of the internal capsule
    C. posterior limb of the internal capsule
    D. none of the above
A

C. posterior limb of the internal capsule

76
Q
  1. location of corticospinal fibers
    A. anterior limb of the internal capsule
    B. genu of the internal capsule
    C. posterior limb of the internal capsule
    D. none of the above
A

C. posterior limb of the internal capsule

77
Q
  1. location of the corticobulbar fibers
    A. anterior limb of the internal capsule
    B. genu of the internal capsule
    C. posterior limb of the internal capsule
    D. none of the above
A

B. genu of the internal capsule