ANATOMI II

Question 1

The  anterior  choroidal artery supplies parts of  the 
I.  caudate nucleus 
11.  optic tract 
Ill.  thalamus 
IV.  anterior  limb of  the  internal capsule 
A.  I,  11,  I11 
B.  I,  I11 
C.  11,  IV 
D.  IV 
E.  all of  the  above

Answer 1

A. I, 11, I11

Question 2

A lesion affecting the left optic tract will be manifested by a deficit in the
A. nasal half of the visual field of both eyes
B. nasal half of the right visual field and temporal half of the left visual field
C no deficit unless the right optic tract was also affected
D. temporal half of the visual field of both eyes
E. temporal half of the right visual field and nasal half of the left visual field

Answer 2

E. temporal half of the right visual field and nasal half of the left visual field

Question 3

Which of the following is not an afferent connection of the basal ganglia?
A. cerebral cortex to globus pallidus
B. cerebral cortex to putamen
C. substantia nigra to caudate nucleus
D. subthalamic nucleus to globus pallidus
E. thalamus to caudate nucleus

Answer 3

A. cerebral cortex to globus pallidus

Question 4

Most of  the  fibers  of the  stria terminalis originate from the 
A.  amygdala 
B.  anterior  hypothalamus 
C.  arcuate nucleus 
D.  habenula 
E.  septal  nuclei

Answer 4

A. amygdala

Question 5

The  telencephalon  gives rise  to each of  the  following except the 
A.  amygdala 
B.  caudate 
C.  claustrum 
D.  globus  pallidus 
E.  putamen

Answer 5

D. globus pallidus

Question 6

Weakness gf the  coracobrachialis muscle  results  from impairment  of the 
A.  axillary nerve 
B.  dorsal scapular nerve 
C.  median nerve 
D.  musculocutaneous nerve 
E.  suprascapular  nerve

Answer 6

D. musculocutaneous nerve

Question 7

Cells that give rise to commissural fibers that interconnect homologous cortical
areas via the corpus callosum are found in layer
A. I
B. I1
C. 111
D. IV
E. V

Answer 7

C. 111

Question 8

Neural crest derivatives include all of the following except the
A. adrenal medulla
B. dorsal root ganglion of cranial and spinal nerves
C. neurons of the cerebral cortex
D. pigmented layers of the retina
E. sympathetic ganglia of the autonomic nervous system

Answer 8

C. neurons of the cerebral cortex

Question 9

Which of the following progressions from primary vesicle to secondary
vesicle to adult derivative is correct?
A. mesencephalon to rhomboencephalon to medulla
B. prosencephalon to diencephalon to midbrain
C. prosencephalon to telencephalon to thalami
D. rhomboencephalon to metencephalon to cerebellum
E. rhomboencephalon to myelencephalon to pons

Answer 9

D. rhomboencephalon to metencephalon to cerebellum

Question 10

Major striatal efferent projections include
A. amygdala and globus pallidus
B. globus pallidus and substantia nigra
C. substantia nigra and amygdala
D. substantia nigra and thalamus
E. thalamus and globus pallidus

Answer 10

B. globus pallidus and substantia nigra

Question 11

Fibers  from the  nucleus ambiguus make contribution to 
I.  cranial nerve IX 
11.  cranial nerve XI 
111.  cranial nerve X 
IV.  cranial nerve VII 
A.  I,  11,111 
B.  I,  I11 
C.  11, IV 
D.  IV 
E.  all of  the  above

Answer 11

A. I, 11,111

Question 12

Functional components of the  facial  and  intermediate  nerves include 
I.  general somatic afferent  fibers 
11.  general visceral afferent fibers 
111.  special visceral afferent fibers 
IV.  special visceral efferent fibers 
A.  I,  11, I11 
B.  I,  111 
C.  11, IV 
D.  IV 
E.  all of the  above

Answer 12

E. all of the above

Question 13

The  infundibular recess  of the  third ventricle is located 
A.  dorsal  to the  mammillary bodies 
B.  dorsal  to the  habenula 
C.  lateral  to the  infundibulum 
D.  ventral to the  infundibulum 
E.  ventral to the  mammillary bodies

Answer 13

E. ventral to the mammillary bodies

Question 14

Lesions of the lateral lemniscus produce
A. bilateral complete deafness
B. bilateral partial deafness, greater in the contralateral ear
C. bilateral partial deafness, greater in the ipsilateral ear
D. unilateral, contralateral deafness
E. unilateral, ipsilateral deafness

Answer 14

B. bilateral partial deafness, greater in the contralateral ear

Question 15

Fibers  in the  superior  cerebellar peduncle synapse  in which  of the  following 
thalamic  nuclei? 
I.  ventral anterior 
11.  ventral lateral 
111.  rostra1  interlaminar nuclei 
IV.  ventral posterolateral 
A.  I,  11, Ill 
B.  I,  111 
C.  11,  IV 
D.  IV 
E.  all of  the  above

Answer 15

C. 11, IV

Question 16

The  limbic lobe is composed  of  all the  following except  the 
A.  amygdala 
B.  cingulate gyrus 
C.  dentate gyms 
D.  parahipp&ampal  gyrus 
E.  subcallosal gyrus

Answer 16

A. amygdala

Question 17

The  most significant  contribution to the  nasal septum is  made by the 
A.  ethmoid and frontal bones 
B.  ethmoid and sphenoid bones 
C.  ethmoid and vomer bones 
D.  frontal and vomer bones 
E.  sphenoid and  vomer bones

Answer 17

C. ethmoid and vomer bones

Question 18

The  posterior interosseus  nerve innervates  the 
A.  abductor  pollicis brevis 
B.  abductor  pollicis longus 
C adductor  pollicis 
D.  flexor  pollicis longus 
E.  opponens pollicis

Answer 18

B. abductor pollicis longus

Question 19

The  internal  cerebral vein receives  each of the  following veins except  the 
A.  choroidal vein 
B.  epithalamic vein 
C.  great cerebral vein of  Calen 
D.  septa1  vein 
E.  thalamostriate vein

Answer 19

C. great cerebral vein of Calen

Question 20

The  striate  cortex  corresponds to area 
A.  17 
B.  18 
C.  19 
D.  41 
E.  42

Answer 20

A. 17

Question 21

The  internal  capsule is supplied  by branches of  the 
1.  middle cerebral  artery 
11.  anterior cerebral  artery 
111.  internal  carotid artery 
IV.  posterior cerebral artery 
A.  I.  11,  I11 
B.  I,  111 
C.  11,  IV 
D.  IV 
E.  all of  the  above

Answer 21

A. I. 11, I1

Question 22

A discrete unilateral lesion of the abducens nucleus produces paralysis of
movement of
A. both eyes away from the lesion
B. both eyes toward the lesion
C. the contralateral eye toward the lesion
D. the ipsilateral eye away frorn the lesion
E. the ipsilateral eye toward the lesion

Answer 22

B. both eyes toward the lesion

Question 23

Postganglionic parasympathetic  fibers  destined  for  the  lacrimal  gland  are 
derived frorn the 
A.  geniculate ganglion 
B.  otic  ganglion 
C.  pterygopalatine ganglion 
D.  sublingual ganglion 
E.  submandibular ganglion

Answer 23

C. pterygopalatine ganglion

Question 24

Fibers  originating  in  the  substantia nigra synapse on  each of  the  following 
structures excqt  the 
A.  caudate 
B.  globus  pallidus 
C.  putamen 
D.  superior  colliculus 
E.  thalamus

Answer 24

B. globus pallidus

Question 25

The blood-brain barrier is formed by (the) A. astrocytic foot processes B. basement membrane C ependymal lining cells D. microglia . E. tight junctions of the capillary endothelium

Answer 25

E. tight junctions of the capillary endothelium

Question 26

``` Which of the following ligaments is a continuation of the posterior longitudi- nal ligament? A. anterior atlanto-occipital membrane B. apical ligament C. cruciate ligament D. tectorial ligament E. transverse ligament ```

Answer 26

D. tectorial ligament

Question 27

``` The facial nerve innervates all of the following muscles except the A. anterior belly of the digastric B. buccinator C. platysma D. stapedius E. stylohyoid ```

Answer 27

A. anterior belly of the digastric

Question 28

The nucleus pulposus of the intervertebral disk is formed from the A. chondrification of the centrum of the vertebral body B. myotome C. notochord D. primitive streak E. sclerotome

Answer 28

C. notochord

Question 29

The primary olfactory cortex is located in the A. anterior perforated substance B. entorhinal cortex C. mediodorsal nucleus of the thalamus D. orbitofrontal cortex E. pyriform cortex

Answer 29

E. pyriform cortex

Question 30

Each of the following cell groups is derived from the alar plate except the A. nucleus ambiguus B. principal sensory nucleus of CN V C. solitary nucleus D. spinal trigeminal nucleus E. vestibular nucleus

Answer 30

A. nucleus ambiguus

Question 31

``` The anterior choroidal artery supplies parts of the I. caudate nucleus 11. optic tract Ill. thalamus IV. anterior limb of the internal capsule A. I, 11, I11 B. I, I11 C. 11, IV D. IV E. all of the above ```

Answer 31

A. I, 11, I11

Question 32

``` A unilateral lesion of the trochlear nerve produces maximal diplopia on A. downgaze to the opposite side B. downgaze to the same side C. upgaze to the opposite side D. upgaze to the same side E. lateral gaze to the opposite side ```

Answer 32

A. downgaze to the opposite side

Question 33

``` Movement of molecules across the blood-brain barrier involves A. active transport requiring energy B. carrier-mediated transport C both D. neither ```

Answer 33

C both

Question 34

Which of the following most closely characterizes the tuberohypophysial tract? A. arcuate mcleus to median eminence B. arcuate nucleus to posterior hypophysis C. dorsomedial nucleus to posterior hypophysis D. supraoptic nucleus to median eminence E. supraoptic nucleus to posterior hypophysis

Answer 34

A. arcuate mcleus to median eminence