Test 53   (neuroanatomy )

1. Structures found within the cerebellum include:

a. the amygdaloid body

b. the dentate nucleus

c. the emboliform nucleus

d. the caudate nucleus

e. the globose nucleus

Answera. F   b.T   c.T   d.F   e.T
The amygdaloid body and the caudate nucleus are both found in the cerebral hemisphere.

2. The fibres that interconnect the two cerebral hemispheres include:

a. the cingulum

b. the uncinate fasciculus

c. the corpus callosum

d. the hippocampal commissure

e. the geniculo-calcarine tract

Answera.F   b.F   c.T   d.T   e.F
The cingulum connects the anterior perforated substance and the parahippocampal gyrus in the ipsilateral hemisphere
The uncinate fasciculus connects the inferior frontal lobe gyri with the anterior temporal lobe in the ipsilateral hemisphere.
The geniculo-calcarine tract connects the geniculate body to the calcarine region of the ipsilateral occipital cortex

3. The following structures are made up of the dura mater:

a. tela choroidea

b. the cisterna magna

c. the diaphragma sellae

d. falx cerebelli

e. falx cerebri

Answera.F   b.F   c.T   d.T   e.T
Tela choroidea is formed from the pia mater whereas cisterna magna is from the arachnoid.
 

4. The following are true with regard to the internal capsule:

a. it is made up of grey matter

b. the anterior limb separates the caudate nucleus from 
    the lenticular nucleus

c. fibres connecting the frontal lobe to the red nucleus 
    are found in the posterior limb

d. corticothalamic fibres are found in the anterior limb

e. contralateral spastic hemiplegia can result from 
    infarction of the lenticulostriate artery

Answera.F   b.T   c.T   c.T   e.T
The internal capsule is made up of white mater.

5. With regard to cerebral circulation:

a. the posterior inferior cerebellar artery arises from 
    the posterior cerebral artery

b. the internal capsule is supplied by penetrating branches 
    arising from the middle cerebral artery

c. the posterior cerebral artery arises from the internal 
    carotid artery

d. the lateral aspect of each cerebral hemisphere is 
    supplied mainly by the middle cerebral artery

e. the inferior petrosal sinus drains into the external 
    jugular vein

Answera.F   b.T   c.F   d.T   e.F
The posterior inferior cerebellar artery came from the vertebral artery and the posterior cerebral artery came from the basilar artery.
The inferior petrosal sinus drains into the internal jugular vein.