Neuroanatomy Flashcards
- Regions of the brain devoid of a blood-brain barrier include all of the following EXCEPT?
a. pineal body
b. subfornical organ
c. organum vasculosum of the lamina terminalis
d. median eminence of the hypothalamus
e. habenular nucleus
e. habenular nucleus
- What is the major outflow tract of the basal ganglia?
a. lenticular fasciculus (Forel’s field H2)
b. ansa lenticularis
c. thalamic fasciculus (Forel’s field H1)
d. ansa reticularis
e. mammilothalamic tract
a. lenticular fasciculus (Forel’s field H2)
- Injury to Guillain-Mollaret’s triangle can produce?
a. arm tremor
b. torsional nystagmus
c. hypotonia
d. deafness
e. myoclonus
e. myoclonus (palatal myoclonus)
- Through what structure do fibers from the inferior olives reach the cerebellum?
a. superior cerebellar peduncle
b. inferior cerebellar peduncle
c. middle cerebellar peduncle
d. vestibular nucleus
e. flocculonodular lobe
b. inferior cerebellar peduncle
- All of the following are association fibers EXCEPT?
a. superior longitudinal fasciculus
b. arcuate fasciculus
c. uncinate fasciculus
d. corona radiata
e. cingulum
d. corona radiata (serabut proyeksi)
- First-order neurons involved in pupillary dilation originate in what structure?
a. thalamus
b. hypothalamus
c. superior colliculus
d. superior cervical ganglia
e. Edinger-Westphal nucleus
b. hypothalamus
- The basal nucleus (of Meynert) contains what type of neurons?
a. cholinergic
b. adrenergic
c. serotonergic
d. dopaminergic
e. noradrenergic
a. cholinergic
- Begininng the incision for an anterior iliac crest graft approximately 3 cm lateral to the anterior iliac spine attempts to avoid injury of what stucture(s)?
- Sartorius muscle
- Lateral femoral cutaneous nerve
- Illioinguinal ligament
- Illiacus muscle
a. 1, 2, 3
b. 1, 2
c. 2, 4
d. 4
e. semua benar
a. 1, 2, 3
A. CA1 B. CA2 C. CA3 D. CA4 E. Indusium griseum F. Dentate gyrus G. None of the above
- Mossy fibers originating in the dentate gyrus terminate here
C. CA3
A. CA1 B. CA2 C. CA3 D. CA4 E. Indusium griseum F. Dentate gyrus G. None of the above
- Extremely vulnerable to hypoxia
A. CA1
A. CA1 B. CA2 C. CA3 D. CA4 E. Indusium griseum F. Dentate gyrus G. None of the above
- Schaffer collaterals projet to the pyramidal neurons of this subfield
A. CA1
A. CA1 B. CA2 C. CA3 D. CA4 E. Indusium griseum F. Dentate gyrus G. None of the above
- Lies in the concavity of the dentate gyrus
D. CA4
A. CA1 B. CA2 C. CA3 D. CA4 E. Indusium griseum F. Dentate gyrus G. None of the above
- Vestigial remnant of hippocampal formation
E. Indusium griseum
A. CA1 B. CA2 C. CA3 D. CA4 E. Indusium griseum F. Dentate gyrus G. None of the above
- Injury of this sector may produce remote memory problems
G. None of the above
A. CA1 B. CA2 C. CA3 D. CA4 E. Indusium griseum F. Dentate gyrus G. None of the above
- Largest sector
A. CA1
- In normal individuals, the direct and indirect circuits of the basal ganglia are balanced by?
A. the opposing actions of the dopaminergic nigrostriatal projections on the D1 and D2 receptor subtypes in the putamen
B. the inhibitory activity of the subthalamic nucleus on the globus pallidus interna
C. The increased acitivty on GABAergic neurons in the internal segment of the globus pallidus by the direct pathway
D. The ascending dopaminergic fibers originating in the midbrain tegmentum and synapsing in the pars compacta of the substansia nigra (influening D1 and D2 receptors in the globus pallidus)
E. All of the above
A. the opposing actions of the dopaminergic nigrostriatal projections on the D1 and D2 receptor subtypes in the putamen
- A visual lesion producing a central defect in one field with a superior temporal defect in the opposit may be originating in what location?
a. anterior chiasm
b. occipital lobe
c. temporal lobe
d. optic nerve
e. inferior parietal lobe
a. anterior chiasm
- Fibers from the frontal eye fields pass through the genu of the internal capsule, decussate in the pons, and synapse in what structure involved with saccades?
a. MLF
b. inferior collicuus
c. edinger-westphal nucleus
d. solitary nucleus
e. PPRF
e. PPRF
A. PCA B. SCA C. AICA D. PICA E. VA
- Occlusion of this vessel is the most common cause of lateral medullary (Wallenberg) syndrome
E. VA
A. PCA B. SCA C. AICA D. PICA E. VA
- Supplies the pyramis, tuber, flocculus, and caudal parts of pontine tegmentum
C. AICA
A. PCA B. SCA C. AICA D. PICA E. VA
- occlusion can produce contralateral hearing impairment
B. SCA
A. PCA B. SCA C. AICA D. PICA E. VA
- vessel commonly associated with trigeminal neuralgia
B. SCA
A. PCA B. SCA C. AICA D. PICA E. VA
- vessel at most risk of injury during Chiari decompression
D. PICA
A. PCA B. SCA C. AICA D. PICA E. VA
- The dentate nucleus is mainly supplied by this vessel
B. SCA
A. PCA B. SCA C. AICA D. PICA E. VA
- supplies the middle cerebellar peduncle
C. AICA
- Fibers passing from the amygdala to the hypothalamus may travel in what fiber bundle?
a. stria medullaris
b. fornix
c. stria terminalis
d. medial forebrain bundle
e. cingulum
c. stria terminalis
- a cerebellar glomerulus consists of all of the following EXCEPT?
a. climbing fibers
b. glial capsule
c. dendrites of granule neurons
d. axons and dendrites of Golgi type II neurons
e. mossy fibers
a. climbing fibers
- the major site for neuroblast proliferation in the CNS is
a. layer III of the cerebral cortex
b. periventricular ependymal region
c. white matter
d. spinal cord
e. arachnoid layer
b. periventricular ependymal region
- which cell represents the only output of the cerebellar cortex?
a. granule cell
b. golgi cell
c. stellate cell
d. purkinje cell
e. horizontal cell
d. purkinje cell
- what structures pass through the annulus tendineus of Zinn?
- ophtalmic vein
- lateral rectus muscle
- lacrimal branch of opthalmic nerve
- inferior division of oculomotor nerve
a. 1,2,3
b. 1,3
c. 2,4
d. 4
e. semua benar
c. 2,4
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- Nerve supplies muscles that are antagonists to the serratus anterior
K. Dorsal scapular nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- injury to this nerve may result in winged scapula
A. Long thoracic nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- innervates teres minor muscle
I. axillary (circumflex) nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- injury to this nerve will result in flexion weakness, especially when the forearm is supine
J. Musculocutaneous nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- innervates supinator muscle
G. radial nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- nerve most commonly affected by entrapment neuropathy
H. median nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- a pure lesion of a branch of this nerve can result in weakness of the long flexors of the thumb and index finger (producing a pinch sign) and pronator quadratus
H. median nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- injury of this nerve may occur in Guyan’s canal
F. ulnar nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous K. Dorsal scapular nerve
- compression of this nerve may occur by a ligament that bridges the supracondylar process to the medial epicondyle
H. median nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous K. Dorsal scapular nerve
- Innvervates the interossei muscles
F. ulnar nerve
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- supplies sensation to the anteromedial and posteromedial forearm down to the wrist
E. Medial cutaneous nerves of the forearm
A. Long thoracic nerve B. C. D. E. Medial cutaneous nerves of the forearm F. ulnar nerve G. radial nerve H. median nerve I. axillary (circumflex) nerve J. Musculocutaneous nerve K. Dorsal scapular nerve
- Entrapment in quadrilateral space
I. axillary (circumflex) nerve
- all are features of the cerebral cortex EXCEPT?
a. vague cytoarchitectural boundaries
b. laminar arrangement of neurons
c. conspicuous stripes of unmyelinated fibers
d. radial or columnar arrangement of neurons
e. numerous pyramid cells in layer V of the visual cortex that send fibers to the brainstem for visually directed reflexive eye movements
c. conspicuous stripes of unmyelinated fibers
- The arcuate fasciculus is composed of association fibers interconnecting which structures?
a. superior parietal lobule and occipital lobe
b. superior and middle frontal gyrus and temporal lobe
c. superior and inferior frontal gyrus and limbic lobe
d. thalamus and amygdala
e. orbital frontal gyri and temporal lobe
b. superior and middle frontal gyrus and temporal lobe
- A 27-year-old male presents to the emergency room with ptosis of the right eyefield and pupillary constriction of the same eye, but no gaze palsy or diplopia. The most likely explanation for this is a lesion in what location?
A. CN II B. CN III C. CN V D. CN VII E. Carotid sympathetic nerve
E. Carotid sympathetic nerve
- What region(s) of the striate cortex do NOT contain ocular dominance columns?
- the cortical region representing the blind spot of the retina
- the cortical region representing the nasal half of the iipsilateral retina
- the cortical region representing the monocular temporal crescent of the visual field
- the columnar system, which is mainly concerned with line orientation and retinal position
a. 1,2,3 b 1,3 c. 2,4 d. 4 e. semua benar
b 1,3
A. Lateral femoral cutaneous nerve of the thigh (L2,3) B. Femoral nerve (L2-4) C. Sciatic nerve D. Obturator nerve (L2-4) E. Femoral ring F. Sciatic nerve
- Prone to injury during obstetric and gynecologic procedures
D. Obturator nerve (L2-4)
A. Lateral femoral cutaneous nerve of the thigh (L2,3) B. Femoral nerve (L2-4) C. Sciatic nerve D. Obturator nerve (L2-4) E. Femoral ring F. Sciatic nerve
- Nerve associated with “meralgia paresthectica”
A. Lateral femoral cutaneous nerve of the thigh (L2,3)
A. Lateral femoral cutaneous nerve of the thigh (L2,3) B. Femoral nerve (L2-4) C. Sciatic nerve D. Obturator nerve (L2-4) E. Femoral ring F. Sciatic nerve
- Nerve likely to be damaged by hematoma in the pelvis
B. Femoral nerve (L2-4)
A. Lateral femoral cutaneous nerve of the thigh (L2,3) B. Femoral nerve (L2-4) C. Sciatic nerve D. Obturator nerve (L2-4) E. Femoral ring F. Sciatic nerve
- Diabetic amyotrophy is most likely to affect this site
E. Femoral ring
A. Lateral femoral cutaneous nerve of the thigh (L2,3) B. Femoral nerve (L2-4) C. Sciatic nerve D. Obturator nerve (L2-4) E. Femoral ring F. Sciatic nerve
- supplies the pectineus and gracilis muscles
D. Obturator nerve (L2-4)
- A gray ramus communicans, which extends between a sympathetic trunk ganglion and anterior primary ramus of a spinal nerve, contains which of the following?
a. general somatic afferent fibers
b. myelinated fibers
c. preganglionic sympathetic neurons
d. fibers that become the enteric nervous system
e. adrenergic fibers
e. adrenergic fibers
- muscles that are innervated by the ansa cervicalis include all of the following EXCEPT?
a. omohyoid
b. geniohyoid
c. thyrohyoid
d. geniohyoid
e. stylohyoid
e. stylohyoid
- A 46-year-old male with a remote history of a gunshot wound to the face and intravenous drug abuse presents to the ER with fevers and swelling on the left side of his neck and face.
A CT scan reveals an abscess adjacent to the pterygopalatine fossa. This infection may directly track to all of the following compartments EXCEPT?
a. orbital cavity
b. nasal cavity
c. middle cranial fossa
d. inner ear
e. oral cavity
d. inner ear
A. Marcus-Gunn pupil B. Horner's pupil C. Adie's pupil (Tonic pupil) D. Argyll-Robertson pupil E. None of the above
- short ciliary nerves
C. Adie’s pupil (Tonic pupil)
A. Marcus-Gunn pupil B. Horner's pupil C. Adie's pupil (Tonic pupil) D. Argyll-Robertson pupil E. None of the above
- superior cervical ganglion
B. Horner’s pupil
A. Marcus-Gunn pupil B. Horner's pupil C. Adie's pupil (Tonic pupil) D. Argyll-Robertson pupil E. None of the above
- Dorsal midbrain
D. Argyll-Robertson pupil
A. Marcus-Gunn pupil B. Horner's pupil C. Adie's pupil (Tonic pupil) D. Argyll-Robertson pupil E. None of the above
- Retina
A. Marcus-Gunn pupil
- The term lentiform nucleus refers to what structure (s)?
a. caudate nucleus and globus pallidum
b. putamen and amygdala
c. putamen and globus pallidus
d. caude nucleus, globus pallidus, and putamen
e. globus pallidus
c. putamen and globus pallidus
- The STN receives its dominant input from which of the following structures?
a. VL nucleus of the thalamus
b. CM nucleus of the thalamus
c. lateral globus pallidus
d. medial globus pallidus
e. cerebral cortex
c. lateral globus pallidus
- All of the following are afferent tracts through the inferior cerebellar peduncle EXCEPT
a. vestibulocerebellar
b. olivocerebellar
c. dorsal spinocerebellar
d. reticulocerebellar
e. corticopontocerebellar
e. corticopontocerebellar
- Axons of which cells leave layer V of the neocortex primarily as projection fibers?
a. stellate cells
b. fusiform cells
c. pyramidal cells
d. horizontal cells
e. fusiform cells
c. pyramidal cells
- which body part has the largest relative representation in the sensorimotor cortex?
a. genitalia
b. middle finger
c. nipple
d. thumb
e. index finger
d. thumb
- A major difference between the archicortex and neocortex includes what?
a. absence of lamination in the archicortex
b. a six-layer arrangement of the archicortex
c. presence of a superficial layer of white matter in the archicortex
d. lack of Betz cells in the archicortex
e. the archicortex has major connections only with the limbic system
c. presence of a superficial layer of white matter in the archicortex