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Neuro II - CNS > CNS Test II > Flashcards

CNS Test II Flashcards

1
Q

The solitary nucleus and its tract perform a wide variety of functions. Choose one of these from the list below.
A. Transmission of touch and conscious proprioception information from the body to the ventral posterolateral nucleus of the thalamus.
B. Transmission of pain and temperature information from the face to the ventroposterior medial nucleus of the thalamus
C. Transmission of vestibular afferent information to the ipsilateral cerebellar cortex via the inferior cerebellar peduncle
D. Transmission of incoming barro- and chemo- receptive information to various autonomic control centers in medullary and pontine reticular formations.

A

D. Transmission of incoming barro- and chemo- receptive information to various autonomic control centers in medullary and pontine reticular formations.

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2
Q

Which of these structures marks the point at which the closed medulla becomes…
A. Obex
B. Beginning of the inferior cerebellar peduncle
C. Inferior olivary nucleus
D. CN-VI motor nucleus

A

A. Obex

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3
Q

Embryologically, the muscles of facial expression are derived from the _________ branch and _________ cranial nerve.
A. first, Vth
B. second, VIIth
C. second Vth
D. third, VIIth

A

B. second, 7th

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4
Q

The corticospinal tract in the pons carries pyramidal neuron axons from the ___________
A. contralateral
B. ipsilateral

A

B. ipsilateral

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5
Q

Which ONE of the following is found in the basilar pons?
A. decussating fibers of the medial lemniscus
B. Inferior cerebellar peduncle
C. motor nucleus of the facial nerve
D. Deep pontine nuclei

A

D. Deep pontine nuclei

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6
Q

Which ONE of the following transmits descending primary afferent axons for pain, temperature, and light touch from the face?
A. chief sensory nucleus of V
B. spinal tract of V
C. Spinal nucleus of V
D. tract of the nucleus solitarius

A

B. Spinal tract of V

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7
Q

Which of the following is found in the thoracic and cervical cord, but not in the lumbar and sacral?
A. Dorsolateral fasciculus
B. Fasciculus gracilis
C. Lateral funiculus
D. fasciculus cuneatus

A

D. fasciculus cuneatus

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8
Q

Which of the following is the site of termination of the pontocerebellar fiber?
A. posterior lobe cerebellum
B. flocculonodular lobe cerebellum
C. deep cerebellar nuclei
D. anterior lobe cerebellum

A

C. deep cerebellar nuclei

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9
Q

The chief sensory nucleus of the trigeminal nerve houses second order neurons for the _____
A. touch and conscious proprioception
B. pain and temperature
C. unconscious proprioception
D. all of the above

A

A. touch and conscious proprioception

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10
Q

Where do the climbing fibers of the right cerebellar cortex come from?
A. right superior olivary nucleus
B. left superior olivary nucleus
C. left inferior olivary nucleus
D. right inferior olivary nucleus

A

C. left inferior olivary nucleus

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11
Q

The motor nucleus of the trigeminal nerve (CNV) houses _____ neurons for the ______ muscles of the face.
A. SVE; mastication
B. SVE; expression
C. GVE; vasomotor
D. GSE; mastication

A

A. SVE; mastication

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12
Q

Which one of the following structures houses the primary afferent cell bodies for unconscious proprioception form the TMJ mastication?
A. mesencephalic nucleus of V
B. dorsal spinocerebellar tract
C. Chief sensory nucleus of V
D. spinal tract of V

A

A. mesencephalic nucleus of V

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13
Q

Which ONE of the following structures is NOT found in the middle pons tegmentum?
A. lateral lemniscus
B. inferior olivary nucleus
C. spinothalamic tract
D. medial lemniscus

A

B. inferior olivary nucleus

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14
Q

Which of the following tracts DOES NOT contribute to the formation of the inferior cerebellar peduncle?
A. dorsal spinocerebellar tract
B. pontocerebellar tract
C. vestibular afferents
D. olivocerebellar tract

A

B. pontocerebellar tract

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15
Q

Which of the following structure is most dorsomedial in the pons?
A. motor nucleus of CN III
B. medial lemniscus
C. lateral lemniscus
D. medial longitudinal fasciculus

A

D. medial longitudinal fasciculus

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16
Q

The rostral basilar pons transmits which ONE of the following tracts?
A. spinothalamic
B. central tegmental
C. corticopontine
D. dorsal spinocerebellar

A

C. corticopontine

17
Q

Which of the following is a GSE motor nucleus in the inferior pons?
A. hypoglossal
B. abducens
C. trochlear
D. facial

A

B. abducens

18
Q

What special sense is most associated with the trapezoid body?
A. Vision
B. Hearing
C. Taste
D. Balance

A

B. Hearing

19
Q

Which ONE of the following structures is NOT found in the inferior pontine tegmentum?
A. motor nucleus of VII
B. medial lemniscus
C. rostral tract of the nucleus solitarius
D. Chief Sensory nucleus of V

A

D. Chief sensory nucleus of V

20
Q

The nucleus ambiguus houses _____ neurons for cranial nerve ____ (among others).
A. SVE, VII
B. GVE, X
C. GVA, VII
D. GSA, V

A

D. GVE, X

21
Q

Which of the following is the site of termination of the pontocerebellar fibers?
A. flocculondular lobe cerebellum
B. deep cerebellar nuclei
C. posterior lobe cerebellum
D. anterior lobe cerebellum

A

C. posterior lobe cerebellum

22
Q

Which of the following tracts DOES NOT contribute to the formation of the inferior cerebellar peduncle?
A. pontocerebellar tract
B. vestibular afferents
C. dorsal spinocerebellar tract
D. olivocerebellar tract

A

A. Pontocerebellar tract

23
Q

The central tegmental tract is part of the ______ and carries relay fibers to the limbic system?
A. medulla, unconsscious proprioception
B. pons, auditory
C. reticular formation, taste
D. spinal cord, touch

A

C. reticular formation, taste

24
Q

Which of these tracts is transmitted by the inferior cerebellar peduncle?
A. ventral spinocerebellar
B. spinothalamic
C. fasciculus cuneatus
D. dorsal spinocerebellar

A

D. dorsal spinocerebellar

25
Q

Which of the following make up the transverse fibers of the basilar pons?
A. decussating fibers of the olivocerebellar tract
B. decussating fibers of the pyramids
C. decussating fibers of medial lemniscus
D. decussating fibers of the pontocerebellar tract

A

D. decussating fibers of the pontocerebellar tract

26
Q

The rostral solitary nucleus contains second order neurons associated with the ____ pathway
A. vestibular
B. visual
C. taste
D. auditory

A

C. taste

27
Q

The olivocerebellar tracts transmit _____ fibers to the ______ posterior lobe of the cerebellum
A. mossy; contralateral
B. climbing; contralateral
C. climbing; ipsilateral
D. mossy; ipsilateral

A

B. climbing; contralateral

28
Q

A patient presents with right arm and right leg paralysis as well as loss of ocula…..? site of the lesion?
A. left caudal pons
B. right caudal medulla
C. right caudal pons
D. left caudal medulla

A

B. left caudal pons

29
Q

A patient presents with right arm and right leg paralysis as well as loss of ocular ab… damaged?
A. Right CN VII
B. Left CN VII
C. Left CN VI
D. Right CN VI

A

C. Left CN VI

30
Q

Which of these cells/axons synapse on granule cells of the cerebellar cortex?
A. climbing fibers and basket cells
B. climbing fibers and golgi cells
C. mossy fibers and golgi cells
D. mossy fibers and purkinje cells

A

C. mossy fibers and golgi cells

31
Q

Which one of these structures carry information regarding unconscious proprioception from the…..??

A

dorsal spinocerebellar tract

32
Q

Which tract provides the climbing fibers to the anterior and posterior lobes of the cerebellum?
A. ventral spinocerebellar
B. dorsal spinocerebellar
C. olivocerebellar
D. cuneocerebellar

A

C. olivocerebellar

33
Q

Axons originating in the fastigial nucleus of the cerebellum project to the ____
A. superior olivary nuclei
B. red nuceli
C. vestibular nuclei
D. superior colliculi

A

C. Vestibular nuclei

34
Q

Fibers of the dentaothalamic tract will pass to the _____ ______ of the thalamus via the _______ cerebellar peduncle.
A. contralateral VPL; inferior
B. contralateral VL; superior
C. ipsilateral VPM; superior
D. contralateral VL; middle

A

B. contralateral VL; superior

35
Q

Another new patient presents today (your practice is booming…. that always happens before you go on vacation…) with a grade ___ onset of sensory losses, weakness, ataxia, and fatigue. She is 31 years old and has not seen anyone else for these symptoms do a neurological exam and find that she has vibratory loss in the toes on both fee, not following any dermatomal pattern. You also do some cerebellar tests, and find that she has intention tremor, especially at the terminal ends of the motion. You order blood work for antinuclear antibodies and an MRI. The blood work is positive for anti-myelin basic protein antibodies, and they show plaguing in various white matter areas. What is your diagnosis?
A. spinal nerve injury
B. ankylosing spondylitis
C. multiple sclerosis
D. tabes dorsalis

A

C. Multiple sclerosis

Neuro II - CNS (3 decks)

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