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Neuroanatomy Exam 2 Questions And Accurate Answers
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Neuroanatomy Exam 2 Questions And Accurate AnswersE Aphasia is a complex symptom, and though it does exist with nucleus ambiguus
dysfunction, it also exists with the dysfunction of other neural structures, including the
hypoglossal nucleus/nerve and regions of the cortex; this make it an inappropriate test -
ANSWER Which of the following is NOT a test or sign for the proper function of the
nucleus ambiguus?
A. Palate elevation
B. Uvula deviation
C. Vocal cord function
D. Gag reflex
E. Aphasia
E, C (the interneuron of this reflex projects bilaterally, meaning a blink should be elicited
in both eyes - unilateral blink reflex is abnormal) - ANSWER The corneal blink reflex is a
bisynaptic pathway. Identify the location of both synapses in the order in which they
occur.
A. Facial sensory nucleus
B. Principal sensory nucleus
C. Facial motor nucleus
D. Trigeminal motor nucleus
E. Spinal trigeminal nucleus
F. Mesencephalic nucleus
D, A - ANSWER The interneuron for the gag reflex runs from the ___ to the ___.
,A. Nucleus ambiguus
B. Superior salivatory nucleus
C. Inferior salivatory nucleus
D. Solitary nucleus
E. Spinal trigeminal nucleus
E, A, B-this is most likely from a vascular problem of the paramedian branches of the
posterior cerebral artery. - ANSWER Superior alternating hemiplegia, also known as ___
syndrome occurs in the ___ and presents with symptoms of ___ palsy.
A. Benedikt
B. Dejerine
C. Foville
D. Gubler
E. Weber
A. Midbrain
B. Pons
C. Medulla
A. CN II
B. CN III
C. CN IV
D. CN VI
E. CN XII
C, B, D-most likely caused by a vascular problem of the paramedian branches of the
basilar artery-ANSWER Middle alternating hemiplegia, also called ___ syndrome, occurs
in the ___ and causes symptoms associated with ___ palsy.
,A. Benedikt
B. Dejerine
C. Foville
D. Gubler
E. Weber
A. Midbrain
B. Pons
C. Medulla
A. CN II
B. CN III
C. CN IV
D. CN VI
E. CN XII
B, C, E (most likely caused by a vascular problem of the anterior spinal artery) -
ANSWER Inferior alternating hemiplegia, also known as ___ syndrome, occurs in the ___
and gives rise to symptoms related to ___ palsy.
A. Benedikt
B. Dejerine
C. Foville
D. Gubler
E. Weber
A. Midbrain
, B. Pons
C. Medulla
A. CN II
B. CN III
C. CN IV
D. CN VI
E. CN XII
F This is a left lateral medullary infarct, or Wallenberg syndrome, or posterior inferior
cerebellar artery syndrome this would cause symptoms associated with the nucleus
ambiguus, spinal trigeminal nucleus, and spinothalamic tract - ANSWER Identify the
pathology.
A. Benedikt
B. Dejerine
C. Foville
D. Gubler
E. Weber
F. Wallenberg
A In a coronal cut view, the caudate nuclei are in the wall of the lateral ventricles medial
to the putamen, just above the thalamus. - ANSWER Identify the indicated structures.
A. Cauadate nuclei
B. Putamen
C. Thalamus
D. Globus pallidus
E. Internal capsule
A In a transverse view, the caudate nuclei are anterior to the anterior limb of the internal
capsule in the wall of the lateral ventricle - ANSWER Identify the indicated structure.
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