Lecture 21 Flashcards
All of the following CN carry parasympathetic information except:
a. CN III
b. CN VII
c. CN IX
d. CN XI
D. CN XI
What 2 modalities does CN III carry?
a. GSM; GVM
b. GSM; SSS
c. SSS; SVS
d. SVM; GVM
A. GSM; GVM
The cell bodies of the motor neurons for what CN are found in the occulomotor nuclear complex?
a. CN I
b. CN III
c. CN IX
d. CN IV
B. CN III
What is the name of the first branch (V1) of CN V?
a. Opthalamic
b. Mandibular
c. Maxillary
d. Zygomatic
A. Opthalamic
What is the name of the second branch (V2) of CN V?
a. Opthalamic
b. Mandibular
c. Maxillary
d. Zygomatic
C. Maxillary
What is the name of the third branch (V3) of CN V?
a. Opthalamic
b. Mandibular
c. Maxillary
d. Zygomatic
B. Mandibular
This nerve enters the orbit along with the occulomotor, trochlear, and abducens nerves and is the general sensory nerve to the orbit and its contents.
a. V1
b. V2
c. V3
d. CN IV
A. V1
This nerve provides sensation to the maxillary region.
a. V1
b. V2
c. V3
d. CN IV
B. V2
This nerve provides sensation to the mandibular region.
a. V1
b. V2
c. V3
d. CN IV
C. V3
What is the name of CN III?
a. Optic
b. Olfactory
c. Trochlear
d. Occulomotor
D. Occulomotor
What is the name of CN V?
a. Trochlear
b. Hypoglossal
c. Trigeminal
d. Abducens
C. Trigeminal
This nerve is not a parasympathetic nerve, but is often discussed alongside parasympathetic nerves.
a. CN III
b. CN V
c. CN VII
d. CN X
B. CN V
The preganglionics of CN III originate from where?
a. Ciliary ganglion
b. Edinger-Westphal nucleus
c. Superior orbital fissure
d. Levator palpebrae superioris
B. Edinger-Westphal nucleus
What 2 modalities does CN V carry?
a. GSS; SSS
b. SVM; GVM
c. SSS; SVM
d. GSS; SVM
D. GSS; SVM (GSS for sensory to the face and SVM for muscles of mastication)
What nerve is the largest of the 12 CNs?
a. CN I
b. CN III
c. CN IX
d. CN V
D. CN V
CN V has cell bodies of sensory neurons located in the _______.
a. Semilunar ganglion
b. Edinger-Westphal nucleus
c. Ciliary ganglion
d. Occulomotor complex
A. Semilunar ganglion (also called trigeminal ganglion)
CN V has cell bodies of motor neurons located in the _____.
a. Semilunar ganglion
b. Edinger-Westphal nucleus
c. Masticator nucleus
d. Ciliary ganglion
C. Masticator nucleus
CN VII carries all of the following modalities except:
a. SVM
b. SVS
c. SSS
d. GSS
e. GVM
C. SSS
Motor branches of CN VII include all of the following except:
a. Maxillary
b. Mandibular
c. Buccal
d. Temporal
A. Maxillary
Cell bodies of these motor neurons of CN VII are found in the motor nucleus of CN VII and exit through the stylomastoid foramen.
a. SVM
b. SVS
c. GSS
d. GVM
A. SVM
Cell bodies of these sensory neurons of CN VII are located in the geniculate ganglion and carry taste sensation from anterior 2/3’s of tongue and the hard and soft palates.
a. SVM
b. SVS
c. GSS
d. GVM
B. SVS
Cell bodies of these sensory neurons of CN VII are located in the geniculate ganglion and supply part of the external ear.
a. SVM
b. SVS
c. GSS
d. GVM
C. GSS
Cell bodies of preganglionic neurons of CN VII are located in the superior salivatory nucleus and the lacrimal nucleus and supply the lacrimal gland and mucous glands.
a. SVM
b. SVS
c. GSS
d. GVM
D. GVM
Modalities of CN IX include all of the following except:
a. SSS
b. SVM
c. GVM
d. GVS
e. GSS
f. SVS
A. SSS
Cell bodies of these motor neurons of CN IX are found in the nucleus ambiguous and supply the stylopharyngeus muscle.
a. SVM
b. GVM
c. GVS
d. GSS
e. SVS
A. SVM
Cell bodies of these sensory neurons of CN IX are found in the inferior ganglion and carry sensation from the carotid body and carotid sinus.
a. SVM
b. GVM
c. GVS
d. GSS
e. SVS
C. GVS
Cell bodies of these sensory neurons of CN IX are found in the superior or inferior ganglion and carry sensation from the posterior 1/3 of the tongue, external ear, and middle ear cavity.
a. SVM
b. GVM
c. GVS
d. GSS
e. SVS
D. GSS
Cell bodies of these preganglionic neurons of CN IX are found in the inferior salivatory nucleus and supply the parotid galnd.
a. SVM
b. GVM
c. GVS
d. GSS
e. SVS
B. GVM
Cell bodies of these sensory neurons of CN IX are found in the inferior ganglion and carry taste sensation from the posterior 1/3 of the tongue.
a. SVM
b. GVM
c. GVS
d. GSS
e. SVS
E. SVS
What CN provides motor innervation to the muscles of the larynx that are important in swallowing and speaking?
a. CN III
b. CN IX
c. CN X
d. CN VII
C. CN X
What is the name of CN VII?
a. Trigeminal
b. Vagus
c. Facial
d. Abducens
C. Facial
What is the name of CN X?
a. Vagus
b. Facial
c. Trigeminal
d. Hypoglossal
A. Vagus
What is the name of CN IX?
a. Hypoglossal
b. Vagus
c. Facial
d. Trigeminal
A. Hypoglossal
This CN is the major parasympathetic nerve to the thoracic and abdominal organs.
a. CN III
b. CN V
c. CN IX
d. CN X
D. CN X
Modalities of CN X include all of the following except:
a. SVM
b. GVM
c. SSS
d. GVS
e. GSS
C. SSS
Cell bodies of these motor neurons of CN X are found in the nucleus ambiguous and supply most of the striated muscles of the pharynx and larynx.
a. SVM
b. GVM
c. GVS
d. GSS
A. SVM
Cell bodies of these sensory neurons of CN X are found in the superior and inferior ganglia and carry sensation from the external ear and pharynx.
a. SVM
b. GVM
c. GVS
d. GSS
D. GSS
Cell bodies of these preganglionic neurons of CN X are found in the dorsal motor and supply the smooth muscles of glands of the pharynx and larynx, as well as the thoracic and abdominal viscera.
a. SVM
b. GVM
c. GVS
d. GSS
B. GVM
Cell bodies of these sensory neurons are found in the inferior ganglion and carry sensation from the larynx and pharynx, as well as the thoracic and abdominal viscera.
a. SVM
b. GVM
c. GVS
d. GSS
C. GVS
