05b: More CNs Flashcards Preview

Body Structures H&N > 05b: More CNs > Flashcards

Flashcards in 05b: More CNs Deck (17)
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1
Q

Oculomotor nucleus located in:

A

Upper midbrain

2
Q

Trochlear nucleus located in:

A

Lower midbrain

3
Q

Abducens nucleus located in:

A

Pons

4
Q

Hypoglossal nucleus located in:

A

Medulla

5
Q

Trigeminal nucleus located in:

A

Pons

6
Q

Facial nucleus located in:

A

Pons

7
Q

(X) nucleus, which carries motor fibers via CN 9 and 10, is located in:

A

X = nucleus ambiguous

Medulla

8
Q

(X) nucleus, which carries motor fibers via CN 11, is located in:

A

X = cervical accessory

Upper SC

9
Q

Parasympathetic nerve fibers traveling in CN 3 originate in (X) nucleus in brainstem.

A

X = Edinger-Westphal

10
Q

Parasympathetic nerve fibers traveling in CN 7 originate in (X) nucleus in brainstem.

A

X = superior salivary

11
Q

Parasympathetic nerve fibers traveling in CN 9 originate in (X) nucleus in brainstem.

A

X = inferior salivary

12
Q

Parasympathetic nerve fibers traveling in CN 10 originate in (X) nucleus in brainstem.

A

X = dorsal motor nucleus of X

13
Q

Patient has hoarseness in voice and left-deviation of uvula on phonation. Which nerve damaged?

A

Right vagus

14
Q

Carotid artery bifurcation occurs at level of which landmark in pharynx/larynx?

A

Superior border of thyroid cartilage

15
Q

The afferent limb of gag reflex is a mediated by (X) branch of (Y) nerve. (Z) nerve mediates efferent limb of this reflex.

A
X = pharyngeal
Y = glossopharyngeal
Z = vagus
16
Q

The pupillary light reflex involves (X) nerve as the afferent limb and (Y) nerve as the efferent limb

A
X = optic
Y = oculomotor
17
Q

Ipsilateral slowness of the pupillary response to light is the first sign of (compression/lesion) in:

A

Compression of the oculomotor nerve