Cranial Nerves Flashcards

(29 cards)

1
Q

Name, Function cranial nerve II

A

Optic, vision

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2
Q

Name & Function cranial nerve III

A

Oculomotor, moves eye up, down, medially; raises upper eyelid; constricts pupil

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3
Q

What function does the trochlear nerve have?

A

moves eye medially and down

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4
Q

What cranial nerve is # V and what function does it have?

A

Trigeminal; facial sensation, chewing, sensation from tmj

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5
Q

What function does cranial nerve # VI have?

A

abducts eye

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6
Q

Name cranial nerve VIII and describe it’s function

A

vestibulocochlear; sensation of head position relative to gravity and head movement, hearing

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7
Q

Which cranial nerve is numbered X and what is its function?

A

Vagus; regulates viscera, swallowing, speech, taste

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8
Q

Which cranial nerve is responsible for swallowing, salivation, and taste?

A

IX, glossopharyngeal

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9
Q

Which cranial nerve is responsible for moving the tongue?

A

hypoglossal, XII

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10
Q

Are cranial nerves located in the PNS or CNS?

A

PNS

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11
Q

Where are cranial nerves located?

A

brain stem

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12
Q

Name & Function Cranial Nerve I

A

Olfatory, smell

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13
Q

What cranial nerves are sensory only?

A

olfactory, optic, vestibulocochlear

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14
Q

what cranial nerves are efferent only?

A

Oculomotor, trochlear, abducens, accessory, hypoglossal

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15
Q

what cranial nerves are both efferent and afferent nerves?

A

trigeminal, facial, glossopharyngeal, vagus

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16
Q

What nerve maybe affected if the patient can’t identify familiar odors?

A

Cranial nerve

17
Q

Patient has difficulty reading an eye exam chart . Patient is unable to identify objects at a reasonable distance. What cranial nerve could be affected?

18
Q

What test could show a positive oculomotor exam?

A

Patient has difficulty following an object (pencil) without rotating their head during the test.

19
Q

Patient is unable to look down and inward. A positive test is indicated by an inability to depress the eyes/or complaints of diplopia. What cranial nerve is injured?

20
Q

Patient is asked to close their eyes while a cotton ball or safety pin is touched to the patients face. If the patient is able to feel either a sharp or dull sensation what cranial nerve is intact?

21
Q

Patient is unable to make a lateral gaze, what cranial nerve is damaged?

22
Q

What would be a good sensory test for the facial nerve ?

A

Patient is asked to differentiate a salty popcorn piece from a sweat one.

23
Q

Patient is unable to close eyes tight and whistle, what cranial nerve could be injured?

24
Q

Patient is tested with a tunning fork to make sure they can hear. What nerve is being tested?

A

Vestibulocochlear

25
Therapist touches the pharynx with a tongue depressor and the patient does not gag, what cranial nerve maybe injured?
Glossopharyngeal or Vagus
26
This cranial nerve has both a sensory and motor component and a test for sensory would be testing the tongue for it's ability to accurately identity sour from bitter food.
Glossopharyngeal
27
Patient is unable to shrug shoulders and maintain the position with manual resistance, what cranial nerve could be injured?
Accessory
28
What test could check for hypoglossal nerve injury?
Asking the patient to stick out their tongue and observing if the tongue fully protrudes or if it deviates?
29
If the gag reflex is absent what would the therapist check additionally to rule out glossopharyngeal damage?
therapist would also examine the movement of the soft palate and uvula