Cranial Nerves Flashcards
1
Q
Cranial nerves that do not emerge from the brainstem:
- Olfactory
- Optic
- Oculomotor
- A, B
- A, B, C
A
A, B
2
Q
Cranial nerves originating from the midbrain:
- Oculomotor
- Trochlear
- Trigeminal
- A, B
- A, B, C
A
A, B
3
Q
Cranial nerves originating from the pons:
- Trigeminal
- Abducens
- Vagus
- A, B
- A, B, C
A
A, B
4
Q
Cranial nerves originating from the medulla:
- Glossopharyngeal
- Vagus
- Spinal accessory
- A, B
- A, B, C
A
A, B, C
5
Q
General sensations:
- Relayed by spinal nerves
- Relayed by cranial nerves
- A, B
- Neither
A
A, B
6
Q
Special sensations:
- Relayed by spinal nerves
- Relayed by cranial nerves
- A, B
- Neither
A
Relayed by cranial nerves
7
Q
Smell, sight, hearing:
- Special senses
- General senses
- A,B
- Neither
A
Special senses
8
Q
Oculomotor nerve has:
- Somatic motor function
- Visceral motor function
- A, B
- Neither
A
A, B
9
Q
Cranial nerves motor to extraocular muscles:
- III
- IV
- V
- A, B
- A, B, C
A
A, B
10
Q
The medial rectus:
- Abducts the eye
- Adducts the eye
A
Adducts the eye
11
Q
Tests cranial nerve VI:
- Medial rectus
- Lateral rectus
A
Lateral rectus
12
Q
Which cranial nerve is tested if the eye looks down and adducts?
- Oculomotor
- Trochlear
- Abducens
- Neither
A
Trochlear
13
Q
Sensory innervation of the face:
- Oculomotor
- Trochlear
- Abducens
- Neither of the choices
A
Neither of the choices
14
Q
Cranial nerve for general sensation of the tongue, mandibular teeth, and gums:
- Trigeminal nerve
- Glossopharyngeal nerve
- Facial nerve
- Neither of the choices
A
Trigeminal nerve
15
Q
Innervates the masseter, temporalis and pterygoid muscles:
- Glossopharyngeal
- Facial nerve
- Vagus nerve
- Neither of the choices
A
Neither of the choices
16
Q
Which is innervated by the facial nerve?
- Frontalis
- Zygomaticus
- Orbicularis oculi
- A, B
- A, B, C
A
A, B, C
17
Q
The chorda tympani:
- Is a branch of the facial nerve
- Provides the general sensation of the tongue
- Innervates the tympanic membrane
- A, B
- A, B, C
A
Is a branch of the facial nerve
18
Q
The facial nerve:
- Closes the eye
- Tastes the pie
- Innervates the parotid gland
- A, B
- A, B, C
A
A, B
19
Q
The vestibulocochlear nerve carries:
- Special sensory
- Somatic efferent
- Both
- Neither
A
Special sensory
20
Q
Lesions in CN VIII cause:
- Hearing impairment
- Vertigo
- Loss of balance
- A, B
- A, B, C
A
A, B, C
21
Q
Glossopharyngeal nerve CN IX:
- Provides taste to the posterior 1/3 of the tongue
- Conveys general sensations of the tongue
- Innervates the stylopharyngeus
- A, B
- A, B, C
A
A, B, C
22
Q
The Vagus nerve innervates muscles of:
- Larynx
- Pharynx
- Palate
- A, B
- A, B, C
A
A, B, C
23
Q
The vagus nerve:
- Provides general sensations of larynx and pharynx
- Is tested in the gag reflex with the CN XII
- A, B
- A, B, C
A
Provides general sensations of larynx and pharynx
24
Q
The right spinal accessory nerve innervates the muscle that causes the head to (Note: Look for the specific action of the muscle):
- Bend to the right and look to the left
- Bend to the right and look to the right
- Bend to the left and look to the right
- Bend to the left and look to the left
A
Bend to the right and look to the left
25
If the tongue is pointing forward symmetrically upon testing:
- The glossopharyngeal nerves left and right are intact
- The vagus nerves left and right are intact
- Neither of the choices
Neither of the choices
26
Horner’s syndrome features:
- Ptosis
- Anhidrosis
- Miosis
- A, B
- A, B, C
A, B, C
27
The sympathetic innervation to the head comes from:
- The cranial nerves III, VII, IX, and X
- Thoracic spinal cord T1
- The vagus nerve
- A, B
- None of the choices
Thoracic spinal cord T1
28
Which of the following cranial nerves originate from the medulla?
- Vestibulocochlear
- Oculomotor
- Spinal accessory
- Facial
Vestibulocochlear
29
Which group of cranial nerves supply the extraocular muscles?
- V, VI and VII
- IX and X
- II, III and IV
- III, IV, and VI
III, IV, and VI
30
Which of the following illustrate the function of the facial nerve?
- Salivation of the parotid gland
- Movement of the jaw
- Sensation of the cheek
- Closes the eye
Sensation of the cheek
31
Sensory innervation of the face is provided by which cranial nerve?
- Trochlear
- Oculomotor
- Abducens
- Trigeminal
Trigeminal
32
The oculomotor nerve:
- CN IV
- CN I
- CN II
- CN III
CN III
33
Which of the following exteaocular muscles is innervated by cranial nerve VI?
- Lateral rectus
- Medial rectus
- Superior oblique
- Inferior oblique
Lateral rectus
34
The vestibulocochlear nerve carries _____:
- Sensory
- Both of the choices
- Motor
Sensory
35
Cranial nerve for general sensation of the mandibular teeth, and gums:
- Trigeminal nerve
- Vagus nerve
- Facial nerve
- Glossopharyngeal nerve
Trigeminal nerve
36
Which cranial nerve is tested if the eye looks down and in?
- Trochlear
- Oculomotor
- Abducens
Oculomotor
37
Which of the following cranial nerves exit from the pons?
- Trochlear
- Oculomotor
- Hypoglossal
- Trigeminal
Trigeminal
38
Cranial nerves motor to extraoccular muscles:
- CN III
- CN V
- Both
- Neither
Both
39
This cranial nerve innervates the superior oblique muscle:
- CN II
- CN III
- CN IV
- CN VI
CN IV
40
Cranial nerves originating from the pons:
- Trigeminal
- Abducens
- Both
- Neither
Both
41
This cranial nerve innervates the lateral rectus muscle:
- CN II
- CN III
- CN IV
- CN VI
CN VI
42
A patient who has visual acuity problems most likely has problems with this cranial nerve:
- CN I
- CN II
- CN VII
- None of these
CN II
43
Your patient is unable to smell. You suspect there is a lesion in Cranial Nerve:
- I
- II
- III
- IV
I
44
Cranial nerves originating from the medulla:
- Glossopharyngeal
- Vagus
- Spinal accessory
- All of these
All of these
45
You noted that your patient has irregularities in his extraoccular movement. Which cranial nerves may possibly be affected?
- CN III
- CN IV
- CN VI
- All of these
All of these
46
Bell's Palsy presents with weakness of the muscles on one side of the face. It may affect this Cranial Nerve:
- Trigeminal
- Facial
- Both
- Neither
Facial
47
Your patient is unable to feel any sensation on the right side of the face. Which may be affected?
- Right trigeminal nerve
- Left trigeminal nerve
- Right facial nerve
- Left facial nerve
Right trigeminal nerve
48
Your patient has sensorineural hearing loss. Which nerve is most possibly affected?
- CN III
- CN VIII
- CN IX
- CN X
CN VIII
49
Your stroke patient has absent gag reflex. Which nerve/s may be affected?
- CN IX
- CN X
- Both
- Neither
Both
50
When your patient protrudes her tongue, it deviates to the right side. Which cranial nerve may be affected?
- Right CN XII
- Left CN XII
- Right CN XI
- Left CN XI
Right CN XII
51
Your patient presents with winging of the right scapula. He is also unable to shrug his right shoulder. Which cranial nerve may be affected?
- CN IX
- CN X
- CN XI
- CN XII
CN XI
52
Occulomotor nerve is also known as:
- CN II
- CN III
- CN V
- None of these
CN III
