Cranial Nerves

Question 1

What are the names of the 12 cranial nerves?

Answer 1

Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Vestibulocochlear, Glossopharyngeal, Vagus, Accessory, Hypoglossal.

Question 2

What does the Olfactory nerve control?

Answer 2

Sense of smell.

Question 3

Which cranial nerve is responsible for vision?

Answer 3

Optic nerve.

Question 4

What function does the Oculomotor nerve serve?

Answer 4

Controls most eye movements and pupil constriction.

Question 5

True or False: The Trochlear nerve is the only cranial nerve that exits from the dorsal aspect of the brainstem.

Answer 5

True.

Question 6

What does the Trigeminal nerve control?

Answer 6

Facial sensation and mastication (chewing).

Question 7

Which cranial nerve is responsible for lateral eye movement?

Answer 7

Abducens nerve.

Question 8

What are the primary functions of the Facial nerve?

Answer 8

Controls facial expressions, taste from the anterior two-thirds of the tongue, and some functions of salivary and lacrimal glands.

Question 9

What does the Vestibulocochlear nerve control?

Answer 9

Hearing and balance.

Question 10

What is the primary function of the Glossopharyngeal nerve?

Answer 10

Taste from the posterior one-third of the tongue and swallowing.

Question 11

True or False: The Vagus nerve is involved in regulating heart rate and digestion.

Answer 11

True.

Question 12

What does the Accessory nerve control?

Answer 12

Shoulder and neck muscles.

Question 13

What is the main function of the Hypoglossal nerve?

Answer 13

Controls tongue movements.

Question 14

Fill in the blank: The sensory function of the Trigeminal nerve has ___ branches.

Answer 14

Three.

Question 15

Which cranial nerve is tested by asking a patient to smell a substance?

Answer 15

Olfactory nerve.

Question 16

What test is commonly used to assess the Optic nerve?

Answer 16

Visual acuity test.

Question 17

How is the Oculomotor nerve tested?

Answer 17

By checking pupil response and eye movement.

Question 18

What test assesses the function of the Trigeminal nerve?

Answer 18

Light touch and pain sensation tests on the face.

Question 19

Which cranial nerve is assessed by the ability to follow a moving object with the eyes?

Answer 19

Oculomotor, Trochlear, and Abducens nerves.

Question 20

What is the primary method to test the Facial nerve?

Answer 20

Asking the patient to smile or frown.

Question 21

How is the Vestibulocochlear nerve tested?

Answer 21

By performing a hearing test and balance assessment.

Question 22

What test is used for the Glossopharyngeal nerve?

Answer 22

Gag reflex assessment.

Question 23

True or False: The Vagus nerve can be tested by assessing the uvula’s position.

Answer 23

True.

Question 24

What is the common test for the Accessory nerve?

Answer 24

Shoulder shrug against resistance.

Question 25

How is the Hypoglossal nerve assessed?

Answer 25

By asking the patient to stick out their tongue.

Question 26

What is the mnemonic to remember the order of cranial nerves?

Answer 26

Oh, Oh, Oh, To Touch And Feel Very Green Vegetables, AH.

Question 27

Which cranial nerve is purely sensory?

Answer 27

Olfactory and Optic nerves.

Question 28

Fill in the blank: The ___ nerve is responsible for the sense of taste from the anterior two-thirds of the tongue.

Answer 28

Facial.

Question 29

What cranial nerve is associated with the sense of balance?

Answer 29

Vestibulocochlear nerve.

Question 30

True or False: The Trigeminal nerve has both sensory and motor functions.

Answer 30

True.

Question 31

What is a function of the Vagus nerve that is not related to the heart?

Answer 31

Regulating digestive tract activity.

Question 32

Which cranial nerve can influence speech and swallowing?

Answer 32

Vagus nerve.

Question 33

How many cranial nerves are primarily motor?

Answer 33

Five (Oculomotor, Trochlear, Abducens, Accessory, and Hypoglossal).

Question 34

What does 'CN' stand for in the context of cranial nerves?

Answer 34

Cranial Nerve.

Question 35

Fill in the blank: The ___ nerve is primarily responsible for facial expressions.

Answer 35

Facial.

Question 36

What cranial nerve is tested using the Rinne and Weber tests?

Answer 36

Vestibulocochlear nerve.

Question 37

Which cranial nerve is responsible for sensations from the throat?

Answer 37

Glossopharyngeal nerve.

Question 38

What is the function of the Trochlear nerve?

Answer 38

Innervates the superior oblique muscle of the eye.

Question 39

True or False: The Accessory nerve is also known as the spinal accessory nerve.

Answer 39

True.