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Flashcards in Cranial Nerves Deck (16)
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1
Q

What are the cranial nerves? (Definition)

A

The cranial nerves are a set of 12 paired nerves in the back of your brain. Cranial nerves send electrical signals between your brain, face, neck and torso.

2
Q

Olfactory nerve (1)

A

Function: Sense of smell

3
Q

Optic nerve (2)

A

Function: Sense of sight

4
Q

Oculometer (3)

A

Function: Movement of eyeball, constriction of pupil for bright light or near vision
Location: Midbrian

5
Q

Trochlear (4)

A

Function: Movement of eyeball
Location: Midbrain

6
Q

Trigeminal (5)

A

Function: Sensation in face, scalp, and teeth, contraction of chewing muscles
Location: The pons

7
Q

Abducens (6)

A

Function: Movement of eyeball
Location: The pons

8
Q

Facial (7)

A

Function: Sense of taste, contraction of facial muscles, secretion of saliva
Location: The pons

9
Q

Vestibulochlear (8)

A

Function: Sense of hearing, sense of equillibrium
Location: The pons/ medulla oblangata

10
Q

Glosspharyngeal (9)

A

Function: Sense of taste, secretion of saliva, sensory input for cardiac, respiratory, and blood pressure reflexes, contraction of pharynx (swallowing)
Location: Medulla oblangata

11
Q

Vagus (10)

A

Function: sensory input for cardiac, respiratory, and blood pressure reflexes, sensory and motor input to larynx (speaking), decreased heart rate, contraction of alimentary tube (swallowing), increased digestive secretions
Location: Medulla

12
Q

Accessory (11)

A

Function: Contraction of neck and shoulder muscle, motor input to larynx (talking)
Location: Medulla

13
Q

Hypoglossal (12)

A

Function: Movement of tongue
Location: Medulla

14
Q

What cranial nerves are located in the medulla oblangata?

A

Vestibulochlear, glossopharyngeal, vagus, accessory, hypoglossal (8,9,10,11,12)

15
Q

What cranial nerves are located in the pons?

A

Trigeminal, abducens, facial, vestibulochlear (5,6,7,8)

16
Q

What cranial nerves located in brain stem?

A

Oculomotor, trochlear (3,4)