Neuroanatomy - PNS / Cranial Nerves

Question 1

What are the 12 Cranial Nerves

Answer 1

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Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Auditory (Vestibulocochlear), Glossopharyngeal, Vagus, Spinal accessory, Hypoglossal

Question 2

Olfactory Cranial Nerve

Answer 2

Number: 1
System: Olfactory
General Function: Sensory
Specific Function: transmit smell sensory input

Question 3

Optic Cranial Nerve

Answer 3

Number: 2
System: Visual
General Function: Sensory
Specific Function: Transmit Visual Sensory Input

Question 4

Oculomotor Cranial Nerve

Answer 4

Number: 3
System: Visual
General Function: Motor
Specific Function: Eye movement

Question 5

Trochlear Cranial Nerve

Answer 5

Number: 4
System: Visual
General Function: Motor
Specific Function: Eye movement

Question 6

Trigeminal Cranial Nerve

Answer 6

Number: 5
System: Motor speech and swallowing
General Function: Sensory and motor
Specific Function: innervates face and jaw muscles

Question 7

Abducens Cranial Nerve

Answer 7

Number: 6
System: Visual
General Function: Motor
Specific Function: Stimulates Eye Muscles

Question 8

Facial Cranial Nerve

Answer 8

Number: 7
System: Motor Speech and swallowing
General Function: Sensory and motor
Specific Function: Operates most facial muscles

Question 9

Vestibulocochlear (auditory) cranial nerve

Answer 9

Number: 8
System: Audition and Balance
General Function: Sensory
Specific Function: Transmit sound and balance input

Question 10

Glossopharyngeal Cranial Nerve

Answer 10

Number: 9
System: Motor speech and swallowing
General Function: Sensory and motor
Specific function: innervates the tongue and pharynx

Question 11

Vagus Cranial Nerve

Answer 11

Number: 10
System: Motor speech and swallowing
General Function: Sensory and Motor
Specific Function: controls heart and digestive tract

Question 12

Spinal Accessory Cranial Nerve

Answer 12

Number: 11
System: motor speech and swallowing
General Function: motor
Specific function: movement of head and shoulders

Question 13

Hypoglossal Cranial Nerve

Answer 13

Number: 12
System: motor speech and swallowing
General Function: motor
Specific Function: motor control of swallow and speech

Question 14

Which Cranial Nerves are Sensory, motor or both

Answer 14

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