Scalp and brain and cranial nerves

Question 1

Scalp layers

Answer 1

• skin
• dense connective tissue
• epicranial aponeurosis
• loose connective tissue
• pericranium

Question 1

CN I name and function

Answer 1

• olfactory
• sense of smell

Question 2

CN II name and function

Answer 2

• optic
• sense of sight/vision

Question 3

CN III name and function

Answer 3

• oculomotor
• motor - eye movements

Question 4

CN IV name and function

Answer 4

• trochlear
• motor - eye movements

Question 5

CN V name and function

Answer 5

• trigeminal
• sensation: head and cavities
• motor: muscles of mastication

Question 6

CN VI name and function

Answer 6

• abducens
• motor: eye movements

Question 7

CN VII name and function

Answer 7

• facial nerve
• motor - muscles of facial expression
• anterior 2/3 tongue

Question 8

CN VIII name and function

Answer 8

• vestibulocochlear
• hearing and balance

Question 9

CN IX name and function

Answer 9

• glossopharyngeal
• general sensation: posterior 1/3 tongue and oropharynx

Question 10

CN X name and function

Answer 10

• vagus
• general sensation: pharynx and larynx
• motor to pharynx and larynx
• parasympathetic heart, lungs, gi tract

Question 11

CN XI name and function

Answer 11

• spinal accessory nerve
• motor: sternocleidomastoid and trapezius

Question 12

CN XII name and function

Answer 12

• hypoglossal
• motor: tongue

Question 13

What are cranial meninges?

Answer 13

membranes layers protecting the brain