3.7 Cranial Nerves & Skull Foramina

Question 1

Where does each cranial nerve emerge from?

Answer 1

Question 2

Functions of CN I?

Answer 2

Question 3

Functions of CN II?

Answer 3

Question 4

Lesions of CN II and corresponding visual deficits?

Answer 4

Question 5

Which CNs pass through the SOF?

Answer 5

CN III, IV, V_1, VI

Question 6

Clinical presentation of a lesion in CN III?

Answer 6

Question 7

Danger Triangle

Answer 7

Question 8

Which 3 foramina do the branches of CN V (Trigeminal) pass through?

Answer 8

Question 9

What are the 3 divisions of CN V?

Answer 9

• Ophthalmic (V1)
• Maxillary (V2)
  
  • Mandibular (V3)

Question 10

Sensory distribution of CN V₁ (opthalmic division)

Answer 10

Question 11

Sensory Distribution of CN V₂

Answer 11

Question 12

Sensory distribution of V₃

Answer 12

• Skin overlying mandible
• Floor of mouth
• Mandibular teeth
• Anterior tongue

Question 13

Motor Distribution of V₃

Answer 13

•Muscles of mastication
–Temporalis
–Masseter
–Med. & lat. pterygoids

Question 14

Motor and Sensory distribution of CN VII

Answer 14

•Motor
–Muscles of facial expression

•Sensory
–Special sensation
•Taste
–Ant. 2/3 of tongue

Question 15

Motor Branches of CN VII

Answer 15

Question 16

Location and Sensation of CN VIII

Answer 16

Question 17

Motor and Sensory distribution of CN IX

Answer 17

***TASTE AND SOMATIC SENSATION IN POST. 1/3 OF TOUNGUE***

Question 18

Motor and Sensory distribution of CN X

Answer 18

Question 19

CN XI distribution

Answer 19

Question 20

CN XII exits the skull through ________

Answer 20

the hypoglossal canal

Question 21

CN XII distribution

Answer 21

Question 22

Parasympathetic ganglia table

Answer 22