Cranial Nerves

Question 1

Purely SENSORY

Answer 1

CN I, II, VIII

Question 2

Purely MOTOR

Answer 2

CN III, IV, VI, XI, XII

Question 3

MIXED

Answer 3

CN V, VII, IX, X

Question 4

Supratentorial structures

Answer 4

CN I and CN II

Question 5

CN in the Midbrain

Answer 5

III and IV

Question 6

CN in the Pons

Answer 6

V, VI, VII, VIII

Question 7

CN in the Medulla

Answer 7

IX, X, XI, XII

Question 8

Cranial nerves with Parasympathetic component

Answer 8

Oculomotor (III)
Facial (VII)
Glossopharyngeal (IX)
Vagus (X)

Question 9

The MOST SLENDER of the crania nerves

Answer 9

Trochlear (IV)

Question 10

The LARGEST cranial nerve

Answer 10

Trigeminal (V)

ANTERIOR division - MOTOR to muscles of mastication

POSTERIOR DIVISION - SENSORY to the FACE and GENERAL SENSATION to the anterior 2/2 of the tongue

Question 11

Branches of the Trigeminal Nerve

Answer 11

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

Question 12

Branches of the Facial Nerve

Answer 12

Greater Petrosal
Nerve to Stapedius
Chorda tympani
Posterior Auricular
Terminal Branches

Question 13

Terminal Branches of the Facial Nerve

Answer 13

Temporal branches

Zygomatic branches

Buccal branches

Marginal mandibular branches

Cervical branches

Question 14

Paralysis of muscles of facial expression

(-) special sensation on anterior 2/3 of the tongue

dry mouth

(-) tears

hyperacusis

Answer 14

Bell’s Palsy

Question 15

Episodes of sharp, stabbing pain that radiates over areas innervated by sensory or branches of the maxillary or mandibular divisions of CN V

Triggered by moving the mandible, smiling or yawning or by cutaneous stimulation

Answer 15

Trigeminal Neuralgia (Tic Douloureux)