Cranial Nerves

Question 1

Tongue movements present, dysfunctional; protrusion reflex may be exaggerated.
Which CN am I?

Answer 1

XII - Hypoglossal

Question 2

Normal strength in soft palate

Answer 2

IX- Glossopharyngeal

Question 3

Which are the primary CNs involved in swallowing?

Answer 3

V - trigeminal 
VII - Facial 
IX - Glossopharyngeal 
X - Vagus
XII - Hypoglossal

Question 4

Presentation: tongue movements present, dyfunctional; protrusion reflex may be exaggerated.

Which nerve? Supranuclear or nuclear/peripheral damage?

Answer 4

XII - Hypoglossal

Supranuclear

Question 5

Presentation: Normal strength in soft palate, vocal fold movement, VF movement preserved.

Which nerves (2)? Supranuclear or nuclear/peripheral damage?

Answer 5

IX - Glossopharyngeal
X - Vagus

Supranuclear

Question 6

Presentation: mandible movements preserved, tonic bite reflex.

Which nerve? Supranuclear or nuclear/peripheral damage?

Answer 6

V - Trigeminal

Supranuclear

Question 7

Presentation: Paralysis of lower half of face, usually unilateral.

Which nerve? Supranuclear or nuclear/peripheral damage?

Answer 7

VII - Facial

Supranuclear

Question 8

Presentation: Unilateral or bilateral absence of tongue movments, fasciculations, atrophy.

Which nerve? Supranuclear or nuclear/peripheral damage?

Answer 8

XII - Hypoglossal

Nucelar/Peripheral

Question 9

Presentation : Paralysis of upper and lower half of face - can be unilateral or bilateral.

Which nerve? Supranuclear or nuclear/peripheral damage?

Answer 9

VII - Facial

Nuclear/Peripheral

Question 10

Presentation: Mandible movements minimal, absent tonice bite reflex.

Which nerve? Supranuclear or nuclear/peripheral damage?

Answer 10

V - Trigeminal

Nuclear/Peripheral