Cranial Nerves (New)

Question 1

What nerve is involved with loss of taste sensation of posterior 1/3 tongue and impaired swallowing?

Answer 1

Glossopharyngeal (9)

Question 2

What nerve is responsible for sensation to the anterior 2/3rds of tongue (lingual nerve)?

Answer 2

Trigeminal (5)

Question 3

What never is responsible for eye movements like accommodation, lid opening and constricted pupils via the medial rectus muscle?

Answer 3

Oculomotor (3)

Question 4

What never is responsible for facial expressions, saliva, taste to anterior 2/3rds of tongue, stapedius muscle in the middle ear and closing eyelids?

Answer 4

Facial (7)

Question 5

What nerve is responsible for tongue / chewing movements and speech? Dysfunction leads to tongue deviation to the side of the lesion.

Answer 5

Hypoglossal (12)

Question 6

What nerve dysfunction causes palate droop, dysphagia, deviation of uvula away from lesion side and some loss of gag reflux?

Answer 6

Vagus (10)

Question 7

What nerve dysfunction results in tongue deviation toward the affected side during tongue protrusion?

Answer 7

Hypoglossal (12)

Question 8

What cranial nerve is responsible for epiglottal and esophageal taste buds?

Answer 8

Vagus (10)

Question 9

A 50yo female is brought to the ED for recent onset of complex partial seizures. A contrast MRI shows an extra-axial mass, hyperostosis (thickened bone) and calcification of tumor. What is the likely diagnosis?

Answer 9

Meningioma