Exit of facial nerve from the skull? – Anatomy MCQ

Facial nerve exits the skull via?
A. Foramen ovale
B. Stylomastoid foramen
C. Foramen rotundum
D. Jugular foramen

Correct answer: B. Stylomastoid foramen

Explanation:

  • Facial nerve exits the pons and enters the internal acoustic meatus along with acoustic nerve.
  • After traversing a short distance in the facial canal, facial nerve exits the skull via stylomastoid foramen and subdivides to supply the facial muscles.
  • Hence, injury to facial nerve at stylomastoid foramen paralyses all muscles of facial expression.

Add a Comment

Your email address will not be published. Comments will be displayed only after moderation.

Read previous post:
Postural orthostatic tachycardia syndrome – Medicine MCQ

Postural orthostatic tachycardia syndrome is characterised by all except? A. Women affected more commonly than men B. Heart rate >...

Close