Anatomy

Question 1

Which muscle originates at the root of the tongue and occupies the lower sides of the tongue but is absent in the medial tongue base?

A. Inferior longitudinal muscle
B. Extrinsic genioglossus muscle
C. Styloglossus
D. Superior longitudinal muscle

Answer 1

A. Inferior longitudinal muscle

The inferior longitudinal muscle is a narrow band that is located under the tongue between the hyoglossus and genioglossus. It courses from the root of the tongue to the apex. This muscle changes the shape of the tongue and helps with mastication and swallowing

Question 2

Damage to the sensory component of the lingual nerve, a mandibular branch of the CN V (trigeminal nerve) would result in loss of tactile sensation to the…

Answer 2

Anterior Two-Thirds

Question 3

A 40 yr old was diagnosed with Wallenberg Syndrome after suffering a stroke. Based on diagnosis, what part of the brain would you expect to have damage?

Answer 3

Brainstem

Question 4

Intrinsic muscles of the larynx serve important functions in phonation. Some are primarily vibrating muscles, whereas others, by their actions, affect the actions of the vocal folds and the resulting quality of phonation. Of the statements that follow, select the one that is incorrect.

Answer 4

Transverse arytenoids are laryngeal abductors