CMT Orofacial Anatomy & Physiology 4

Question 1

Which muscle retracts the tongue during swallowing?

Accepted Answer

Styloglossus

Answer

The styloglossus retracts and elevates the tongue, originating from the styloid process of the temporal bone.

Question 2

The uvula is a muscular projection formed primarily by which muscle?

Accepted Answer

Musculus uvulae

Answer

The musculus uvulae is the intrinsic muscle within the uvula that shortens and elevates it during velopharyngeal closure.

Question 3

Which articular disc is found within the TMJ?

Accepted Answer

Fibrocartilaginous disc

Answer

The TMJ contains a fibrocartilaginous disc that divides the joint into upper and lower compartments.

Question 4

The tensor veli palatini muscle is innervated by which nerve?

Accepted Answer

CN V3

Answer

The tensor veli palatini is innervated by the mandibular branch of the trigeminal nerve (CN V3), unlike most palatal muscles.

Question 5

In a typical adult, how many teeth are in the permanent dentition?

Accepted Answer

32

Answer

The complete adult permanent dentition consists of 32 teeth, including four third molars (wisdom teeth).

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