Question

Which cranial nerve controls the movement of muscles in jaw?

• A. 1st cranial nerve
• B. 10th cranial nerve
• C. 12th cranial nerve
• D. 5th cranial nerve

Answer 1

The correct option is D 5th cranial nerve

Mechanical crushing of food occurs in the mouth by teeth. This process is called mastication. The muscles of mouth helps in pushing the food(bolus) into the oesophagus. These movements of muscles in the mouth are controlled by the fifth cranial nerve.