A patient who received a blow to the side of the skull exhibits the following signs and symptoms on that side of the face: he is unable to close his eye and the corner of his mouth droops.
Which cranial nerve has been damaged?

The options are

A) facial

B) glossopharyngeal

C) hypoglossal

D) accessory

The answer is A) Facial

Explanation:

The facial cranial nerve is the seventh cranial nerve and is also known as CN VII. The nerve emerges from the pons of the brainstem, and controls the muscles of facial expression such as closing of the eye, mouth, smiling, frowning etc.

It also functions in the carriage of taste sensations.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.