The Most Common Excitatory Neurochemical in the Central Nervous System

question 124

Multiple Choice

The most common excitatory neurochemical in the central nervous system is​ 

• A)serotonin. 
• B)ACh. 
• C)GABA. 
• D)glutamate.

---

Definitions:

Rotates

To turn or revolve around an axis or a center.

Facial Nerve

The seventh cranial nerve responsible for controlling most of the muscles of facial expression and conveying taste sensations from the anterior two-thirds of the tongue.

Extrinsic Eye Muscles

A group of six muscles that control the movements of the eye and are responsible for holding the eyes in the orbits.

Abducens Nerve

The sixth cranial nerve, responsible for controlling the lateral rectus muscle of the eye, which abducts the eyeball (moves it outward).