Neurotransmitters are
A) chemicals that cause us to act and react to various stimuli.
B) produced by liver cells.
C) chemicals that are only released during pregnancy.
D) always traveling great distances in the body.
E) all identical to each other.

Question

Quizplus · Accepted Answer

Neurotransmitters are chemicals that transmit signals between neurons and cause us to act and react to various stimuli.

Answer: B, C, D, and E are all incorrect 
 B is incorrect because neurotransmitters are not produced by liver cells. C is incorrect because neurotransmitters are not only released during pregnancy. D is incorrect because neurotransmitters may only travel a short distance depending on the synapse they are involved in. E is incorrect because there are many different types of neurotransmitters with unique chemical structures and functions.

Neurotransmitters Are