Multiple Choice
Some drugs that are used to treat the nervous system act by modulating synaptic activity; drugs that enhance the effects of a neurotransmitter are known as _______, whereas those that block the effects of a neurotransmitter are called _______.
A) hyperpolarizers; depolarizers
B) transmitters; blockers
C) ionotropic; metabotropic
D) chemical; electrical
E) agonists; antagonists
Correct Answer:

Verified
Correct Answer:
Verified
Q150: Axons carry information away from the cell
Q151: Limb movement is controlled by sets of
Q152: Which statement about acetylcholine receptors is false?<br>A)
Q153: If the permeability of K<sup>+</sup> channels in
Q154: Anesthetics and alcohol can permeate the blood-brain
Q156: The part of the brain called the
Q157: If Na<sup>+</sup> channels open and sodium ions
Q158: The acetylcholine receptor is restored to its
Q159: Refer to the figure showing a neuromuscular
Q160: Some nerve gases inhibit _, causing acetylcholine