If Ca++ was blocked,
a. Na+ would be stuck inside of the cell.
b. neurotransmitters could not be released from the cell.
c. voltage-gated ion channels would remain closed.
d. passive channels would close.
e. passive channels would open.
Answer: b. neurotransmitters could not be released from the cell.
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Rebecca is trying to recover from alcoholism. Her therapist is attempting to help her reduce the abstinence violation effect. This is a problem for Rebecca because as soon as she has even a small drink, she thinks,
a. "I am a worthless person." b. "I can recover on my own; I don't need help." c. "I'm only doing something wrong if it's illegal." d. "I've messed up; I may as well go ahead and get drunk."
Nerve damage leading to neurological impairment is a function of chronic exposure to inhalant drugs. How might inhalants affect this system?
A) They restrict the flow of blood. B) They block neurotransmitters. C) They cause fat to build up around nerve cells. D) They damage the myelin.