Reference no: EM13340697
1. An antagonist operates by__.
a. Altering the amount of neurotransmitter released by a neuron
b. Occupying a neurotransmitter’s receptor sites without changing the cell’s membrane potential
c. Fitting snugly into a neurotransmitter’s receptors and changing a cell’s membrane potential
d. Blocking inactivation
2. Joe has learned to need a certain drug in order to feel confident. He is ___ this drug.
a. Tolerant of
b. Addicted to
c. Psychologically dependent on
d. Physically dependent on
3. Diane has gradually increased her intake of cocaine over a period of time, to obtain the same effect. This phenomenon is called___.
a. Psychoactive addiction
b. Withdrawal
c. Habituation
d. Tolerance
4. Michael ingested a drug that binds directly to his GABA receptors to enhance neurotransmission at GABA synapses. This drug is probably.
a. Cocaine
b. A psychedelic
c. An opiate
d. Alcohol
5. Which of the following effects would you least expect to experience if you had ingested a large amount of alcohol?
a. Increased alertness and response speed
b. Memory problems
c. Reduced motor coordination
d. Reduced inhibitions
6. Tanya took a pill and now says that she feels relaxed and sleepy. She most likely took a(n)______.
a. Psychedelic
b. Barbiturate
c. Amphetamine
d. Antidepressant
7. You are given a drug. Soon you begin to feel very energetic and alert, and you no longer feel hungry. The drug is probably___.
a. Marijuana
b. Heroin
c. LSD
d. An amphetamine
8. Kenneth has just taken a drug that acts very similarly to the body’s own endorphins. It most likely is___.
a. Alcohol
b. Opium
c. LSD
d. marijuana
9. You see a person come into class and take what looks like an aspirin. By the end of class. This person reports seeing weird distoritions of reality (e.g., “seeing colors”). Later, the person panics because he thinks he is going crazy. You guess that the pill was probably___.
a. LSD
b. Valium
c. Cocaine
d. Opium
How much of the supplies variance is due to a change
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Antagonist operates
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