Drugs that block a neurotransmitter' activity are called
A) agonists.
B) antagonists.
C) excitatory.
D) reuptake inhibitors.
Answer: B
Rationale: Drugs classified as antagonists inhibit neurotransmitter activity by blocking receptors or preventing synthesis of a neurotransmitter. For example, taking a dopamine antagonist will reduce dopamine activity in the brain.
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The age of viability
A) is the point at which the baby can first survive if born early. B) occurs sometime between 18 and 21 weeks. C) is the point at which the baby can be born without being premature. D) occurs sometime during the second trimester of pregnancy.
Research by Vohs and colleagues (2006) demonstrates the effects of leading participants to think about money. Which of the following is not one of those effects?
a. People tend to prefer to work alone as opposed to in groups. b. People tend to fail to ask for help with a problem they are having trouble solving. c. People tend to encroach on the personal space of other people, standing too close to them or engaging in unwanted physical touching. d. People tend to offer less help to others who are clearly in need of assistance.