Morphine, a neurotransmitter, mimics the actions of endorphins by stimulating receptors in the brain and spinal cord associated with pleasure and pain. Morphine, therefore, is an example of a(n)
A. antagonist.
B. synapse.
C. agonist.
D. stressor.
Answer: C
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Generally, personality disorders tend to be ego-syntonic in nature, which means that people with personality disorders
a. have other disorders as well. b. do not see their disorders as problems. c. have tremendous insight into their problems. d. are distressed by and perhaps ashamed of their problems.
Which of the following helps couples select the gender of the child?
A. in vitro fertilization B. donor IVF C. motility D. preimplantation genetic diagnosis
A teacher wants to increase the academic performance of the students in her class. The children receive stickers each time they complete an academic task, and when they have accumulated a certain number of stickers they can exchange them for 15 minutes of playing computer games. This program that uses conditioned reinforcers to strengthen a desirable behavior is referred to as:
a. differential reinforcement b. respondent conditioning c. behavioral skills training d. a token economy
Although Jan would be described as very extroverted, she will be more extroverted at a party than when she is attending church. This observation supports the concept of
a. trait-situation interaction. b. behavioral genetic determinants. c. situational fixations. d. possible selves.