Codeine, morphine, and heroin produce pain relief and a sense of euphoria. They mimic the effects of the body’s natural opioids, which include __________
A) endorphins and enkephalins
B) oxycodone and oxycontin
C) dopamine and ketamine
D) norepinephrine and epinephrine
Answer: A
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Karen's first psychology exam score is ?1 standard deviation from the mean in a normal distribution. The test has a mean of 75 and a standard deviation of 5 . Karen's percentile rank would be a. 16%
b. 54%. c. 70%. d. cannot determine from the information given
According to psychologists, anterograde amnesia is a physically based amnesia in which:
a. there is a memory loss for events that happened after the time of the injury b. there is a memory loss for events that happened prior to the time of the injury c. threatening thoughts and memories are unconsciously pushed from conscious awareness d. people fail to access the appropriate retrieval cues
Statistically, second marriages are
a. more likely to end in divorce than first marriages b. likely to last as long as first marriages c. more likely to be cross-racial d. none of these is true
Which of the following terms best reflects the concept of working memory?
A. Simultaneous B. Sequential C. Ranked D. Procedural