A common case that elicits an episode of cataplexy is
a. abuse of amphetamines.
b. staying awake for long periods of time.
c. the presence of high levels of carbon dioxide in the blood.
d. damage to neurons that initiate REM sleep.
e. strong emotions or physical exertion.
Answer: e. strong emotions or physical exertion.
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Marissa and Melissa are twins and are genetically identical. Which term would a geneticist use to describe them?
A. gamete-deprived twins B. dizygotic twins C. monozygotic twins D. replicated twins
What is an important objection against the Rorschach inkblot technique? a. It accepts almost any answer as being normal
b. It penalizes people if they cannot think of many responses per inkblot. c. The instructions are too lengthy and too complicated for many people. d. It seldom tells us anything we couldn't learn in other ways.
The condition called premature ejaculation occurs most frequently in a. older men
b. younger men. c. married men. d. divorced men.
Chemicals produced in the brain that have many of the same properties as morphine are called:
a. opsins c. endorphins b. endocrines d. estrogens