Which of the following is the opposite of being "spaced out," that is, the opposite of having occasional moments of reduced awareness?
a. lucid dreaming
b. mindfulness
c. concentrative cataplexy
d. anhedonia
B
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Which structure is important to the sense of pressure?
a. ?Krause’s end bulbs b. ?Merkel’s disks c. ?Pacinian corpuscles d. ?free nerve endings
A marked decrease in brain processing and memory in some older adults may be attributed to
the use of both hemispheres of the brain. shrinkage of the prefrontal cortex and the hypothalamus. increased production of neurotransmitters. more neural fluid that slows cerebral blood flow.
Which of the following statements is true with respect to studies of sexual orientation in animals?
a. Early hormonal manipulation of testosterone results in same sex-preference later in life in several species b. Naturally occurring homosexual behavior has been observed in numerous animal species, such as sheep and gulls c. Animals engage in homosexual behavior, even when in mixed-sex groups d. All of the above
Which of the following is FALSE regarding cardiovascular reactivity?
A. Cardiovascular reactivity varies greatly between individuals. B. It showed the same relation to measures of past discrimination across members of different ethnic groups. C. Cardiovascular reactivity has been measured in a lab setting. D. It refers to the changes in heart rate and blood pressure in response to stress.