Hormones are most essential to which aspect of mammalian parental behavior?
a. care for newborns during the first few days
b. continuation of care after the first few days
c. the parental care sometimes shown by males
d. all aspects equally
a
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Young Ruthie is tickled pink to learn that she will be visiting her beloved grandmother who recently moved to a nearby apartment. The first time she walks into the apartment, Ruthie immediately notices the strong scent of the wintergreen-based gel her grandmother used for muscle and joint pain and comments that it "smells funny in here.". Soon, however, Ruthie no longer notices the wintergreen
scent. However, after Ruthie's initial reaction to the scent would be a(n) ____, and her later lack of reaction to it demonstrates ____. a. attention; orientation b. habituation; attention c. orienting response; habituation d. habituation; orienting response
In the plateau phase of the sexual response cycle,
a. physiological arousal levels off. b. physiological arousal builds at a slower pace. c. something like a phone ringing will probably not interrupt the movement to the next stage. d. men's pre-ejaculatory fluid does not contain sperm.
The drive theory of motivation states that drives are ____
a. ?innate instincts that push us toward specific behaviors b. ?negative states that we are motivated to reduce c. ?positive states that we are motivated to increase d. ?learned reactions stemming from social incentives
After several years of infertility, Bruce and Ellen decide to use assisted reproductive technology (ART) to become pregnant. When they meet with their obstetrician, she is likely to advise Bruce and Ellen
a. to expect no more than one successful pregnancy from ART, since it is still so experimental b. that multiple-gestation pregnancies produced with ART are more likely than their naturally achieved counterparts to have complications involving the placenta or amniotic sac c. to use the oldest donor eggs that are available d. that ART increases the odds that they will have twins or even triplets