With regard to metabolism and excretion, why can drug effects sometimes have a very long duration?
A. Most drugs do not get metabolized efficiently in the human body.
B. Drug dosages are usually higher than is required to treat a given condition.
C. Most drugs do not get excreted from the human body.
D. Metabolized molecules are active in the body for even longer than the original drug molecule.
Answer: D
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In order for a relationship to last,
a. accentuate the positive over the negative. b. don't expect your spouse to be your friend. c. treat minor annoyances like the significant problems they eventually become. d. spend time together doing familiar activities.
Stephanie had successfully used extinction to eliminate her son's temper tantrums. However, several weeks later, her son threw another temper tantrum. Stephanie should be advised that
a. she should have used an intermittent punishment schedule to stop the temper tantrums. b. spontaneous recovery does occur and to continue ignoring the tantrums. c. she should have used negative reinforcement to stop the temper tantrums. d. her child will outgrow the tantrums in a few years.
Which of the following statements about self-esteem is true?
A) Children who attend schools where their SES is well-represented have fewer self-esteem problems. B) Compared with their Caucasian agemates, African-American children tend to have slightly lower self-esteem. C) Compared with U.S. children, Chinese and Japanese children tend to have slightly higher self-esteem. D) Gender-stereotyped beliefs have little, in any, effect on children's overall self-esteem.
The outermost layer of the embryo is called the
A. cytoderm, which produces the circulatory system. B. ectoderm, which produces the nervous system. C. mesoderm, which produces the digestive system. D. endoderm, which produces the reproductive system.