Teratogens will have their most negative impact during __________
a)the first trimester.
b) the embryonic stage.
c) just following birth.
d) the second trimester.
b Explanation: The embryonic stage when we experience a critical period,
is when we are most susceptible to the impact of teratogens.
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As defined in the text in the discussion of stress, the term "stressors" is best described as
a. effects of stress. b. various types of stress. c. sources of stress. d. sources of conflicts. e. types of conflicts.
Which of the following is NOT a reason that adolescents are more likely to use and abuse drugs?
a. the adolescent's belief that the risks of drug use are low b. drugs being readily available. c. drug use by their peers being viewed as acceptable d. the adolescent's brain systems that restrain risk taking being more mature than those involved in reward pleasure seeking
The French psychologist Alfred Binet
a. proposed a set of stages in the development of intelligence. b. developed statistical techniques for measuring intellectual differences among groups. c. proposed a "unified theory" of intelligence. d. developed modern methods of intelligence testing.
The procedure by which the sperm of an anonymous person is artificially introduced to the prospective mother when ovulation occurs is called
a. in vitro fertilization by donor. c. artificial insemination by donor. b. in vitro fertilization by surrogate. d. artificial insemination by surrogate.