The fact that exposure to a teratogen during the period of the zygote often leads to a spontaneous abortion (miscarriage) while the same exposure during the period of the fetus can lead to minor defects of bodily structures or systems demonstrates that
a. the impact of teratogens depends on the genotype of the organism
b. the impact of teratogens changes the course of prenatal development
c. different teratogens affect different aspects of prenatal development
d. the impact of a teratogen depends on the amount, or dose, of the teratogen
b
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A person who is ____ would be labeled "anal-expulsive."
a. overly dependent b. very gullible or easily fooled c. orderly and neat d. careless and sloppy
In one ancient culture, an entire community could agree to give a person the silent treatment for 10 years based on a certain number of offensive or aggressive actions; no one would speak to or interact with that person. What modern-day term is based on this?
a. ostracism b. castigation c. ignominy d. ingratiation
Leading causes of death in 1900 were cardiovascular diseases and cancer
Indicate whether the statement is true or false
Norms for a new test of mental ability were obtained from a large sample of the general population. The mean of the test was set to 100 and the standard deviation was 15. Approximately what percentage of the population would fall within the range bounded by scores of 85 and 115??
a. ?20 percent b. ?68 percent c. ?2 percent d. ?98 percent