Smokers tend to have lighter babies. One way that smoking can affect fetal growth and development involves
a. clogging up the fetus’s lungs with smoke byproducts.
b. constriction of fetal blood vessels by nicotine.
c. damaging the lungs of the fetus.
d. damaging the bones of the fetus.
Answer: b. constriction of fetal blood vessels by nicotine.
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Zeena has an irrational fear of gaining weight. Even though she is very thin, when she looks in the mirror, she sees herself as heavier than she actually is. She has recently lost a severe amount of weight to the point at which her friends, teachers, and parents are very concerned about her health. Zeena fits the definition of one with
a. anorexia nervosa. b. bulimia nervosa. c. binge eating. d. body mass index nervosa.
According to the research on children's memory, the imagery strategy
a. is clearly the most useful mnemonic device that children can use in order to remember items. b. can be taught to children as a mnemonic device, but it only aids working memory. c. has not been demonstrated to be useful for children younger than 10 years of age. d. can sometimes be used effectively as a mnemonic device for children as young as 6 years of age.
Which of the following senses is dominant in human beings?
A) Hearing B) Smell C) Vision D) Touch
Most girls complete growth in body size by about ______ years of age and most boys by about ______ years of age.
A. 13; 15 B. 16; 16 C. 16; 18 D. 18; 20