Preterm births and low birth weight ________
a. are rare in modern hospitals
b. are two separate problems that generally don’t occur in the same baby
c. almost always result from poor nutrition during pregnancy
d. have a variety of causes, but half the time there is no obvious cause
Answer: D
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The textbook classifies marijuana as a(n) __________
a) stimulant. b) narcotic. c) hallucinogen. d) depressant.
According to the text, the initial step for making sound decisions is to
a. rise to the challenge b. make a commitment c. weigh the options d. evaluate the alternatives
What do data points that are closer to a straight line indicate on a scatterplot?
a. Positive correlation b. Negative correlation c. A strong relationship d. A weak relationship
What type of day/night light patterns do you think would produce the best sleep?
A. bright lights during the day, normal room light for 8-hour period before bedtime B. bright lights during the day, dim lights for 8-hour period before bedtime C. sleeping in dark during the day, working at night under bright lights D. sleeping in semidarkness during the day, working at night under normal lights