People in North America would be less likely to become obese if they
a. prepared more meals at home rather than going to a restaurant.
b. had more variety available in the foods they eat.
c. ate their meals in a shorter amount of time.
d. did all of these.
ANSWER: a
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Suppose you have signed up to participate in a psychological research study. Is there any chance that you will be deceived?
a. No, because the use of deception is illegal in most states. b. No, because the code of ethics psychologists adhere to prohibits the use of deception. c. Yes, because most psychological research involves deception. d. Yes, because sometimes informing participants may bias the results.
Which of the following structures connects the placenta and allows materials to be carried to and from the developing organism?
A) teratogen B) neural tube C) amniotic fluid D) umbilical cord