What can an ectothermic animal, if cold, do to regulate its body temperature?
A. begin sweating to cool off
B. burrow in the ground to get warmer
C. constrict peripheral blood vessels
D. regulate body temperature through the use of energy reserves
Answer: B
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According to the information about social class and health in the United States,
a. social class is correlated with life expectancy, but not morbidity. b. women are less likely than men to have adequate health insurance. c. almost all of the gender differences in life expectancy can be explained by social class. d. the United States is more likely than other developed countries to emphasize disease prevention, which is especially useful for low-income people.
When a patient undergoes a split-brain operation, which of the following is likely to happen?
a. Their behavior changes drastically. b. If their eyes are closed, they can verbally describe an object such as a small toy when they hold it in one hand, but not when they hold it in the other hand. c. Most of the time, the two hemispheres will work together even when the person is playing the piano or solving math problems. d. None of these
A conflict in which a person must choose between two undesirable options is called:
a) approach-avoidance. b) avoidance-avoidance. c) approach-approach. d) multiple conflict.
Suppose you examine an ultrasound image of a fetus, who is sucking her right thumb. Generalizing from research presented in the text, what is the probability that this fetus will be right-handed at age 15?
a. about 50% b. about 67% c. about 85 % d. about 100%