The reason that there are three semicircular canals is so that we __________.
A. have one canal to sense motion in each of the three planes
B. can see the world in three dimensions
C. can detect sound locations in the three-dimensional world
D. have an extra if one is broken
Answer: A
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Currently, most researchers believe that observed variations in IQ scores result from:
a. the interaction between genetic and environmental factors b. genetic differences, environment has no influence c. environmental differences, genetics has no influence d. factors other than genetics or environmental influences
Balancing the bottom line and ethics is now seen as a smart business move.
Answer the following statement true (T) or false (F)
Social support contributes to a very old adult's health and sense of well-being in a variety of ways. Which of the following is NOT one of these ways?
A. It reduces isolation. B. It provides a flow of critical resources such as affection, transportation, and advice. C. It reduces the impact of stressors. D. It provides a source of conflict that is intellectually stimulating.
"Approximately 1500 new cases of AIDS were diagnosed in 1988 in San Francisco." This is an estimate of the ________________ of AIDS
a) prevalence b) incidence c) risk factor d) statistical significance