Washington State is one of several states that actively tracks and investigates pesticide-related illnesses. In an attempt to understand how to minimize the devastating effects of these illnesses, the state initiated a research program to study the relationship between pesticides and the neurotransmitter ____
a. endorphins
b. acetylcholine
c. norepinephrine
d. dopamine
ANSWER:
b
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Research suggests that children cope best with painful medical procedures when ____
a. they are given an anesthetic b. the procedure is explained first c. they are given little information about the procedure beforehand d. their mothers are not in the room when the procedure is being conducted
Sometimes a nonexperimental study has more _______ validity than a corresponding laboratory study, despite the more limited control
a. External b. Internal c. Construct d. Concurrent
About half of all the cases of dementia seen in the elderly can be attributed to Alzheimer's disease
Indicate whether the statement is true or false.
Victoria is a pregnant smoker. Victoria is among the estimated _____ percent of American women who smoke during their pregnancies
A) 8 B) 14 C) 20 D) 26