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Question
The presence of nicotine can be detected in the braina. as rapidly as 7 seconds after smoking.
b. as rapidly as 2 minutes after smoking and 1 minute after intravenous injection.
c. not until 30 to 40 minutes after smoking.
d. of nonsmokers and smokers alike.
Answer
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Related questions
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One of the challenges of conducting health research is that it is impossible, and unethical, to manipulate certain variables, such as sexual behaviors or smoking. The research design that examines differences between groups without manipulating these groups is:
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a. be completed quickly.
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