Of the carcinogenic substances in tobacco smoke, which is most damaging to the lungs?

A. carbon monoxide
B. tar
C. nicotine
D. nitrous oxide


Answer: B

Health & Biomechanics

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People should try to avoid stress entirely

a. True b. False

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A ketogenic diet is a diet that:

A. prevents the body from producing too many ketones, and is therefore a low-fat, high-carbohydrate diet to force the body to burn sugar instead of fat. B. prevents the body from producing too many ketones, and is therefore a high-fat, low-carbohydrate diet to force the body to burn fat instead of sugar. C. aids in the production of ketones in the body, and is therefore a low-fat, high-carbohydrate diet to force the body to burn sugar instead of fat. D. aids in the production of ketones in the body, and is therefore a high-fat, low-carbohydrate diet to force the body to burn fat instead of sugar.

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Which of the following is TRUE about persistent depressive disorder?

A) It is a mild but chronic form of depression. B) It is a version of manic depression. C) It is not treated unless it progresses to major depression. D) It is easy to diagnose.

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If a speaker informed his/her audience. "the average distance from the Earth to the sun is 93 million miles. If you left Earth, traveling by car, you would reach the sun in 152 yrs." they are using what type of comprehension technique?

What will be an ideal response?

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