Which of the following is a function of skeletal muscle?
A) Causes contraction of veins B) Contracts the heart
C) Generates body heat D) Moves food through the stomach
C
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Answer the following statement(s) true (T) or false (F)
1. Obesity is common in the US and the average American gains 1-2 pounds per year throughout adulthood. 2. Healthy People 2020 exercise objectives are upgraded every 5-10 years as Americans meet and exceed the original goals. 3. Exercise for Americans over 65 years of age should be limited to flexibility and balance to avoid increasing health problems. 4. A landmark study by Steven Blair et al. on "The Effects of Physical Fitness on Mortality Rates" showed that a modest improvement in fitness among the most unfit can bring about substantial health benefits. 5.Skill, speed, agility, hand-eye coordination, and flexibility are the five major health-related fitness components.
The drug Ecstasy is:
A) a stimulant. B) a depressant. C) a pain reliever. D) an antianxiety drug.
Signs of acetaminophen overdose may not appear for up to how many hours after the overdose?
a. 6 hours c. 24 hours b. 12 hours d. 48 hours
Which best describes "e-cigarettes"?
A. an electronic gaming environment designed to attract young smokers B. an additive that counteracts carcinogens in cigarette smoke C. a name given to cigarettes purchased through black market websites D. a device that provides users with nicotine but no smoke