Which of the following is correct statement about the U.S. adult population’s physical activity?
a. Half of adults get physical activity, but no exercise.
b. Approximately 80% of adults do not meet physical activity guidelines.
c. Approximately 20% of adults get no physical activity.
d. One-fourth of adults are sedentary.
e. Approximately 60% of adults don’t exercise regularly.
Answer: B
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A scientist has isolated a fatty acid that has 26 carbons bonded together. Most of the carbon atoms in the chain are connected by single bonds, but there is a double bond between the number 9 and 10 carbons in the chain. The only other elements in the compound are hydrogen and oxygen. Based on this information, the compound is a (an) ________ fatty acid.
A. saturated B. monounsaturated C. polyunsaturated D. essential
Routine vitamin C supplementation ________.
A. may reduce the risk of kidney stones B. may reduce the duration of cold symptoms by a day or so C. prevents common colds among the general population D. prevents Alzheimer's disease
Ryan takes ibuprofen to decrease the pain and swelling in his knee due to an injury in a basketball game. What is the action of the ibuprofen in decreasing the swelling?
a. Assists with the activities of antibodies b. Reduces the effects of histamine c. Blocks the synthesis of eicosanoids d. Regulates immune cell activity
Carcinogenic polychlorinated biphenyls (PCBs) from transformers, flame-retardants, waxes, and paper have been found in
A) cereal. B) human breast milk. C) bread. D) milk.