The rating of perceived exertion scale starts at 6 and ends at 20 because the numbers on the scale correlate loosely with
A. heart rate.
B. body weight.
C. cholesterol levels.
D. blood pressure.
Answer: A
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Which of the following is incorrect regarding sphingosine 1-phosphate (S1P) and its receptor?
a. It is a lipid that has chemotactic activity. b. S1P gradients are established in lymph nodes with lowest concentrations in T-cell areas. c. CD69 upregulates S1P receptor expression on the surface of naive T cells. d. S1P is synthesized by all cells.
Personality traits of ____ are commitment, control, and challenge.
A. grief B. hardiness C. intelligence D. hope E. none of the above
An impediment to quitting smoking, problems of confidence surface when people ____.
A. lack the skills to quit smoking B. do not believe they can quit smoking C. deny that smoking is harmful D. fail to grasp the benefits of not smoking E. lack the motivation to quit smoking
Eight months ago, Juanita began a daily walking program that is now integrated into her lifestyle. This reflects the ________ stage of the transtheoretical model.
A. action B. contemplation C. termination D. preparation