If a disease occurs in unusually large numbers over a specific area, it is said to be epidemic
Indicate whether the statement is true or false.
Answer: True
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The only single receptor that can activate NK cells without the need for a second activating receptor is _____
a. NKG2D b. CD56 c. 2B4 d. CD94:NKG2A e. CD16a.
Which of these personality traits has been scientifically shown to be associated with increased participation in physical activity?
A. Self-confidence B. Introversion C. Neuroticism D. Each of these personality traits is associated with increased participation in physical activity.
The risk of death from coronary heart disease decreases as total physical activity energy expenditure increases from 500 to ________ kilocalories per week
A) 5,000 B) 2,500 C) 3,500 D) 1,500
The best method for burning calories is
A) lifting small hand weights. B) weight-lifting involving large muscles. C) light activities around the home. D) aerobic exercise involving large muscles.