Which of the following is a benefit of being physically active?
A. lowering self-esteem and mood
B. sleeping better
C. increasing anxiety and stress
D. living a more sedentary lifestyle
Answer: B
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All of the following are correct in reference to type I interferons except _____
a. Type I interferons inhibit the replication of viruses. b. In the presence of type I interferons, virus-infected cells undergo cell-surface changes that render them more susceptible to attack by NK cells. c. Not only can most cells synthesize type I interferons, but they can also respond to them. d. The receptor for type I interferons is abundant in the cytosol. e. Type I interferons function in autocrine and paracrine fashions. f. Type I interferons promote NK-cell proliferation and differentiation into cytotoxic cells.
Interval training for runners often involves running ____ intervals with a faster ____ than their actual racing pace
A) ?shorter; speed B) ?longer; speed C) ?shorter; recovery D) ?slower; speed E) ?jogging; recovery
The stress response begins with _____
A. adaptation to the stressor B. exposure to the stressor C. identification of the stressor D. physical symptoms of stress
Unintentional injuries are the leading cause of death among 45- to 64-year-olds
Indicate whether the statement is true or false