In order to maintain a healthy weight and reduce the risk of chronic disease, daily physical activity at what level is recommended?
a. sedentary
b. active
c. very active
d. low active
Ans: b. active
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The method of assessing body composition considered to be the "gold standard" is
A. underwater weighing. B. dual-energy x-ray absorptiometry (DEXA). C. bioelectrical impedance. D. skinfold thickness.
Brisk walking and cycling are examples of moderate-intensity activities.
Answer the following statement true (T) or false (F)
Which of the following observations is an example of a positive correlation?
A. When women gain less weight than average during pregnancy, the birthweights of their babies tend to be lower than average. B. When a population's intake of green tea increases, the percentage of lung cancer cases in that population decreases. C. When a group of children increases their physical activity levels, the percentage of the children who contract cold infections decreases. D. When members of a population consume fewer fruits and vegetables, their risk of high blood pressure increases.
Liz is concerned about her caffeine intake because too much makes her feel jittery. She is at a cafe with a friend and wants to order a drink, but wants to choose the one with the least caffeine. Which of the following beverages likely has the least caffeine?
A. Hot cocoa B. Coffee C. Green tea D. Soda, cola