Which of the following is credited with the substantial decline in dental caries in children?
a. decreased sugar consumption
b. fluoridation of public drinking water
c. elimination of lead-based house paint
d. increased availability of bottled water
b
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The incidence of binge-eating disorder is higher than that of anorexia nervosa
Indicate whether the statement is true or false
In addition to exercise, which behavior would most likely help Harold get in shape for spring break?
a. Cut out all carbohydrates, including regular soda, bread, pasta, and fruit b. Start drinking protein shakes instead of eating pizza with his friends c. Skip breakfast and lunch and have a sensible dinner d. Decrease portion sizes at home and in restaurants and regularly include vegetables or fruit at meals e. Adopt a vegetarian style diet
In a well-designed study, a statistically significant increase in maximal strength with creatine supplementation was detected at 12 weeks but not at 1 week. What is the likely explanation?
a. Creatine supplementation allowed athletes to complete more weight lifting repetitions and sets, but the effects of the training are not seen immediately. b. It takes time (about three months) for the body to increase the total amount of ATP stored in muscle. c. Time was needed to maximize carbohydrate stores because creatine storage and function are directly related to the size of muscle glycogen stores. d. Hormonal balance is altered, but the changes are slow and subtle and not detectable for approximately 12 weeks.
The middle layer of the heart is called the _____ and is responsible for _____
a. epicardium, contractions b. myocardium, contractions c. endocardium, thermoregulation d. myocardium, thermoregulation