A woman walks for an hour 5 times per week. When exercising at a low intensity which of the following is your fuel source?
a. a mixture of carbohydrate and fat a. a mixture of carbohydrate and fat
b. carbohydrate
c. protein and carbohydrate
d. fat
Answer: a. a mixture of carbohydrate and fat a. a mixture of carbohydrate and fat
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You are studying disease incidence and prevalence in America. Overall, you would expect the 21st century to be characterized by increased _____ and _____
a. infectious diseases, chronic diseases b. infectious diseases, mortality rates c. mortality rates, life expectancy d. chronic diseases, life expectancy
What is the role of insulin in weight gain? a. Eating high-glycemic index foods causes excess fat storage
b. Eating foods that do not stimulate the insulin response reduces body fat storage. c. Insulin helps to prevent weight gain in healthy, normal-weight people who eat a reasonable diet. d. Insulin assists with the storage of body fat and weight gain, even if calories do not exceed energy needs. e. Insulin regulates glucose metabolism and inhibits storage of energy.
A hereditary condition caused by an incorrect amino acid in a protein chain is
A. marasmus. B. edema. C. kwashiorkor. D. sickle cell anemia.
The main barrier to gastric reflux is the
a. upper esophageal sphincter. b. sphincter of Oddi. c. pyloric sphincter. d. lower esophageal sphincter.