In the lungs, oxygen and carbon dioxide are exchanged at the:
a. bronchi
b. alveolar-capillary membrane
c. surfactant
d. glomerulus
Ans: b. alveolar-capillary membrane
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The best way to lose fat, maintain lean body tissues, and stay healthy in the long-term is to: a. avoid all starchy foods
b. control food portion sizes. c. choose low-fiber vegetables. d. eat more refined carbohydrates. e. avoid all high-fat foods.
Sally is a 19-year old college freshman who is bulimic. She admits to vomiting 5 times per week. Sally is at increased risk for:
a. rectal bleeding; electrolyte imbalances b. damage to esophagus and throat; electrolyte imbalances c. lanugo; damage to the esophagus d. none of these
There is no official definition for the term "megavitamin therapy," but it usually encompasses amounts of over 10 times the RDA.
Answer the following statement true (T) or false (F)
Alcohol is a ________, which can cause dehydration and worsen the symptoms of a hangover
A. diuretic B. stimulant C. depressant D. toxin