Why are dark green vegetables such as kale and spinach good sources of vitamin A?
A) They contain abundant beta-carotene, a precursor of retinol.
B) They contain the most abundant preformed vitamin A.
C) They contain vitamin C precursors of retinol.
D) They are fortified with vitamin A.
A
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At the onset of atherosclerotic lesion formation, the damaged endothelial layer attracts platelets to the site of damage to form a small clot termed a _______________.
Fill in the blank(s) with the appropriate word(s).
Fred is a lactovegetarian. Which of the following foods does he eat?
A. Chicken B. Cheese C. Eggs D. Fish
Jill is eating a salad at lunch and suddenly feels stomach cramps. She had told the waiter she was allergic to walnuts and he assured her there were none in the salad. Which of the following might have occurred?
a. There were walnuts added to the salad because the cook forgot to exclude them. b. Although no walnuts were in the salad, there were cashews, and she is reacting to these tree nuts as well. c. Jill is experiencing an adverse reaction but not an allergic reaction. d. The salad dressing contained walnut oil. e. All of the above are possible.
A(n) ________ is a medication that inhibits the ability of gastric cells to secrete hydrogen ions.
A. NSAID B. antacid C. antibiotic D. proton pump inhibitor