What causes the release of hydrochloric acid, intrinsic factor, and enzymes in response to the presence of food in the stomach?
a. Pepsin
b. Gastrin
c. Chyme
d. Rugae
b
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Starch in flour can be partially broken down by enzymes (amylases) into
A. glucose. B. malt. C. dextrin. D. All of these are correct.
Mary Moore, who is 3 months pregnant with her fourth child, comes to the clinic for her monthly prenatal visit. You are doing client education regarding her nutritional status. She is 5?4? tall and currently weighs165 pounds. She is planning on breast-feeding her baby
Ms. Moore tells you that she always ate the same whether she was pregnant or not. She also says that she never took vitamins or iron with her other pregnancies and that she doesn't see the need now. How will you teach her the importance of these dietary measures?
The main site of digestion and absorption of nutrients is the _____
a. mouth b. stomach c. small intestine d. large intestine e. liver
A medical researcher has isolated a chemical from cigarette smoke. When the scientist mixes a small amount of the substance with living human cells, the chemical damages unsaturated fatty acids in the cells' plasma membranes. He is able to prevent this damage by adding vitamin E to the mixture of the chemical and cells. Based on this information, the scientist has ________.
A. discovered a vitamin-based cure for lung cancer B. identified vitamin E as a prooxidant C. determined that the chemical in cigarette smoke is an oxidizing agent D. conducted an in vitro experiment under poorly controlled conditions