What are crypts?
a. Projections on the inner surface of the small intestine
b. Tubular glands that secret juices into the small intestine
c. Cells of the GI tract that secret mucus
d. Hairlike projections that trap nutrient particles and transport them to cells
e. Glands that store bile
Answer: B
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What is a characteristic of most fad diets??
A) ?They produce long-lasting results just like healthy diets. B) ?They limit food choices, thereby reducing energy intake. C) ?They are balanced and therefore do not require a dietary supplement. D) ?Their success depends on the ratios of macronutrients more than the total energy value.
Constance is making a vegetable soup that contains carrots, beans, water, salt, pepper, bits of ham, and onions. The soup has to cook for 4 hours. While the soup is cooking, what will happen to some of the minerals that are in its ingredients?
A. Cooking the soup's ingredients for this extensive amount of time will enable the minerals to become antioxidants. B. The minerals will leach out of the ham and vegetables and lose their natural bioavailability. C. The minerals will leach out of the food and into the cooking water, becoming part of the soup in the process. D. The relatively high temperature that is needed to cook the soup will destroy the iron, phosphorus, and sulfur in the vegetables.
Which of the following is a general characteristic of trace minerals?
a. The amount of trace minerals in plant-based foods is consistent regardless of the mineral content of soil and water. b. The amount of trace minerals present in foods is influenced by the cooking method and the length of the cooking process. c. Trace minerals are circulated from the GI tract to the liver and throughout the body. d. Toxicities from excess consumption of trace minerals from some food sources are common.
Vitamin D is sometimes called the sunshine vitamin because
A. it can be destroyed by exposure to sunlight. B. it is the yellow-orange color of the sun. C. it is available in fresh orange juice. D. exposure to sunlight converts a precursor form to vitamin D.