Water and Major Minerals- Sample Test Questions Answers

Water and Major Minerals- Sample Test Questions Answers -...

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Unformatted text preview: Water and Major Minerals‐ Sample Test Questions 1) In the body, water that resides between cells is known as a. diuretic fluid. b. interstitial fluid. c. edematous fluid. d. intravascular fluid. 2) Which of the following body structures helps to regulate thirst? a. Brain stem b. Cerebellum c. Optic nerve d. Hypothalamus 3) Factors that are effective in regulating the body’s water balance include all of the following except a. adrenaline. b. aldosterone. c. angiotensin. d. antidiuretic hormone. 4) What is the major extracellular cation? a. Sodium b. Sulfate c. Protein d. Potassium 5) Which of the following is a general property of the minerals? a. When a food is burned, all the minerals are found in the ash b. Absorption efficiency from foods is similar among the minerals c. Minerals in food can be degraded by certain processing methods d. Some minerals in food are destroyed by exposure to ultraviolet light 6) Which of the following is the primary function of potassium? a. Participates in wound healing b. Helps maintain gastric acidity c. Acts as principal intracellular electrolyte d. Protects bone structures against degeneration 7) Almost all (99%) of the calcium in the body is used to a. provide energy for cells. b. provide rigidity for the bones and teeth. c. regulate the transmission of nerve impulses. d. maintain the blood level of calcium within very narrow limits. Water and the Major Minerals‐ Sample Test Questions 2 8) Which of the following regulates the level of calcium in the blood? a. Dietary intake of calcium b. Glucagon and epinephrine c. Dietary intake of phosphorus d. Parathyroid hormone and calcitonin 9) All of the following are characteristics of phosphorus in nutrition except a. high dietary intakes have no adverse effects. b. about 85% of the body’s phosphorus is located in bones and teeth. c. the phosphoric acid in cola drinks has little effect on bone content. d. the ratio of phosphorus to calcium in the diet is important for bone maintenance. 10) Which of the following minerals is required in the enzymatic phosphorylation of ADP? a. Iron b. Copper c. Sodium d. Magnesium 11) The strongest predictor for loss of bone density is a person’s a. sex. b. age. c. calcium intake. d. blood estrogen level. 12) Sulfur is present in practically all a. vitamins. b. proteins. c. fatty acids. d. carbohydrates. 13) Which of the following is a feature of osteoporosis? a. It is most common in men over 45 years of age b. It has virtually no effect on blood calcium levels c. It results from short‐term deprivation of dietary calcium d. It causes significant alterations in the blood levels of parathormone and calcitonin 14) All of the following dietary substances are known to adversely affect calcium balance except a. a high‐fiber diet. b. lactose in the diet. c. phytic acid in the diet. d. phosphorus in the diet at a level 3 times that of calcium. Water and the Major Minerals‐ Sample Test Questions 3 15) Which of the following is a feature of sodium nutrition? a. It has no AI because diets rarely lack sodium b. It has no AI because the kidneys are highly efficient at regulating sodium balance c. The AI is 3 g, an amount that has been shown to have little or no effect on blood pressure d. The AI for young adults is only 1500 mg because the body possesses an unusually efficient retention mechanism Water and the Major Minerals‐ Sample Test Questions ...
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This note was uploaded on 11/27/2011 for the course HUN 2201 taught by Professor Sitren during the Fall '08 term at University of Florida.

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