Chapter 09 Review Questions
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This document contains 20 multiple choice questions about water, minerals, and electrolytes from Chapter 9 of Wardlaw's Contemporary Nutrition textbook. The questions cover topics like the percentage of body weight made up of water, what controls water levels in different body compartments, daily water needs for men and women, sodium content in typical American diets, roles of potassium and sodium, and effects of high salt consumption.
Chapter 09 Review Questions
- 1. Wardlaw’s Contemporary Nutrition, Seventh Edition Copyright © The McGraw-Hill Companies, InC) Permission required for reproduction or display. Gordon M. Wardlaw Anne M. Smith Chapter 9
- 2. Question 1 Water constitutes ______ percent of body weight. A. 10–20 B. 25–45 C. 50–70 D. 75–95
- 3. Question 2 The amount of water in each compartment mainly is controlled by A. oxygen concentration. B. glucose concentration. C. the presence of fatty acids. D. ion concentration.
- 4. Question 3 Intracellular water volume depends primarily on the concentration of A. sodium and chloride. B. phosphate and potassium. C. potassium and sodium. D. chloride and potassium.
- 5. Question 4 The two most significant extracellular ions are A. sodium and chloride. B. phosphate and potassium. C. potassium and sodium. D. chloride and potassium.
- 6. Question 5 Water regulates body temperature through heat loss via A. conduction. B. radiation. C. respiration. D. evaporation.
- 7. Question 6 A liter of perspiration lost by the body represents ____ kcalories. A. 200 B. 400 C. 600 D. 800
- 8. Question 7 The body’s need for water is approximately ____ milliliter(s) per kcalorie. A. 3 B. 2 C. 1 D. 0.5
- 9. Question 8 Adult women need how much total water intake per day? A. 1.5 liters B. 2 liters C. 2.7 liters D. 3 liters
- 10. Question 9 Joe is a wrestler and during his workouts he loses 2 pounds. How much water would he have to drink to replenish this water weight loss? A. 2 cups B. 3 cups C. 4 cups D. 5 cups
- 11. Question 10 Which of the following is not true about the regulation of fluid in the body? A. Thirst is a reliable indicator of how much water should be consumed to replenish body fluids. B. Antidiuretic hormone is released to force the kidney to conserve water. C. There is a limit to how concentrated the kidney can make the urine. D. Even though the kidney can effectively conserve water, insensible water losses must be replenished.
- 12. Question 11 Adult men need how much total water intake per day? A. 2.0 liters B. 2.7 liters C. 3.0 liters D. 3.7 liters
- 13. Question 12 Minerals are classified in which way? A. Major minerals are needed in amounts of 500 mg per day or greater. B. Trace minerals are needed in amounts of 100 mg per day or less. C. Trace minerals are needed in amounts of 10 mg per day or less. D. Major minerals are needed in amounts of 200 mg per day or greater.
- 14. Question 13 Which of the following statements does not describe the role of minerals in the body? A. They make possible the transfer of nerve impulses. B. They are constituents of important body compounds. C. They provide 4 kcalories per gram. D. They help maintain water balance.
- 15. Question 14 Which of the following is true about mineral bioavailability? A. Minerals from plants are better absorbed than those from animal products. B. Minerals from animal products are better absorbed than those from plants. C. The trace mineral content of plants is relatively constant no matter which soil serves as the medium. D. Refining foods will increase the trace mineral content.
- 16. Question 15 The typical American diet contains approximately ___ mgs of sodium. A. 700 to 1,200 B. 1,300 to 2.200 C. 2,300 to 4,700 D. 5,000 to 10,000
- 17. Question 16 Of the following foods, which one is lowest in sodium? A. Pepperoni pizza B. Macaroni salad C. Milk D. Grape juice
- 18. Question 17 All foods in their unprocessed form tend to be low in sodium except A. milk and dairy products. B. whole grains. C. legumes. D. fruits.
- 19. Question 18 Consumption of a diet high in salt by a healthy individual will A. cause damage to the kidneys. B. result in edema. C. increase fecal excretion of sodium. D. increase urinary excretion of sodium.
- 20. Question 19 Which of the following would have the most sodium? A. Applesauce in a jar B. Homemade apple pie made with fresh apples C. Homemade apple pie made with canned fruit filling D. A prepared apple pie with filling from a can, bought in the store
- 21. Question 20 Potassium performs all the following functions except which one? A. It maintains the ability to see at night. B. It maintains fluid balance. C. It assists nerve transmission. D. It maintains normal heart function.
- 22. Answer Key – Chapter 9 C D B A D C C C D A D B C B C D A D D A