Chapter 09 Review Questions

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  • 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