The three major systems that account for the body's ability to regulate acid-base balance are the lungs, the kidneys, and

A. the intestines.
B. blood buffers.
C. bone structure.
D. the brain.


Answer: B

Nutritional Science

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What is the principal positively charged ion inside body cells?

a. calcium b. sodium c. magnesium d. potassium e. chloride

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Which of the following should be consumed at intervals throughout the day?

a. carbohydrate-containing foods b. vitamin-rich foods c. mineral-rich foods d. fat-containing foods

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Which informationabout fluid restrictionis essential as part of educating a client withthe risk ofheart failure?

A. Increase sodium intake to offset fluid loss. B. Count all beverages and foods such as soups, sherbet, and gelatin within the fluid allowance. C. Use warm or hot foods to control thirst. D. Check body weight 3 times daily. E. Limit fluid intake to 4 quarts per day.

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