If extracellular water has an excess of sodium ions,
A. sodium ions move into cells.
B. cells lose intracellular fluid and shrink.
C. excess zinc and fluoride ions are eliminated in feces.
D. the body uses the sodium ions for energy.
Answer: B
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Which of the following statements is true of facilitated diffusion?
A) It requires energy to facilitate the successful movement of substances across cell membranes. B) It is one of the three types of active transport mechanisms. C) It enables the movement of a substance from a region of lower concentration to a region of higher concentration. D) It is the movement of a substance with the assistance of a carrier molecule.
Tube feeding or TPN may be indicated for any of the following patients except:
a. an individual who must undergo chemotherapy. b. an individual who has long-term gastrointestinal impairment. c. an individual who has permanent gastrointestinal impairment. d. an individual who is experiencing complications that interfere with food intake.
The highest attainable bone density for an individual, developed during the first three decades of life is termed ________.
Fill in the blank(s) with the appropriate word(s).
In addition to nuts, dairy products, seafood, legumes, and brown rice, what else is a good source of magnesium?
a. Citrus fruits b. Blueberries c. Potatoes d. Green, leafy vegetables