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A diet rich in potassium has been shown to help maintain a healthy blood pressure.

A) True
B) False

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The release of which of the following nutrients from extracellular fluid stimulates muscle contraction?


A) phosphorus
B) potassium
C) sodium
D) calcium

E) A) and B)
F) A) and C)

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A water-treatment method in which water is filtered through a screen to eliminate chemical contaminants and microorganisms is called what?


A) micron filtration
B) ozonation filtration
C) reverse filtration
D) distillation filtration

E) All of the above
F) None of the above

Correct Answer

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The liquid portion of the bloods is called plasma.

A) True
B) False

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Which of the following do sodium and potassium NOT have in common?


A) Rich sources of both include fresh foods, such as bananas, cantaloupe, and potatoes.
B) Both participate in maintaining fluid balance.
C) Both are involved in nerve transmission.
D) Both are major electrolytes in the body.

E) B) and D)
F) A) and B)

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Which of the following will likely result if the concentration of electrolytes outside the cell is higher than in the intracellular environment?


A) The cell will burst.
B) The cell will shrink and dry up.
C) The cell will undergo mitosis and divide.
D) The cell will be unaffected.

E) B) and C)
F) A) and C)

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Which of the following conditions is NOT related to an electrolyte imbalance?


A) seizures
B) muscle cramps
C) heart attack
D) hypoglycemia

E) A) and D)
F) A) and B)

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The movement of water through a semipermeable membrane toward solutes is called


A) osmosis.
B) filtration.
C) depolarization.
D) distillation.

E) B) and D)
F) A) and B)

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Sodium and chloride are the predominant electrolytes in the extracellular fluid.

A) True
B) False

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Typically, water moves from areas of low concentration of solutes toward areas of higher concentration of solutes.

A) True
B) False

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What are sports beverages? Which individuals might benefit from using these products, and which populations do not benefit?

Correct Answer

Answered by ExamLex AI

Answered by ExamLex AI

Sports beverages are specially formulate...

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Which of the following statements is TRUE?


A) Water freely moves across cell membranes.
B) Water and electrolytes move across the cell membranes only through protein channels.
C) Electrolytes freely move across cell membranes.
D) Water and electrolytes cannot move across cell membranes.

E) B) and C)
F) A) and D)

Correct Answer

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Which is NOT a function of chloride?


A) assists in regulating the body's fluid balance
B) transmits nerve impulses
C) in the form of hydrochloric acid, prepares food for digestion
D) used in public water supplies to kill harmful bacteria

E) A) and B)
F) A) and C)

Correct Answer

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The ability of a muscle to contract and relax is dependent on the flow of what substance in and out of the muscle cell?


A) phosphorus
B) calcium
C) iron
D) chloride

E) A) and D)
F) A) and C)

Correct Answer

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Phosphorus is a negatively charged electrolyte.

A) True
B) False

Correct Answer

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Diets rich in which of the following nutrients are associated with maintaining healthy blood pressure levels?


A) sodium
B) chloride
C) potassium
D) phosphorus

E) A) and D)
F) None of the above

Correct Answer

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Extreme dehydration, vomiting, and diarrhea can result in hypokalemia.

A) True
B) False

Correct Answer

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Which of the following foods contains the lowest amount of sodium?


A) 1 medium fresh orange
B) 1 cup of canned vegetable soup
C) 1 large dill pickle
D) 1 oz of potato chips

E) A) and D)
F) A) and B)

Correct Answer

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Drinking eight glasses of fluid each day ensures that all healthy adults will meet their fluid needs.

A) True
B) False

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Fluids move freely in and out of cells.

A) True
B) False

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