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The majority of our body's phosphorus is stored in the


A) kidneys.
B) bones.
C) blood.
D) liver.

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Which of the following is the MOST effective method used in removing waterborne microorganisms from bottled water?


A) carbon filtration
B) ion exchange
C) reverse osmosis
D) deionization

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


A) Rich sources of both include fresh fruits and vegetables.
B) Both participate in maintaining fluid balance.
C) Both are involved in nerve impulse transmission.
D) Dietary levels of both influence the risk for hypertension.

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A

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

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Describe four primary roles that water plays in the proper functioning of the body.

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Answered by ExamLex AI

1. Hydration: Water is essential for maintaining proper hydration levels in the body. It helps to regulate body temperature, transport nutrients and oxygen to cells, and remove waste products. 2. Lubrication: Water acts as a lubricant for joints, tissues, and organs, helping to reduce friction and cushioning them from impact. 3. Digestion: Water is necessary for the digestion and absorption of food. It helps to break down food particles, aids in the movement of food through the digestive system, and supports the absorption of nutrients. 4. Electrolyte balance: Water plays a crucial role in maintaining the balance of electrolytes in the body, such as sodium, potassium, and chloride. These electrolytes are essential for proper nerve and muscle function, as well as maintaining fluid balance within cells.

Although chloride deficiency is rare,it is most likely to occur in a person experiencing


A) high blood sodium levels.
B) a peptic ulcer.
C) chronic vomiting.
D) constipation

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The water that comes from lakes,rivers,and reservoirs is characterized as what kind of water?


A) surface
B) ground
C) spring
D) distilled

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Water has a high heat capacity.What does this term mean?


A) Water is relatively resistant to an increase in temperature.
B) Water heats up or cools down readily.
C) Water provides a useful source of stored kilocalories.
D) Water provides excellent insulation for the body.

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Which of the following individuals is at greatest risk for hyperkalemia?


A) a marathon runner
B) a newborn
C) an individual who eats only processed foods
D) an individual with kidney disease

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How do electrolytes function in controlling fluid balance in the body?

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Answered by ExamLex AI

Electrolytes are minerals found in your ...

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Which of the following can contribute to dehydration?


A) release of ADH from the pituitary gland
B) water reabsorption by the kidneys
C) the thirst mechanism
D) diarrhea

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Sodium is an essential nutrient necessary for human health.

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True

What is the primary reason we sweat?


A) to maintain blood volume
B) to maintain sodium balance
C) to excrete waste products
D) to regulate body temperature

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Most Americans exceed the dietary recommendations for sodium.

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Which of the following does NOT describe tissue fluid?


A) fluid that flows between cells
B) interstitial fluid
C) fluid that is found in the blood vessels and lymphatic vessels
D) synovial fluid found within joints

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Ions are capable of conducting electricity.

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Lean tissue contains a lower percentage of fluid compared with fat tissue.

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Diets high in sodium are associated with


A) breast cancer.
B) diabetes mellitus.
C) obesity.
D) hypertension.

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Which of the following substances is characterized by its ability to move freely and adapt to the shape of the vessel that contains it?


A) an electrolyte
B) an ion
C) a fluid
D) a diuretic

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The swelling of tissues associated with hypernatremia is known as


A) osmosis.
B) edema.
C) depolarization.
D) repolarization.

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