Q:

Nitrogen balance

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 Nitrogen balance.


  1. Is the relationship between the body’s nitrogen intake and nitrogen loss.
  2. Is positive in childhood.
  3. Becomes more positive when dietary protein is increased.
  4. Becomes negative when a patient is immobilized in bed.
  5. Becomes less negative in the final stages of fatal starvation.

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A. True It is positive when more nitrogen is taken in than is lost.

B. True Nitrogen intake is greater than nitrogen loss during active tissue growth.

C. False The additional nitrogen intake is balanced by additional nitrogen loss as the extra protein is metabolized and its nitrogen excreted in the urine.

D. True Muscles waste and the protein released is metabolized.

E. False It becomes more negative when little but protein remains to be metabolized.

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