Your male patient has a creatinine excretion level of 8 mg/kg ...

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Your male patient has a creatinine excretion level of 8 mg/kg body weight/day. What does this indicate?
 
  a. It is normal.
  b. There is mild muscle wasting.
  c. There is moderate muscle wasting.
  d. There is severe muscle wasting.

Question 2

What is the recommended measurement for nitrogen balance?
 
  a. Blood urea nitrogen
  b. Serum urea nitrogen
  c. Urinary nitrogen
  d. Urinary urea nitrogen

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Answer to Question 1

ANS: D
Predicted values are based on gender and height, with reference values of approximately 18 mg/kg body weight/day for women to approximately 23 mg/kg body weight/day for men. Values of 60 to 80 of predicted indicate a mild deficit of muscle mass; 40 to 60 indicate a mod-erate deficit, and less than 40 of predicted suggest a severe depletion of muscle mass.

Answer to Question 2

ANS: C
Urinary nitrogen is the recommended value to use in determining nitrogen balance.

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TYSM

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