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Home Q & A Board Biology-Related Homework Help Medicine Pharmacology (Moderator: DelightfulMind)
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drplummer drplummer
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7 years ago
A client's serum chemistry measurements are serum sodium level 146 mEq/L, BUN 24 mg/dl, and glucose level 90 mg/dl. What is the client's serum osmolality?
 
  a. 275 mOsm/kg
  b. 285 mOsm/kg
  c. 295 mOsm/kg
  d. 305 mOsm/kg
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#1
7 years ago
ANS: D
To calculate osmolality, use the equation:
2(serum Na concentration) + BUN/3 + glucose level/18.
2(146) + 24/3 + 90/18 = 305 mOsm/kg.
drplummer Author
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#2
7 years ago
Appreciate this a lot
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