Practice Quiz

Respiratory Therapist

Category - Patient Evaluations and Recommendations

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A patient was admitted recently to the ICU has had labs drawn every morning. This morning revealed all electrolytes are normal except one.

Which of the following electrolyte values is out of normal range?
  1. Potassium 3.5 mEq/L
  2. Calcium 6 mEq/L
  3. Magnesium 1.7 mEq/L
  4. Phosphorus 3.6 mEq/L
Explanation
Answer: D - The phosphorus level is out of normal range.

The normal range for phosphorus is 1.7-2.6 mEq/L. Electrolyte values of potassium 3.5 mEq/L calcium 6 mEq/L, and magnesium 1.7 mEq/L are all normal values.
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