Which of the following electrolyte imbalances can hinder weaning from ventilatory support? 1. Hypochloremia 2. Hypomagnesemia 3. Hypokalemia 4. Hyponatremia
a. 2 and 3 only
b. 1 and 2 only
c. 3 and 4 only
d. 1 and 4 only
ANS: A
Key electrolytes should be normal (magnesium, 1.8 to 3.0 mEq/L; phosphate, 2.5 to 4.8 mEq/L; potassium, 3.5 to 5.0 mEq/L).
Health Professions
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