The physician ordered 1000 mL, D5 $1 / 2$ NS with KCL 10 mEq IV over 8 hours. The nurse located a vial of potassium chloride 40 mEq/20 mL. How many milliliters of KCL should the nurse add to theZV bag?
A) 5
B) 10
C) 15
D) 20

Question

Quizplus · Accepted Answer

The order is for 10 mEq of KCL. The concentration of the KCL solution is 40 mEq in 20 mL. To find out how many mL are needed for 10 mEq, you set up a proportion: $40 \, \text{mEq} : 20 \, \text{mL} = 10 \, \text{mEq} : x \, \text{mL}$. Solving for $x$, you get $x = \frac{10 \, \text{mEq} \times 20 \, \text{mL}}{40 \, \text{mEq}} = 5 \, \text{mL}$.

The Physician Ordered 1000 ML, D5 1/21 / 21/2 NS with KCL 10 MEq IV Over 8 Hours

The Physician Ordered 1000 ML, D5 $1 / 2$ NS with KCL 10 MEq IV Over 8 Hours