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2. A physician writes an order for KCl 40 mEq/500 mL of D10W. The order states to infuse the IV bag at 50 mL/hour.

a) How many mEq will be in each mL?
b) How many hours will one bag last?

3. A patient is ordered on Novolin 30/70® Insulin. The patient injects 22 units in the morning and 12 units at suppertime. There are 100 IU/mL in a 10 mL vial.

a) How many mL will the patient use each day?
b) How many days will 1 vial last the patient?

Answer :

Final answer:

The mEq in each mL of the IV solution is approximately 0.08 mEq/mL. One bag will last for approximately 10 hours. The patient will use approximately 0.34 mL of Novolin 30/70 Insulin each day. One vial will last the patient for approximately 29.41 days.

Explanation:

Calculating mEq in IV solution:

To calculate the mEq in each mL of the IV solution, we divide the total mEq by the total mL. In this case, the physician has ordered KCl 40 mEq/500 mL of D10W. This means there are 40 milliequivalents of potassium chloride (KCl) in 500 milliliters of D10W.

So, to find the mEq in each mL, we divide 40 mEq by 500 mL:

mEq per mL = 40 mEq / 500 mL = 0.08 mEq/mL

Calculating hours one bag will last:

The order states to infuse the IV bag at 50 mL/hour. To calculate how many hours one bag will last, we divide the total mL in the bag by the infusion rate. In this case, the bag contains 500 mL and the infusion rate is 50 mL/hour.

So, to find the hours one bag will last, we divide 500 mL by 50 mL/hour:

Hours one bag will last = 500 mL / 50 mL/hour = 10 hours

Calculating mL used each day:

To calculate the mL used each day, we add up the units injected in the morning and at suppertime and divide by the concentration. In this case, the patient injects 22 units in the morning and 12 units at suppertime, and there are 100 iu/mL in a 10 mL vial.

So, to find the mL used each day, we add 22 units + 12 units = 34 units. Then, we divide 34 units by 100 iu/mL:

ML used each day = 34 units / 100 iu/mL = 0.34 mL

Calculating days 1 vial will last:

To calculate how many days 1 vial will last, we divide the total mL in the vial by the mL used each day. In this case, the vial contains 10 mL.

So, to find how many days 1 vial will last, we divide 10 mL by 0.34 mL/day:

Days 1 vial will last = 10 mL / 0.34 mL/day ≈ 29.41 days

Learn more about calculating meq in iv solution and insulin usage here:

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