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At 9:00 a.m. a nurse starts an intravenous (IV) infusion for a client at the rate of 120 mL/hr. If the volume of the fluid is 0.75 L, when will this infusion be completed?

3:01 p.m.

3:15 p.m.

3:25 p.m.

3:45 p.m.

Answer and Explanation

The Correct Answer is B

We can use the formula for calculating infusion time:. Infusion time = Total volume / Infusion rate.

First, we need to convert the volume of the fluid from liters to milliliters:.

0.75 L = 750 mL.

Next, we can plug in the values we have:. Infusion time = 750 mL / 120 mL/hr.

Infusion time = 6.25 hours.

Since the infusion was started at 9:00 a.m., we can add 6.25 hours to determine when the infusion will be completed:.

9:00 a.m. + 6.25 hours = 3:15 p.m..

Therefore, the infusion will be completed at 3:15 p.m.

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Correct Answer is B

Explanation

The amount of solution the nurse should withdraw from the vial can be calculated using the following formula:

Amount of solution = Amount of medication needed / Concentration of medication in the solution.

In this case, the amount of medication needed is 17.1 mg and the concentration of medication in the solution is 3 mg/mL. Substituting these values into the formula, we get:

Amount of solution = 17.1 mg / 3 mg/mL = 5.7 mL

Therefore, the answer is B. The nurse should withdraw 5.7 mL of solution from the vial.

A. 1 tablet B. 2 tablets C. 3 tablets D. 4 tablets E. 4 tablets

Correct Answer is C

Explanation

The correct answer is choice C, 3 tablets. To calculate the number of tablets, divide the ordered dose by the available dose:

75 mg ÷ 25 mg = 3

The nurse should administer 3 tablets of Coumadin 25 mg to the patient to give a total dose of 75 mg.

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At 9:00 a.m. a nurse starts an intravenous (IV) infusion for a client at the rate of 120 mL/hr. If the volume of the fluid is 0.75 L, when will this infusion be completed?

Nursing Test Bank

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