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A client is prescribed 10,000 units of heparin. How many mL per dose should be administered from a vial containing heparin, with a concentration of 20,000 units/mL?

0.5 mL

1 mL

1.5 mL

2 mL

Answer and Explanation

The Correct Answer is A

To determine the mL per dose of heparin, we can use the following formula:

mL per dose = (total units needed) / (concentration of heparin in units/mL). Substituting the values given in the

Question :.

mL per dose = 10,000 units / 20,000 units/mL = 0.5 mL per dose.

Therefore, the client should receive 0.5 mL per dose of heparin from the vial containing a concentration of 20,000 units/mL.

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Correct Answer is B

Explanation

We can use the following formula to calculate the infusion time:

Infusion time (in hours) = Remaining volume (in mL) / Infusion rate (in mL/hr)

First, let's convert the current time to minutes since we will be calculating the infusion time in minutes as well:

19:30 = 19 hours x 60 minutes/hour + 30 minutes = 1170 minutes Now we can substitute the given values into the formula:

Infusion time (in hours) = 376 mL / 40 mL/hr Infusion time (in hours) = 9.4 hours

To convert this to hours and minutes, we can separate the integer and decimal parts of the answer:

9 hours (integer part) and 0.4 hours x 60 minutes/hour = 24 minutes (decimal part)

Therefore, the infusion time is 9 hours and 24 minutes, and the infusion will finish at approximately 04:54 (19:30 + 9 hours and 24 minutes).

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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A client is prescribed 10,000 units of heparin. How many mL per dose should be administered from a vial containing heparin, with a concentration of 20,000 units/mL?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is infusing an IV fluid at 40 mL/hr, and 376 mL of fluid remains in the bag. The current time is 19:30. What is the infusion time in hr and min?

Correct Answer is B

Explanation

Coumadin 75 mg is ordered for a patient with deep vein thrombosis. Coumadin 25 mg oral tablets are available in the electronic medication administration record. How many tablets should the nurse administer to the patient?

Correct Answer is C

Explanation

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