A nurse is preparing to administer heparin 17,500 units subcutaneous every 12 hr. Available is heparin injection 20,000 units/mL. How many mL should the nurse administer per dose?
(Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.88"]
Step 1 is to calculate the volume of heparin to be administered. The calculation is as follows: 17,500 units ÷ (20,000 units/mL) = 0.875 mL.
So, the correct answer is 0.88 mL (rounded to the nearest hundredth).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.04"]
Explanation
Step 1 is to determine the amount of medication in 1 mL. This is calculated by dividing the total available medication (250 mcg) by the total volume (1 mL):
250 mcg ÷ 1 mL = 250 mcg/mL
Step 2 is to determine how many mL are needed to obtain 10 mcg. This is done by dividing the required dose (10 mcg) by the concentration (250 mcg/mL):
10 mcg ÷ 250 mcg/mL = 0.04 mL
Thus, the correct amount to administer is 0.04 mL.
Correct Answer is ["2.4"]
Explanation
Calculation:
-
Convert the client’s weight from pounds to kilograms
Weight = 130 ÷ 2.2
≈ 59 kg
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Calculate the ordered dose in units
Ordered Dose = 8 × 59
Ordered Dose = 472 units
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Identify the available concentration
Available Concentration: 200 units/mL
-
Calculate the volume to administer
Volume to administer = Ordered Dose ÷ Concentration
Volume to administer = 472 ÷ 200
Volume to administer = 2.36 mL
-
Round to the nearest tenth
= 2.4 mL
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