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).
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["10"]
Explanation
Step 1 is to calculate the volume to administer. The volume is 775 mg ÷ (400 mg/5 mL) = 9.6875 mL.
So, the correct answer is 10 mL after rounding to the nearest whole number.
Correct Answer is ["68"]
Explanation
Step 1 is to convert the client’s weight from pounds to kilograms, as the dosage is prescribed in mg/kg. Given that 1 kg = 2.2 lb, we calculate:
99 lb ÷ 2.2 = 45 kg
Rounding to the nearest whole number, the client’s weight is 45 kg.
Step 2 is to determine the total dosage of acetaminophen required. The prescribed dosage is 15 mg/kg, so we calculate:
15 mg/kg × 45 kg = 675 mg
Step 3 is to determine the volume to administer. The available concentration of acetaminophen is 1,000 mg/100 mL, which simplifies to 10 mg/mL. So, we divide:
675 mg ÷ 10 mg/mL = 67.5 mL
Rounding to the nearest whole number, the correct amount to administer is 68 mL.
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