The primary healthcare provider (PHCP) prescribes 4 mg of morphine intramuscular (IM). The medication vial reads morphine sulfate, 10 mg/mL. How many mL should the nurse administer? Fill in the blank. Record your answer using 1 decimal place.
Correct Answer: 0.4 mL
Rationale: Calculate: 4 mg ÷ 10 mg/mL = 0.4 mL.
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The primary healthcare provider orders methylprednisolone 1.6 mg/kg for a child weighing 30.4 kg (66.8 lbs). The label on the medication reads 500 mg/4 mL. How many milliliters (mL) should the nurse administer? Fill in the blank. Round your answer using 1 decimal place.
Correct Answer: 0.4 mL
Rationale: Calculate dose: 1.6 mg/kg × 30.4 kg = 48.64 mg. Convert: (48.64 mg ÷ 500 mg) × 4 mL = 0.39 mL, rounded to 0.4 mL.
The nurse is caring for a client prescribed IV heparin. The client is prescribed 15 units/kg/hr. The client weighs 115.9 kg (254.8 lbs). The heparin is labeled with 25,000 units in 250 mL of D5W. How many mL/hr should this client receive? Fill in the blank. Record your answer using a whole number.
Correct Answer: 17 mL/hr
Rationale: Calculate dose: 15 units/kg/hr × 115.9 kg = 1738.5 units/hr. Flow rate: (1738.5 units/hr ÷ 25,000 units) × 250 mL = 17.39 mL/hr, rounded to 17 mL/hr.
The primary healthcare provider (PHCP) prescribes 100 mL of 0.9% saline to infuse over 45 minutes. How many mL per hour will the nurse administer to the client? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 133 mL/hr
Rationale: Convert 45 minutes to 0.75 hours. Flow rate: 100 mL ÷ 0.75 hr = 133.33 mL/hr, rounded to 133 mL/hr.
The nurse is caring for a client prescribed IV heparin. The client is prescribed 18 units/kg/hr. The client weighs 111.8 kg (245.96 Ibs). The heparin is labeled with 25,000 units in 250 mL of D5W. How many mL/hr should this client receive? Fill in the blank. Round to the nearest whole number.
Correct Answer: 20 mL/hr
Rationale: Calculate dose: 18 units/kg/hr × 111.8 kg = 2012.4 units/hr. Flow rate: (2012.4 units/hr ÷ 25,000 units) × 250 mL = 20.12 mL/hr, rounded to 20 mL/hr.
A client is receiving 10 mL/hr of a prescribed regular insulin infusion. The label on the bag reads 50 units of regular insulin in 100 mL of 0.9% saline. How many units of insulin is the client receiving every hour? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 5 units/hour
Rationale: Calculate: (50 units ÷ 100 mL) × 10 mL/hr = 5 units/hr.
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