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The primary healthcare provider (PHCP) prescribes 0.375 mg of digoxin intravenously (IV) to a client. The nurse has 0.25 mg/mL of digoxin on hand. How many mL will the nurse administer? Fill in the blank. Record your answer using 1 decimal place.
Correct Answer: 1.5 mL
Rationale: Calculate: 0.375 mg ÷ 0.25 mg/mL = 1.5 mL.
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The primary healthcare provider (PHCP) prescribes cefdinir 25 mg/kg/day in divided doses every six hours. The infant weighs 8 kg (17.6 lbs). How many milligrams should the nurse administer per dose? Fill in the blank. Round your answer to a whole number.
Correct Answer: 50 mg
Rationale: Calculate daily dose: 25 mg/kg × 8 kg = 200 mg. Four doses per day: 200 mg ÷ 4 = 50 mg per dose.
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.
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 mg of amoxicillin oral suspension by mouth, four times a day. The nurse has amoxicillin 250 mg per 5 mL on hand. How many milliliters in a single dose should the nurse administer to the client? Fill in the blank.
Correct Answer: 2 mL
Rationale: Calculate: (100 mg ÷ 250 mg) × 5 mL = 2 mL.
The primary healthcare provider (PHCP) prescribes 150 mL of sterile water to be administered over one hour. The drop factor is 15 gtts/mL. How many drops per minute will the nurse set the flow rate at? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 38 gtts/minute
Rationale: Calculate: (150 mL × 15 gtts/mL) ÷ 60 min = 2250 gtts ÷ 60 = 37.5 gtts/min, rounded to 38 gtts/min.