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The primary healthcare provider (PHCP) prescribes 500 mg of intravenous (IV) metronidazole to be administered over thirty minutes. The pharmacy supplies the medication in a bag labeled 500 mg of metronidazole in 100 mL of 0.9% saline. How many mL/hour should the nurse administer to the client? Fill in the blank.
Correct Answer: 200 mL/hr
Rationale: Convert 30 minutes to 0.5 hours. Flow rate: 100 mL ÷ 0.5 hr = 200 mL/hr.
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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.
The primary healthcare provider (PHCP) prescribes 2350 mL of 0.9% saline to be administered over five hours to a client with severe hypovolemia. How many mL/hr will the nurse administer? Fill in the blank.
Correct Answer: 470 mL/hr
Rationale: Calculate: 2350 mL ÷ 5 hr = 470 mL/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 a bolus of regular insulin prior to the nurse administering a continuous infusion. The prescription is for 0.1 units/kg. The client weighs 116.36 kg (255.99 lbs). How many units of insulin should the nurse administer to the client? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 12 units
Rationale: Calculate: 0.1 units/kg × 116.36 kg = 11.636 units, rounded to 12 units.
The primary healthcare provider (PHCP) prescribes 500 mL of 0.45% saline to be administered over one hour. The drop factor is 10 gtts/mL. How many drops per minute should the nurse set the flow rate at? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 83 gtts/minute
Rationale: To calculate drops per minute, use the formula: (volume in mL × drop factor) ÷ time in minutes. Here, 500 mL × 10 gtts/mL = 5000 gtts, divided by 60 minutes = 5000 ÷ 60 ≈ 83.33, rounded to 83 gtts/minute.