Nokea
A client is receiving a secondary infusion of azithromycin 500 mg in 500 mL of normal saline (NS) to be infused over 2 hours. How many mL/hour should the nurse program the infusion pump? (Enter numerical value only.)
Correct Answer: 250
Rationale: Infusion rate = 500 mL / 2 hours = 250 mL/hour.
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A client with deep vein thrombosis (DVT) is receiving a continuous Infusion of Heparin Sodium 20,000 Units In 5% Dextrose Injection 500 mL at the rate of 25 mL/hour. How many units of heparin should the client receive in 12 hours? (Enter numeric value only.)
Correct Answer: 12000
Rationale: Concentration: 20,000 units / 500 mL = 40 units/mL. Hourly dose: 25 mL/hour × 40 = 1000 units/hour. In 12 hours: 1000 × 12 = 12000 units.
A client is brought to the emergency center for fluid replacement after running a marathon, and the healthcare provider prescribes a 500 mL bolus of 0.9% normal saline to be administered over 4 hours. The Infusion set delivers 10 gtt/mL, so the nurse should regulate the Infusion to deliver how many gtt/minute? (Enter numerical value only. If rounding is required, round to the nearest whole number.)
Correct Answer: 21
Rationale: Infusion rate: 500 mL / 4 hours = 125 mL/hour. Flow rate: (125 × 10) / 60 = 20.833 gtt/min, rounded to 21.
The nurse is caring for a client with an oral temperature of 100.6° F. What temperature in Celsius should the nurse document in the medical record? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
Correct Answer: 38.1
Rationale: C = (F - 32) × 5/9 = (100.6 - 32) × 5/9 = 38.111, rounded to 38.1°C.
The healthcare provider prescribes cefazolin 800 mg IM every six hours. The available vial is labeled, 'Cefazolin 1 gram,' and the instructions for reconstitution state, For IM use add 2.5 mL sterile water for injection to provide a total volume of 3.0 mL'. After reconstitution, the solution contains how many mg/mL? (Enter numeric value only. If rounding is required, round to the nearest whole number.)
Correct Answer: 333
Rationale: Concentration: 1000 mg / 3 mL = 333.333 mg/mL, rounded to 333.
A client who weighs 154 pounds receives a prescription for epoetin alfa 50 units/kg subcutaneously 3 times a week. The medication is available in 2000 units/ml. vial. How many mL should the nurse administer with each dose? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
Correct Answer: 1.7
Rationale: Weight: 154 × 0.4536 = 69.8544 kg. Dose: 50 units/kg × 69.8544 = 3492.72 units. Volume: 3492.72 / 2000 = 1.74636 mL, rounded to 1.7 mL.