The healthcare provider prescribes epinephrine 0.01 mg/kg intramuscularly for a child with asthma who weighs 55 pounds. The available medication is labeled 1 mg/mL. Based on the child's weight, how many mL should the nurse administer?
(Enter numerical value only. If rounding is required, round to the nearest hundredth.)
The Correct Answer is ["0.25"]
The child weighs 55 pounds which is equivalent to 24.95 kg (1 kg = 2.20462 pounds).
The healthcare provider prescribes epinephrine 0.01 mg/kg, so the child should receive 0.2495 mg of epinephrine (0.01 mg/kg 24.95 kg).
The available medication is labeled 1 mg/mL, so the nurse should administer 0.25 mL of medication (0.2495 mg / 1 mg/mL).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.0"]
Explanation
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Calculate the total dose:
- The client weighs 59 kg and the dose is 5 mcg/kg, so the total dose is 59 kg * 5 mcg/kg = 295 mcg.
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Calculate the volume to administer:
- The medication is available at a concentration of 300 mcg/mL.
- To find the volume, divide the total dose by the concentration: 295 mcg / 300 mcg/mL = 0.9833 mL.
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Round to the nearest tenth:1.0mL
Correct Answer is ["20"]
Explanation
The client is currently receiving an infusion labeled as 5% Dextrose Injection 500 mL with heparin sodium 25,000 Units. The concentration of heparin in the IV solution is 50 units/mL (25,000 units / 500 mL).
A prescription is received to change the rate of the infusion to heparin 1,000 units/hour.
Since the concentration of heparin in the IV solution is 50 units/mL, the nurse should program the infusion pump to deliver 20 mL/hour of the IV solution (1,000 units/hour / 50 units/mL).
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