A client is receiving one liter of DW 0.45% normal saline IV every 8 hours by gravity infusion. The IV tubing has a drip factor of 12 gtt/mL. The nurse should regulate the IV to deliver how many drops per minute? (Enter numeric value only. If rounding is required, round to the nearest whole number.)
Correct Answer: 25
Rationale: Infusion rate: 1000 mL / 8 hours = 125 mL/hour. Flow rate: (125 × 12) / 60 = 25 gtt/min.
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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.
A 4-year-old is admitted with croup and receives a prescription for a single dose of dexamethasone 0.6 mg/kg IM. The child weighs 35 pounds. How many mg should the nurse administer? (Enter numerical value only. If rounding is required, round to the nearest whole number.)
Correct Answer: 10
Rationale: Convert weight: 35 pounds × 0.454 kg/pound = 15.89 kg (rounded to 16 kg). The dose is 0.6 mg/kg, so 16 × 0.6 = 9.6 mg, rounded to 10 mg.
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.
The healthcare provider prescribes magnesium hydroxide 4800 mg by mouth at bedtime for a client with constipation. The bottle is labeled 'Magnesium Hydroxide Saline Laxative, USP 400 mg per 5 mL.' How many ounces should the nurse instruct the client to take with each dose? (Enter numerical value only.)
Correct Answer: 0.41
Rationale: Volume: 4800 mg / (400 mg / 5 mL) = 12 mL. Convert to ounces: 12 × 0.033814 = 0.405768 oz, rounded to 0.41 oz.
Filgrastim 5 mcg/kg/day subcutaneous is prescribed for a child with cancer who weighs 88 pounds. The medication is labeled 300 mcg/mL. How many mL should the nurse administer daily to this child? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)
Correct Answer: 0.7
Rationale: Weight: 88 × 0.454 = 39.952 kg. Dose: 5 mcg/kg/day × 39.952 = 199.76 mcg/day. Volume: 199.76 / 300 = 0.66587 mL, rounded to 0.7 mL.
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