A child who weighs 42 kg receives a prescription for methylp...

A child who weighs 42 kg receives a prescription for methylprednisolone succinate 1.5 mg/kg/day intravenously in divided doses every 6 hours. The medication is available in 40 mg/mL vials. 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: 0.4

Rationale: Daily dose: 1.5 mg/kg/day Ã— 42 = 63 mg/day. Per dose (every 6 hours, 4 doses/day): 63 / 4 = 15.75 mg. Volume: 15.75 / 40 = 0.39375 mL, rounded to 0.4 mL.

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The healthcare provider prescribes liraglutide 1.2 mg subcutaneously daily for a client with type 2 diabetes mellitus. The liraglutide Pen contains 18 mg of liraglutide and will deliver doses of 0.6 mg, 1.2 mg, or 1.8 mg. When teaching the client about the use of the liraglutide Pen, how many doses should the nurse tell the client is available in each Pen? (Enter the numerical value only.)

Correct Answer: 15

Rationale: Doses = Total amount / Dose = 18 mg / 1.2 mg = 15 doses.

Dobutamine hydrochloride 2 mcg/kg/min is prescribed for a client weighing 165 pounds. The solution is mixed with 50 mg of dobutamine In 1,000 mL of DW. The nurse should set the Infusion pump to deliver how many mL/hour? (Enter numeric value only.)

Correct Answer: 180

Rationale: Weight: 165 / 2.2 = 75 kg. Dose: 2 mcg/kg/min Ã— 75 = 150 mcg/min Ã— 60 = 9000 mcg/hour. Concentration: 50 mg = 50000 mcg / 1000 mL = 50 mcg/mL. Volume = 9000 / 50 = 180 mL/hour.

A client scheduled for coronary artery bypass surgery is to receive an intravenous infusion of 1 gram cefazolin in 50 mL 0.9% Sodium Chloride, USP over 30 minutes. The nurse should program the infusion pump to deliver how many mL/hour? (Enter numeric value only, as a whole number.)

Correct Answer: 100

Rationale: Infusion rate = Volume / Time. Volume is 50 mL, time is 30 minutes = 0.5 hours. So, 50 / 0.5 = 100 mL/hour.

A child is to receive vancomycin 40 mg/kg intravenously one hour before a scheduled procedure. The child weighs 44 pounds. How many mg of the medication should the nurse administer? (Enter numeric value only.)

Correct Answer: 798

Rationale: Weight: 44 Ã— 0.4536 = 19.9584 kg. Dose: 40 mg/kg Ã— 19.9584 = 798.336 mg, rounded to 798.

A child with a seizure disorder receives a prescription for phenytoin 20 mg by mouth every 8 hours. The suspension is available in 125 mg/5 mL. How many ml. should the nurse administer? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)

Correct Answer: 0.8

Rationale: Volume = 20 mg Ã— (5 mL / 125 mg) = 0.8 mL.