RN Hesi Med Surg Dosage Calculations

RN Hesi Med Surg Dosage Calculations Related

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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.

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A client is receiving a 200 mL bolus of 0.9% normal saline (NS) to be infused over 20 minutes. The nurse should set the Infusion pump to deliver how many mL/hour? (Enter numeric value only.)

Correct Answer: 600

Rationale: Infusion rate = 200 mL / (20 / 60) hours = 600 mL/hour.

The healthcare provider prescribes 1 liter of lactate Ringers to infuse in 8 hours. The IV administration set delivers 15 gtt/mL. How many mL/hour should the nurse program the infusion pump? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

Correct Answer: 125

Rationale: Infusion rate = 1000 mL / 8 hours = 125 mL/hour.

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.

The nurse plans to provide the next shift with the IV fluid balance for a client who had a 440 mL secondary infusion that was started 2 hours ago at a rate of 85 ml/hour via an infusion pump. What is the remaining volume to be infused? (Enter numeric value only.)

Correct Answer: 270

Rationale: Infused volume = 85 mL/hour × 2 hours = 170 mL. Remaining volume = 440 - 170 = 270 mL.

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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