Penicillin G procaine 240,000 units Intramuscularly (IM) is prescribed for a 4-year-old child who has a streptococcal respiratory infection. The medication vial is labeled, *1,200,000 units/2 mL" How many mL should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["0.4"]

Here's the breakdown of the calculation:

The medication vial is labeled 1,200,000 units/2 mL, which means there are 1,200,000 units of penicillin G per every 2 mL of the medication.

We need to find out how many mL are needed to administer the prescribed dose of 240,000 units.

To do this, we can divide the desired dose (240,000 units) by the concentration of the medication (units per mL).

Calculation:

Dose per mL = 1,200,000 units / 2 mL = 600,000 units/mL

Desired dose / Dose per mL = 240,000 units / 600,000 units/mL = 0.4 mL

Rounding to the nearest tenth, the nurse should administer 0.4 mL of Penicillin G procaine.

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Free Nursing Study Resources

Correct Answer is ["42"]

Explanation

Here's how to calculate the infusion rate (gtt/min) for the azithromycin administration:

1. We know:

Total volume of solution (including azithromycin and normal saline): 500 mL (given)

Infusion duration: 2 hours (given)

IV administration set drip rate: 10 gtt/mL (given)

2. We need to find:

Infusion rate (gtt/min)

Steps:

Calculate the total volume to be infused per hour:

Volume per hour (mL) = Total volume (mL) / Infusion time (hours)

Volume per hour (mL) = 500 mL / 2 hours

Volume per hour (mL) = 250 mL/hour

Calculate the infusion rate in gtt/min:

Infusion rate (gtt/min) = Volume per hour (mL) x Drip rate (gtt/mL) / 60 minutes/hour (convert hour to minutes)

Infusion rate (gtt/min) = 250 mL/hour x 10 gtt/mL / 60 minutes/hour

Infusion rate (gtt/min) = 41.67 gtt/min (round to nearest whole number)

Therefore, the nurse should regulate the infusion at approximately 42 gtt/min.

Correct Answer is ["111"]

Explanation

Here's how to calculate the infusion rate (mL/hour) for the normal saline administration:

We know:

Total volume of normal saline solution: 1 liter (given) = 1000 mL (convert liters to mL)

Infusion time: 9 hours (given)

We need to find:

Infusion rate (mL/hour)

Calculation:

Infusion rate (mL/hour) = Total volume of solution (mL) / Infusion time (hours)

Infusion rate (mL/hour) = 1000 mL / 9 hours

Infusion rate (mL/hour) = 111.11 mL/hour (round to nearest whole number)

Therefore, the nurse should program the infusion pump to deliver 111 mL/hour.

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["42"]

Explanation

The healthcare provider prescribes a liter of normal saline 0.9% IV to be infused over 9 hours for a client who is NPO. The nurse should program the infusion pump to deliver how many mL/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number).

Correct Answer is ["111"]

Explanation

A client who weighs 154 lb receives a prescription for epoetin alfa 50 units/kg SUBQ 3 times a week. The medication is available in 2,000 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.)

The nurse is preparing a dose of ketorolac 12 mg IV using a 1 mL vial containing 30 mg/mL. How many mL should the nurse administer? (Enter numerical value only.)

A client receives a prescription for 1 liter of lactated Ringer's IV to be infused over 12 hours. The IV administration set delivers 60 gtt/mL. How many gtt/min should the nurse regulate the infusion? (Enter numerical value only. If rounding is required, round to the nearest whole number.)

A client scheduled for coronary artery bypass surgery is to receive an intravenous (IV) 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.)

The healthcare provider prescribes an intravenous (IV) bolus of diltiazem 0.25 mg/kg for a client with atrial fibrillation. The client weighs 178 pounds. How many mg should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

An adult client receives a prescription for diphenhydramine 15 mL by mouth (PO) every 12 hours as needed (PRN) for pruritus. The bottle is labeled, "Diphenhydramine 12.5 mg/5 mL." What is the total daily dose in mg that the client receives? (Enter numerical value only.)