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A client with an extrapyramidal reaction receives a prescription for diphenhydramine 35 mg IM. The medication is supplied as 50 mg/mL in a 1 mL prefilled single use syringe. How many mL should the nurse give? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["0.7"]

The nurse should administer 0.7 mL of diphenhydramine.

Here's the calculation:

Medication dosage: 35 mg (diphenhydramine)

Medication concentration: 50 mg/mL (given on the syringe label)

We need to find the volume (mL) containing the prescribed dose (35 mg) of diphenhydramine.

Volume to administer (mL) = Dose (mg) / Concentration (mg/mL)

Volume to administer (mL) = 35 mg / 50 mg/mL

Volume to administer (mL) = 0.7 mL (round to nearest tenth)

Therefore, the nurse should administer 0.7 mL of diphenhydramine

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Correct Answer is ["18"]

Explanation

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

Heparin concentration:

The medication is available in a 250 mL bag containing 20,000 units of heparin.

Heparin concentration (units/mL) = Total heparin (units) / Volume (mL)

Heparin concentration (units/mL) = 20,000 units / 250 mL

Heparin concentration (units/mL) = 80 units/mL (round to nearest whole number)

Prescribed heparin dose: 1,400 units/hour (given)

We need to find the volume delivered per hour (mL/hour) to achieve the prescribed heparin dose (1400 units/hour) considering the concentration (80 units/mL).

Infusion rate (mL/hour) = Dose (units/hour) / Concentration (units/mL)

Infusion rate (mL/hour) = 1400 units/hour / 80 units/mL

Infusion rate (mL/hour) = 17.5 mL/hour (round to nearest whole number)

Therefore, the nurse should program the infusion pump to deliver approximately 18 mL/hour.

Correct Answer is ["1.8"]

Explanation

Here's how to calculate the volume (mL) of diazepam the nurse should administer:

Calculate the total dose of diazepam for the child:

Dose per kg: 0.3 mg/kg (given)

Child's weight: 30 kg (given)

Total dose (mg) = Dose per kg (mg/kg) x Child's weight (kg)

Total dose (mg) = 0.3 mg/kg * 30 kg

Total dose (mg) = 9 mg (round to nearest whole number)

Concentration of the medication:

The medication is available in 5 mg/mL vials (given).

Calculate the volume to administer:

Volume to administer (mL) = Total dose (mg) / Concentration (mg/mL)

Volume to administer (mL) = 9 mg / 5 mg/mL

Volume to administer (mL) = 1.8 mL (round to nearest tenth)

Therefore, the nurse should administer approximately 1.8 mL of diazepam intravenously.

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A client with an extrapyramidal reaction receives a prescription for diphenhydramine 35 mg IM. The medication is supplied as 50 mg/mL in a 1 mL prefilled single use syringe. How many mL should the nurse give? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["18"]

Explanation

A child who weighs 30 kg is experiencing a grand mal seizure. The healthcare provider prescribes diazepam 0.3 mg/kg/dose IV STAT. The medication is available in 5 mg/mL vials. How many mL should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth).

Correct Answer is ["1.8"]

Explanation

A client with an extrapyramidal reaction receives a prescription for diphenhydramine 35 mg IM. The medication is supplied as 50 mg/mL in a 1 mL prefilled single use syringe. How many mL should the nurse give? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)

The healthcare provider prescribes 0.075 mg of levothyroxine PO daily. The medication is labeled, "50 mcg tablets." How many tablets should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

The healthcare provider prescribes a liter of normal saline 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).

The nurse is preparing to administer ampicillin PO to a 12-year-old child with impetigo who weighs 88 pounds. The prescription is for 50 mg/kg/day. How many mg should the child receive per day? (Enter numeric value only.)

A 9-year-old child who weighs 66 lb is to receive gentamicin sulfate 2 mg/kg/dose every 8 hours for an Escherichia coli urinary tract infection. How many mg per dose should this child receive? (Enter numeric value only.)

A client receives a prescription for 1 liter of lactated Ringer's IV to be infused over 8 hours. The IV administration set delivers 10 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.)