The healthcare provider prescribes ampicillin 140 mg intravenously (IV) every 8 hours for a child with meningitis. The vial is labeled "ampicillin 250 mg for intravenous (IV) use" and requires reconstitution with 83 mL of sterile normal saline for injection to yield a total solution concentration of 30 mg/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 ["4.7"]

The healthcare provider prescribes ampicillin 140 mg intravenously (IV) every 8 hours for a child with meningitis.

The vial is labeled "ampicillin 250 mg for intravenous (IV) use" and requires reconstitution with 83 mL of sterile normal saline for injection to yield a total solution concentration of 30 mg/mL.

This means that for every mL of the solution, there is 30 mg of ampicillin.

To administer a dose of 140 mg, the nurse should give the child 4.7 mL of the solution (140 mg ÷ 30 mg/mL = 4.7 mL).

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Correct Answer is ["0.9"]

Explanation

To calculate the volume of medication to administer, we can use the following formula: Volume = Dose / Concentration

In this case, the dose is 135 mg and the concentration is 150 mg/mL. We can calculate the volume required as follows: 135 mg / 150 mg/mL = 0.9 mL

Correct Answer is ["0.25"]

Explanation

The child weighs 55 pounds which is equivalent to 24.95 kg (1 kg = 2.20462 pounds).

The healthcare provider prescribes epinephrine 0.01 mg/kg, so the child should receive 0.2495 mg of epinephrine (0.01 mg/kg 24.95 kg).

The available medication is labeled 1 mg/mL, so the nurse should administer 0.25 mL of medication (0.2495 mg / 1 mg/mL).

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Naxlex Comprehensive Predictor Exams

The nurse is preparing to administer enoxaparin 135 mg subcutaneously. The medication is available in a cartridge labeled 150 mg/mL. How many mL should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Correct Answer is ["0.9"]

Explanation

Correct Answer is ["0.25"]

Explanation

The healthcare provider prescribes 1 liter of 0.9% Sodium chloride, USP intravenously to be infused over 12 hours for a client. How many mL/hr should the nurse program the infusion pump to deliver? (Enter numerical value only. If rounding is required, round to the nearest whole number.)

The healthcare provider prescribes an IV solution of isoproterenol 1 mg in 250 mL of Dextrose in Water (D/W) at a rate of 300 mcg/hour. The nurse should program the infusion pump to deliver how many mL/hour? (Enter numeric value only.)

The healthcare provider prescribes regular insulin 8 units/hour intravenously (IV). The IV solution contains 100 units of regular insulin in 100 mL of 0.9% normal saline. How many mL/hour should the nurse program the infusion pump? (Enter numerical value only.)

A client with pneumonia is receiving a secondary infusion of azithromycin 500 mg in 250 mL of normal saline (NS) to be infused in 90 minutes. How many mL/hour should the nurse program the infusion pump?

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