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A nurse is preparing to administer digoxin 0.375 mg PO daily. Available is digoxin elixir 0.05 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["7.5"]

Determine the desired dosage:

The nurse needs to administer 0.375 mg of digoxin.

Determine the volume per dose:

The digoxin elixir contains 0.05 mg per 1 mL.

The nurse needs to administer 0.375 mg per dose.

To find the volume per dose, we can set up a proportion:

0.05 mg / 1 mL = 0.375 mg / x mL

Cross-multiplying gives us:

0.05x = 0.375

Dividing both sides by 0.05, we get:

x = 7.5 mL

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Correct Answer is ["1"]

Explanation

Convert the client's weight from pounds to kilograms:

There are 2.205 pounds in 1 kilogram.

146.7 lb = 146.7 lb / 2.205 lb/kg = 66.53 kg (rounded to two decimal places).

Determine the total dosage:

The client is prescribed 7.5 mg/kg of metronidazole.

The client weighs 66.53 kg.

The total dosage is 7.5 mg/kg x 66.53 kg = 498.975 mg.

Determine the number of tablets per dose:

Each tablet contains 500 mg of metronidazole.

The nurse needs to administer 498.975 mg per dose.

To find the number of tablets per dose, we can set up a proportion:

500 mg / 1 tablet = 498.975 mg / x tablets

Cross-multiplying gives us:

500x = 498.975

Dividing both sides by 500, we get:

x = 0.99795 tablets

Round the answer to the nearest whole number:

Rounding 0.99795 to the nearest whole number gives us 1 tablet.

Correct Answer is ["5.3"]

Explanation

Convert the child's weight from pounds to kilograms:

There are 2.205 pounds in 1 kilogram.

53 lb = 53 lb / 2.205 lb/kg = 24.04 kg (rounded to two decimal places).

Determine the total daily dosage:

The child is prescribed 10 mg/kg/day of clindamycin.

The child weighs 24.04 kg.

The total daily dosage is 10 mg/kg/day x 24.04 kg = 240.4 mg/day.

Calculate the dosage per dose:

The medication is to be administered in three divided doses.

The dosage per dose is 240.4 mg/day / 3 doses = 80.133 mg/dose.

Determine the volume per dose:

The clindamycin oral solution contains 75 mg per 5 mL.

The nurse needs to administer 80.133 mg per dose.

To find the volume per dose:

75 mg / 5 mL = 80.133 mg / x mL

Cross-multiplying gives us:

75x = 400.665

Dividing both sides by 75, we get:

x = 5.3422 mL

Round the answer to the nearest tenth:

Rounding 5.3422 to the nearest tenth gives us 5.3 mL.

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A nurse is preparing to administer digoxin 0.375 mg PO daily. Available is digoxin elixir 0.05 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer metronidazole 7.5 mg/kg PO to a client who weighs 146.7 lb. Available is metronidazole 500 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use trailing zero.)

Correct Answer is ["1"]

Explanation

Correct Answer is ["5.3"]

Explanation

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