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A nurse is preparing to administer rifampin 20 mg/kg/day PO in two divided doses to a client who weighs 132 lb and has tuberculosis. The amount available is rifampin 150 mg capsules. How many capsules should the nurse administer per dose?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["4"]

To determine how many capsules of rifampin the nurse should administer per dose, we can follow these steps:

Convert the client's weight from pounds to kilograms:

132 lb ÷ 2.2 = 59.9 kg (rounded to one decimal place)

Calculate the total daily dose of rifampin:

20 mg/kg/day × 59.9 kg = 1198 mg/day

Divide the total daily dose into two equal doses for administration:

1198 mg/day ÷ 2 = 599 mg per dose

Calculate the number of capsules needed per dose:

150 mg per capsule

599 mg per dose ÷ 150 mg per capsule = 3.9933...

Rounding to the nearest whole number, the nurse should administer 4 capsules per dose.

Therefore, the nurse should administer 4 capsules of rifampin per dose.

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Free Nursing Study Resources

Correct Answer is ["2500"]

Explanation

The nurse needs to administer 2.5 L of 0.45% sodium chloride IV over 24 hours.

We know that 1 L is equal to 1000 mL.

So, 2.5 L is equal to 2.5 x 1000 mL/L = 2500 mL

Therefore, the nurse should administer 2500 mL over 24 hours.

Correct Answer is ["10"]

Explanation

The nurse needs to administer 775 mg of amoxicillin. The available amoxicillin oral suspension is 400 mg/5 mL, which means there are 400 mg of amoxicillin in every 5 mL of the suspension.

Therefore, for a 775 mg dose, the nurse should administer:

775 mg/(400 mg/5mL) = 9.6875 mL of the suspension

So, the nurse should administer approximately 10 mL (rounded to the nearest whole number).

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer 0.45% sodium chloride 2.5 L IV to infuse over 24 hr. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["2500"]

Explanation

A nurse is preparing to administer amoxicillin 775 mg PO. Available is amoxicillin oral suspension 400 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["10"]

Explanation

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