A nurse is preparing to administer penicillin G potassium 1,000,000 units intermittent IV bolus. The label on the vial indicates to reconstitute with 50 ml of sterile water to make penicillin G potassium 100,000 units/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.)

Answer and Explanation

The Correct Answer is ["10"]

To determine how many milliliters (mL) of the reconstituted penicillin G potassium to administer, you can use the following calculation:

Given:

Reconstituted concentration: 100,000 units/mL
Total dose to be administered: 1,000,000 units

Now, use the formula:

Volume (mL) = Total dose (units) / Concentration (units/mL)

Volume (mL) = 1,000,000 units / 100,000 units/mL

Volume (mL) = 10 mL

So, the nurse should administer 10 mL of the reconstituted penicillin G potassium.

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Correct Answer is ["2500"]

Explanation

Since the total volume is 2.5 L and you need to administer it over 24 hours, the total amount to be administered is simply the entire volume.

Total volume to administer: 2.5 L
Convert to milliliters (mL): 2.5 L = 2,500 mL

So, the nurse should administer 2,500 mL over 24 hours.

Correct Answer is ["145"]

Explanation

To calculate the dose of metronidazole for a client who weighs 212 lb, the nurse needs to convert the weight to kilograms and multiply it by the prescribed dose of 7.5 mg/kg.

One kilogram is equal to 2.2 lb, so the client's weight in kilograms is 212/2.2 = 96.36 kg. The dose of metronidazole in milligrams is 96.36 x 7.5 = 722.7 mg.

The nurse needs to find out how many mL of the available solution contain this amount of metronidazole.

The available solution has a concentration of 500 mg/100 mL, so the nurse can use a proportion to solve for the volume: 500/100 = 722.7/x.

Cross-multiplying and solving for x gives x = 722.7 x 100 / 500 = 144.54 mL.

The nurse should round the answer to the nearest whole number, so the final answer is 145 mL.

The nurse should administer 145 mL of metronidazole via intermittent IV bolus to the client.

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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

Correct Answer is ["145"]

Explanation

A nurse is preparing to administer ondansetron 0.15 mg/kg IV to a client who weighs 132 lb. Available is ondansetron 2 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.)

A nurse is preparing to administer dextrose 5% in water 1,000 mL IV to infuse over 6 hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer enoxaparin 40 mg subcutaneous for prevention of deep vein thrombosis. Available is enoxaparin 100 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.)

A nurse is preparing to administer prednisone 15 mg PO to a client who has rheumatoid arthritis. Available is prednisone 10 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

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