A nurse is preparing to administer ceftriaxone 250 mg IM to an adult client who has a gonococcal infection. The label on the vial indicates to reconstitute each vial with sterile water 2.1 mL to yield ceftriaxone 350 mg/mL. How many mL of the reconstituted medication should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.71"]

To calculate how many milliliters (mL) of the reconstituted medication to administer, you need to determine the desired dose and then divide it by the concentration of the reconstituted solution.

The label indicates that each vial, when reconstituted, contains ceftriaxone 350 mg/mL.

The desired dose is 250 mg.

So, you can use the following formula:

Volume to administer (mL) = Desired dose (mg) / Concentration of the reconstituted solution (mg/mL)

Volume to administer (mL) = 250 mg / 350 mg/mL

Volume to administer (mL) = 0.7143 mL (rounded to the nearest hundredth)

Therefore, the nurse should administer approximately 0.71 mL of the reconstituted ceftriaxone solution.

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Free Nursing Study Resources

Correct Answer is ["20.3"]

Explanation

To calculate the amount of acetaminophen liquid to administer, you can use the following formula:

Amount (mL) = (Desired Dose in mg) / (Concentration in mg/mL)

Amount (mL) = 650 mg / (160 mg/5 mL) = 20.31 mL

Rounded to the nearest tenth, the nurse should administer approximately 20.3 mL of acetaminophen liquid.

Correct Answer is ["0.04"]

Explanation

To calculate the volume of exenatide to administer, you can use the following formula:

Volume (mL) = (Desired Dose in mcg) / (Concentration in mcg/mL)

In this case, the desired dose is 10 mcg, and the concentration is 250 mcg/mL. Plugging these values into the formula:

Volume (mL) = 10 mcg / 250 mcg/mL = 0.04 mL

Rounded to the nearest hundredth, the nurse should administer approximately 0.04 mL of exenatide.

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer acetaminophen 650 mg PO to a client for pain. Available is acetaminophen liquid 160 mg/5 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.)

Correct Answer is ["20.3"]

Explanation

A nurse is preparing to administer exenatide 10 mcg subcutaneous. Available is exenatide 250 mcg/mL. How many ml. should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.04"]

Explanation

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 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 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.)

A nurse is preparing to administer fentanyl 0.5 mcg/kg via IV bolus to a client who weighs 187 lb. Available is fentanyl 50 mcg/ml. How many mi 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 lisinopril 2.5 mg PO to an older adult client. Available is lisinopril 5 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.)