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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Correct Answer is ["1.5"]

Explanation

To calculate the number of tablets to administer, you can use the following calculation:

Number of tablets = Desired dose (mg) / Tablet strength (mg per tablet)

Number of tablets = 15 mg / 10 mg per tablet

Number of tablets = 1.5 tablets

Correct Answer is ["10"]

Explanation

To calculate the volume in milliliters (mL) of amoxicillin oral suspension needed to administer 775 mg, you can use the following formula:

Volume (mL) = (Desired dose in mg / Concentration in mg/mL)

Given:

Desired dose = 775 mg
Concentration = 400 mg/5 mL

First, calculate the concentration in mg/mL by dividing 400 mg by 5 mL:

Concentration = 400 mg / 5 mL = 80 mg/mL

Now, use the formula to calculate the volume in mL:

Volume (mL) = (775 mg / 80 mg/mL)

Volume (mL) ≈ 9.69 mL

Rounded to the nearest whole number, the nurse should administer approximately 10 mL of amoxicillin oral suspension to provide a dose of 775 mg.

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Naxlex Comprehensive Predictor Exams

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.)

Correct Answer is ["1.5"]

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 c 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

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.)

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A nurse is preparing to administer amiodarone 300 mg IV bolus over 10 min to a client. Available is amiodarone 50 mg/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.)

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.)

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.)