A nurse is preparing to administer nystatin 400,000 units PO... | ATI Dosage Calculation PN Adult Medical Surgical Proctored Assessment 3.2 (I)

Practice Question

A nurse is preparing to administer nystatin 400,000 units PO every 6 hr. Available is nystatin oral suspension 100,000 units/mL. How many mL 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 Choices:

A. 4 ✓ Correct Answer

Correct Answer:

Rationale:

Step-by-step calculation:

Formula:

Volume (mL) = Dose ordered (units) ÷ Concentration available (units/mL)

Step 1: Identify known values

Dose ordered = 400,000 units

Available concentration = 100,000 units/mL

Step 2: Plug values into the formula

400,000 units ÷ 100,000 units/mL = 4 mL

Step 3: Round to the nearest whole number

4 mL is already a whole number. No rounding needed.

✅ Final Answer: 4 mL

Educational Insight:

Nystatin is an antifungal commonly used to treat oral candidiasis. Because it is measured in units, precision is crucial when preparing liquid doses. Ensure that the oral suspension is measured with a calibrated syringe and that the client retains the medication in the mouth as long as possible before swallowing to increase mucosal contact time.

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Question Details

Category: LPN - Nursing Exam(s)
Subcategory: ATI Exams
Domain: DOSAGE CALCULATION PN
Answer Choices: 1

NursingSprint

Practice Question

A nurse is preparing to administer nystatin 400,000 units PO every 6 hr. Available is nystatin oral suspension 100,000 units/mL. How many mL 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.)

Correct Answer:

Rationale:

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ATI Dosage Calculation PN Adult Medical Surgical Proctored Assessment 3.2 (I)

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Practice Question

A nurse is preparing to administer nystatin 400,000 units PO every 6 hr. Available is nystatin oral suspension 100,000 units/mL. How many mL 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.)

Correct Answer:

Rationale:

Want to practice more questions like this?

More Questions from This Exam

A nurse is preparing to administer lisinopril 2.5 mg PO to an older adult client. Available is lisinopril 5 mg tablet 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 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 trailing zero.)

A nurse is preparing to administer calcitonin 8 units/kg IM to a client who weighs 165 lb. Available is 200 units/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer ketorolac 30 mg IM for loading dose. Available is ketorolac injection 15 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 furosemide 30 mg IM to client. Available is furosemide 10 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use leading zero if it applies. Do not use a trailing zero.)

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ATI Dosage Calculation PN Adult Medical Surgical Proctored Assessment 3.2 (I)

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