A nurse is preparing to administer amantadine 150 mg PO for a client who is experiencing parkinsonism due to an antipsychotic medication.
Available is amantadine 50 mg/5 mL oral solution.
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.)
The Correct Answer is ["15"]
Step 1 is to determine the amount of amantadine needed, which is 150 mg as prescribed.
Step 2 is to calculate the volume of the solution needed to deliver this dose. The available solution has a concentration of 50 mg per 5 mL. Using the formula:
(Prescribed dose ÷ Available dose) × Volume per dose
(150mg ÷ 50mg) × 5mL = 15mL
Therefore, the correct answer is 15 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Keeping the television on at all times can increase confusion and agitation in clients with Alzheimer’s disease due to the constant noise and changing images.
Choice B rationale:
Abstract pictures can be confusing and disorienting for clients with Alzheimer’s disease. It’s better to use simple, familiar images.
Choice C rationale:
Keeping familiar personal items in the client’s room can help orient the client to their surroundings and decrease confusion.
Choice D rationale:
Bright lighting can help reduce confusion and agitation in clients with Alzheimer’s disease by making the environment clear and easy to navigate.
So, the correct answer is C. Keep familiar personal items in client’s room.
Correct Answer is ["3.5"]
Explanation
Answer and explanation
Step 1 is to calculate the volume of haloperidol lactate oral solution that contains 7 mg of haloperidol lactate. This is done by dividing the prescribed dose (7 mg) by the concentration of the oral solution (2 mg/mL). So, 7 mg ÷ 2 mg/mL = 3.5 mL.
So, the correct answer is 3.5 mL.
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