A nurse is preparing to administer phenytoin 200 mg PO to a client. Available is phenytoin oral suspension 125 mg/5 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.)
The Correct Answer is ["8"]
To calculate the dose of phenytoin oral suspension, the nurse should use the following formula:
Dose (mL) = Desired dose (mg) / Concentration (mg/mL) x Volume (mL)
Plugging in the values from the question, we get:
Dose (mL) = 200 mg / 125 mg/5 mL x 5 mL
Simplifying the equation, we get:
Dose (mL) = 8 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.75"]
Explanation
To calculate the dose of methylprednisolone acetate injection, the nurse should use the following formula:
Dose (mL) = Desired dose (mg) / Available dose (mg/mL)
Plugging in the values from the question, we get:
Dose (mL) = 60 mg / 80 mg/mL
Dose (mL) = 0.75 mL
Correct Answer is ["30"]
Explanation
The nurse should use the following formula to convert tablespoons to milliliters: 1 tbsp = 15 mL.
Therefore, 2 tbsp = 2 x 15 mL = 30 mL.
The nurse should administer 30 mL of magnesium hydroxide PO.
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