A nurse is reviewing a new prescription for propranolol 200 mg PO daily divided in equal doses every 12 hr for a client who has migraine headaches during the premenstrual period. Available is propranolol solution 4 mg/mL. How many mL should the client self-administer per dose?
(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 ["25"]
mL = mg / 4 mL = 100 / 4
mL = 25 / 1
This means that the client needs to take 25 mL of the propranolol solution every 12 hours to get the prescribed dose of 200 mg per day
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
Dose / Concentration = Volume Plug in the values from the question:
10 mg / 20 mg/ml = 0.5 ml
Round the answer to the nearest tenth:
=0.5 ml
Correct Answer is ["1.8"]
Explanation
Dose = Desired dose / Available dose x Volume Therefore;
Dose = (56 mg / 160 mg) x 5 mL Therefore;
Dose = 0.35 x 5 mL Dose = 1.75 mL
Round to the nearest tenth: Dose = 1.8 mL
The nurse should administer 1.8 mL
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