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
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["45"]
Explanation
Pump rate in mL/hour = Dose (mcg/kg/min) x Weight (kg) x 60 / Concentration (mcg/mL)
The concentration of nitroprusside is given as 50 mg in 250 mL of dextrose 5% in water.
Convert this to mcg/mL; multiply by 1000
Concentration (mcg/mL) = 50 mg x 1000 / 250 mL = 200 mcg/mL Therefore;
Pump rate in mL/hour = 2 mcg/kg/min x 75 kg x 60 / 200 mcg/mL Pump rate in mL/hour = 45 mL/hour
Therefore, the nurse should set the IV pump to deliver 45 mL/hour
Correct Answer is ["2"]
Explanation
To calculate the number of tablets to administer, you need to divide the prescribed dose by the available dose. In this case, the prescribed dose is 0.25 mg and the available dose is 0.125 mg. Therefore, the number of tablets is:
0.25 mg / 0.125 mg = 2 tablets
The nurse should administer 2 tablets of digoxin 0.125 mg to the client.
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