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 ["1.7"]
Explanation
The dose of dopamine in mg/hr: 5 mcg/kg/min x 4.4 kg x 60 min/hr = 1320 mcg/hr Converted to mg: 1320 mcg/hr / 1000 mcg/mg = 1.32 mg/hr
Infusion rate in mL/hr: 1.32 mg/hr / (200 mg/250 mL) = 1.65 mL/hr Rounded off to the nearest tenth: 1.7 mL/hr
Correct Answer is ["2500"]
Explanation
Step 1: Convert liters to milliliters.
1 liter is equal to 1000 milliliters. Therefore, we can convert 2.5 liters to milliliters as follows:
2.5 liters * 1000 milliliters/liter = 2500 milliliters
Step 2: Round the answer to the nearest whole number.
The answer is 2500 milliliters. Since we are instructed to round to the nearest whole number, we do not need to make any changes.
Therefore, the nurse should administer 2500 mL of lactated Ringer's to the client.
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