An adult client receives a prescription for diphenhydramine 15 mL by mouth every 12 hours PRN for pruritus. The bottle is labeled, "diphenhydramine 12.5 mg/5 mL." What is the total daily dose in mg that the client receives? (Enter numerical value only.)
The Correct Answer is ["75"]
To find the answer, we can use the following steps:
- Calculate the dose of diphenhydramine in mg per administration by multiplying the volume in mL by the concentration in mg/mL
- Multiply the dose in mg per administration by the number of administrations per day
- Round the result to the nearest whole number
Using these steps, we get:
- (dose in mg per administration) = (15) x (12.5 / 5) = 37.5 mg
- (total daily dose in mg) = (37.5) x (2) = 75 mg
- (rounded total daily dose in mg) = 75 mg
Therefore, the client receives 75 mg of diphenhydramine per day.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
The correct answer is 2 ounces. To find the answer, we can use the following steps:
- Calculate the volume of magnesium hydroxide in mL by dividing the dose in mg by the concentration in mg/mL
- Convert the volume in mL to ounces by multiplying by 0.0338
- Round the result to the nearest whole number
Using these steps, we get:
- (volume in mL) = (4800) / (400) = 12 mL
- (volume in ounces) = (12) x (0.0338) = 0.4056 ounces
- (rounded volume in ounces) = 2 ounces
Therefore, the nurse should instruct the client to take 2 ounces of magnesium hydroxide Saline Laxative, USP with each dose.
Correct Answer is ["168"]
Explanation
To find the answer, we can use the following steps:
- Convert the client's weight from pounds to kilograms by dividing by 2.2
- Multiply the weight in kilograms by the dosage in mg/kg
- Round the result to the nearest whole number
Using these steps, we get:
- (weight in kg) = (185) / (2.2) = 84.091 kg
- (dose in mg) = (2) x (84.091) = 168.182 mg
- (rounded dose in mg) = 168 mg
Therefore, the nurse should prepare to administer 168 mg of zidovudine IV to the client.
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