A nurse is preparing to administer promethazine 25 mg PO to a client. Available is promethazine 12.5 mg tablets. How many tablets 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 ["2"]
To calculate the number of tablets needed to administer promethazine 25 mg PO, the nurse should use the following formula:
(number of tablets) = (desired dose) / (available dose)
Substituting the values given in the question, we get:
(number of tablets) = (25 mg) / (12.5 mg)
Simplifying, we get:
(number of tablets) = 2
Therefore, the nurse should administer 2 tablets of promethazine 12.5 mg to the client.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["50"]
Explanation
To calculate the dose of diclofenac sodium per administration, the nurse should divide the total daily dose by the number of doses per day.
In this case, the total daily dose is 200 mg and the number of doses per day is 4 (every 6 hr).
Therefore, the dose per administration is 200 mg / 4 = 50 mg.
The nurse should administer 50 mg of diclofenac sodium PO every 6 hr.
Correct Answer is ["1.8"]
Explanation
To calculate the correct dosage of gentamicin for a client who weighs 154 lb, the nurse needs to perform the following steps:
- Convert the client's weight from pounds to kilograms by dividing by 2.2. 154 lb / 2.2 = 70 kg.
- Multiply the client's weight in kilograms by the prescribed dose of 1 mg/kg. 70 kg x 1 mg/kg = 70 mg.
- Divide the total dose in milligrams by the concentration of the gentamicin solution, which is 40 mg/mL. 70 mg / 40 mg/mL = 1.75 mL.
Round the final answer to the nearest tenth of a milliliter. The nurse should administer 1.8 mL of gentamicin IM to the client.
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