An adult client receives a prescription for diphenhydramine 15 mL PO 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"]
Dose per administration in milliliters = 15 mL.
Concentration of the medication = 12.5 mg/5 mL.
- Calculate the amount of medication in milligrams (mg) per administration.
Amount per administration (mg) = Dose per administration (mL) × (Concentration (mg) / Volume (mL))
= 15 mL × (12.5 mg / 5 mL)
= 15 mL × 2.5 mg/mL
= 37.5 mg.
- Determine the number of doses per day.
Doses are given every 12 hours, so Number of doses per day = 24 hours / 12 hours/dose
= 2 doses/day.
- Calculate the total daily dose in milligrams (mg).
Total daily dose (mg) = Amount per administration (mg) × Number of doses per day
= 37.5 mg × 2 doses
= 75 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Only 30% of clients did not attend self-management education sessions: This outcome does not directly indicate the effectiveness of a tertiary prevention program, which focuses on managing disease complications and improving quality of life after diagnosis.
B. Average client scores improved on specific risk factor knowledge tests: Improved knowledge is important, but tertiary prevention aims more at managing and reducing the impact of complications in individuals who already have the disease.
C. Clients who developed disease complications promptly received rehabilitation: Tertiary prevention focuses on minimizing the impact of established disease and preventing further disability. Effective rehabilitation for clients with complications demonstrates successful tertiary prevention.
D. More than 50% of at-risk clients were diagnosed early in their disease process: Early diagnosis falls under secondary prevention, not tertiary. Secondary prevention aims to identify and treat disease early to prevent complications, not managing existing complications.
Correct Answer is D
Explanation
A. Avoid forcing apart the teeth: Placing objects in the client’s mouth or trying to pry open the teeth can cause injury. It is important to let the seizure pass without interfering with the jaw or mouth.
B. Loosen clothing around the neck: Loosening tight clothing reduces the risk of airway obstruction or restricted breathing during a seizure. This is a correct and helpful intervention.
C. Position the head from injury: Protecting the client’s head with a soft object prevents trauma during convulsions. This is a recommended and safe practice during seizures.
D. Secure the limbs to the body: Restraining or holding down limbs can cause musculoskeletal injuries and increase agitation. Seizure safety protocols emphasize allowing movement without physical restraint.
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