A nurse is providing discharge teaching to the parent of a child who is prescribed diphenhydramine 25 mg elixir every 4 hr as needed. The amount available is diphenhydramine elixir 12.5 mg/5 mL. How many mL should the nurse administer per dose?
(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["10"]
To determine the mL of diphenhydramine elixir to administer per dose, we need to calculate the dose based on the prescribed amount and the concentration of the elixir.
Given:
Prescribed dose: 25 mg Concentration of elixir: 12.5 mg/5 mL
We can set up a proportion to find the equivalent mL for the prescribed dose: 25 mg / x mL = 12.5 mg / 5 mL
Cross-multiplying and solving for x, we get:
25 mg * 5 mL = 12.5 mg * x mL 125 mg = 12.5 mg * x mL
125 mg / 12.5 mg = x mL 10 mL = x mL
Therefore, the nurse should administer 10 mL of diphenhydramine elixir per dose.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Dimenhydrinate is an antihistamine commonly used to treat motion sickness and vertigo. One of the common side effects of dimenhydrinate is dizziness. It can cause sedation and impair cognitive and motor functions. Therefore, the client should be advised to be cautious when engaging in activities that require alertness, such as driving or operating machinery. Monitoring for dizziness and taking appropriate precautions can help prevent accidents and ensure the client's safety.
The other options provided in the original response are incorrect:
- Administer 24 hr before effects are desired: This is not a correct instruction for dimenhydrinate. The medication is typically taken 30 minutes to 1 hour before the desired effects, such as before travel to prevent motion sickness.
- Expect an increase in salivation: Dimenhydrinate does not typically cause an increase in salivation. This is not a known side effect of the medication.
- Observe for diarrhea: Diarrhea is not a common side effect of dimenhydrinate. While gastrointestinal disturbances can occur with some antihistamines, it is not typically associated with dimenhydrinate use.
Correct Answer is A
Explanation
A. Albuterol is a bronchodilator that provides quick relief by relaxing the muscles around the airways, making it essential to use before a corticosteroid like beclomethasone, which reduces inflammation. Using albuterol first allows for better delivery of the beclomethasone to the airways.
B. I will use both medications immediately after exercising. Albuterol may be used as a rescue inhaler before exercise to prevent exercise-induced bronchospasm, but beclomethasone is a maintenance medication and should not be used immediately after exercising unless prescribed.
C. "If my breathing begins to feel tight, I will use the beclomethasone inhaler immediately.” Beclomethasone is a long-term control medication, not a rescue inhaler. If breathing feels tight or there is an asthma attack, the client should use the albuterol inhaler for immediate relief.
D. I will administer the medications 10 minutes apart.While there is no strict rule about the timing between inhaler uses, the albuterol should be used first to open the airways, and while waiting a few minutes is acceptable, the emphasis should be on using albuterol before beclomethasone rather than a specific time frame.
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