What is the purpose of administering diphenhydramine before a blood transfusion?
To expand the blood volume.
To enhance clotting factors.
To avoid fever and chills.
To prevent urticaria.
The Correct Answer is D
Choice A rationale
Diphenhydramine does not expand blood volume. It is an antihistamine used to prevent allergic reactions.
Choice B rationale
Diphenhydramine does not enhance clotting factors. It is used to manage allergic reactions.
Choice C rationale
While diphenhydramine can help manage fever and chills, its primary purpose before a blood transfusion is to prevent allergic reactions.
Choice D rationale
Administering diphenhydramine before a blood transfusion helps prevent urticaria and other allergic reactions by blocking histamine release. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Stating that the client had an allergic reaction to the ordered meperidine is not objective and does not provide specific details about the client’s condition.
Choice B rationale
Notifying the primary health care provider because the client developed a rash after receiving an opioid analgesic is important, but it does not include all the necessary details about the client’s condition.
Choice C rationale
Documenting that the client’s skin was warm and flushed, and a rash was noted on the chest and back is important, but it does not include the timing of the reaction or the client’s temperature.
Choice D rationale
Documenting that thirty minutes after receiving meperidine, the temperature was 101°F (38.3°C), the client’s skin was warm and flushed, and a rash was noted on the chest and back provides a complete and objective account of the client’s condition and the timing of the reaction.
Correct Answer is B
Explanation
Choice A rationale
Rephrasing statements the client does not hear is helpful but not the priority action. The priority is to determine if the client uses hearing aids to ensure they can hear instructions and communication effectively.
Choice B rationale
Determining if the client uses hearing aids is the priority action. Ensuring the client has and uses their hearing aids can significantly improve communication and care.
Choice C rationale
Speaking using the usual tone of voice and directly in front of the client is important but secondary to ensuring the client has their hearing aids.
Choice D rationale
Using hand gestures to communicate can be helpful but is not the priority action. The primary focus should be on ensuring the client has their hearing aids for optimal hearing.
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