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 B
Explanation
Choice B rationale
The FLACC scale (Face, Legs, Activity, Cry, Consolability) is specifically designed for assessing pain in infants and young children who are unable to communicate their pain verbally.
Choice A rationale
The Visual Analog Scale is used for older children and adults who can understand and communicate their pain level.
Choice C rationale
The Oucher scale is used for children aged 3 to 12 years and involves matching facial expressions to a pain level.
Choice D rationale
The Faces scale is used for children aged 3 years and older who can point to a face that best represents their pain level.
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.
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