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. .
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Correct Answer is C
Explanation
Choice A rationale
Applying cool compresses can help reduce swelling and discomfort, but it is not the primary instruction for a client scheduled for retinal detachment surgery.
Choice B rationale
Eye drops to constrict the pupils are not typically prescribed for retinal detachment surgery. The focus is on preventing further detachment and ensuring proper healing.
Choice C rationale
Restricting head movement is crucial to prevent further detachment of the retina and to promote proper healing after surgery. The client should be instructed to avoid sudden or excessive head movements.
Choice D rationale
Keeping both eyes patched is not necessary and may cause unnecessary discomfort and disorientation for the client.
Correct Answer is B
Explanation
Choice A rationale
Vision may be temporarily blurred after intraocular lens surgery, but significant vision reduction for 48 hours is not typical and should be reported to a healthcare provider.
Choice B rationale
Restricting lifting objects greater than 10 pounds is crucial to prevent increased intraocular pressure and potential complications after surgery.
Choice C rationale
Aspirin should be avoided as it can increase the risk of bleeding. Alternative pain relief methods should be used.
Choice D rationale
Warm compresses are not recommended as they can increase inflammation and discomfort. Cold compresses may be more appropriate.