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What is the purpose of administering diphenhydramine before a blood transfusion?

A.

To expand the blood volume.

B.

To enhance clotting factors.

C.

To avoid fever and chills.

D.

To prevent urticaria.

Answer and Explanation

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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View Related questions

Correct Answer is D

Explanation

Choice A rationale

Allowing the client to ambulate one day after a detached retinal repair is not recommended. Ambulation can increase intraocular pressure and disrupt the healing process of the retina. The client should be advised to limit physical activity to prevent any strain on the eye.

Choice B rationale

Removing the eye patch during the day is not advisable as it can expose the eye to potential injury or infection. The eye patch helps protect the eye and maintain the correct position for healing. It should be worn as directed by the healthcare provider.

Choice C rationale

Encouraging coughing and deep-breathing exercises is not appropriate for a client who has undergone retinal repair. These activities can increase intraocular pressure and risk detachment of the retina. The client should avoid activities that cause strain or pressure on the eyes.

Choice D rationale

Avoiding reading and writing is crucial for a client one day postoperative following a detached retinal repair. These activities can cause rapid eye movements and strain, which can interfere with the healing process and reattachment of the retina. The client should be advised to rest their eyes and avoid any activities that require intense focus or eye movement.

Correct Answer is D

Explanation

Choice A rationale

A productive cough is not a typical finding in early-stage Hodgkin’s lymphoma. Respiratory symptoms are more commonly associated with other conditions.

Choice B rationale

Bone and joint pain are not typical findings in early-stage Hodgkin’s lymphoma. These symptoms are more commonly associated with other conditions such as metastatic cancer or rheumatoid arthritis.

Choice C rationale

Intermittent hematuria is not a typical finding in early-stage Hodgkin’s lymphoma. Hematuria is more commonly associated with urinary tract infections or kidney conditions.

Choice D rationale

Enlarged lymph nodes are a common finding in early-stage Hodgkin’s lymphoma. This condition is characterized by the presence of Reed-Sternberg cells in the lymph nodes, leading to their enlargement.

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