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
Headaches and blurred vision are not specific to stage I Lyme disease. These symptoms can occur in many other conditions and are not the primary indicators of early Lyme disease.
Choice B rationale
Tremors and weakness are not typical early signs of Lyme disease. These symptoms are more associated with neurological involvement, which occurs in later stages of the disease.
Choice C rationale
Rash symptoms, specifically erythema migrans (a bull’s-eye rash), are the hallmark of stage I Lyme disease. This rash appears at the site of the tick bite and is a key diagnostic feature.
Choice D rationale
Painful joints are more commonly seen in later stages of Lyme disease when the infection has spread and caused more systemic involvement.
Correct Answer is ["A","C"]
Explanation
Choice A rationale
The use of silicone-based vaginal lubricants is recommended for clients with Sjögren’s syndrome to alleviate vaginal dryness and discomfort during intercourse.
Choice B rationale
Using dehumidifiers in the home is not recommended for clients with Sjögren’s syndrome, as it can exacerbate dryness in the eyes, mouth, and other mucous membranes.
Choice C rationale
The use of artificial tears is essential for clients with Sjögren’s syndrome to relieve dry eyes and prevent complications such as corneal ulcers.
Choice D rationale
The use of contact lenses is not recommended for clients with Sjögren’s syndrome, as it can further irritate dry eyes and increase the risk of eye infections.