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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.

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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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.

A. Avoid bearing down. B. Avoid sudden movements. C. Increase sodium intake. D. Increase caffeine intake.

Correct Answer is B

Explanation

Choice A rationale

Avoiding bearing down is important for patients with certain conditions, but not specifically for Ménière’s disease.

Choice B rationale

Patients with Ménière’s disease should avoid sudden movements to prevent exacerbating vertigo and balance issues.

Choice C rationale

Increasing sodium intake can worsen fluid retention and symptoms of Ménière’s disease.

Choice D rationale

Increasing caffeine intake can exacerbate symptoms of Ménière’s disease, including tinnitus and vertigo.

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client calls the health care clinic and asks the nurse to describe the first signs of Lyme disease. The nurse informs the client to watch for which signs/symptoms of stage I Lyme disease?

Correct Answer is C

Explanation

A nurse is providing teaching to a client who has a new diagnosis of Ménière’s disease. Which of the following instructions should the nurse include in the teaching?

Correct Answer is B

Explanation

A nurse is caring for a client who has progressive presbycusis. Which of the following actions should the nurse take?

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A doctor ordered amoxicillin 2 gm/day PO divided into two doses. The nurse is preparing to administer the first dose. The amount available is tablets. Use a leading zero if it applies. Do not use a trailing zero.

Which instructions would the nurse provide to the client about the prevention and early detection of Lyme disease? Select all that apply.

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