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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 A

Explanation

Choice A rationale

Shutting off the intravenous infusion is the immediate action to take when a client reports difficulty swallowing during infliximab infusion. This could indicate an infusion reaction or anaphylaxis, which requires immediate cessation of the infusion to prevent further complications.

Choice B rationale

Notifying the primary health care provider is important, but the immediate action should be to stop the infusion to prevent further adverse reactions.

Choice C rationale

Having the client take deep breaths and try to relax is not appropriate in this situation, as it does not address the potential infusion reaction or anaphylaxis.

Choice D rationale

Obtaining a prescription for oral diphenhydramine may be part of the treatment for an infusion reaction, but the immediate action should be to stop the infusion. .

A. Inform the client that she will need to bring the tick for testing. B. Inform the client that the tick is needed to perform a test. C. Refer the client for a blood test immediately. D. Ask the client about the size and color of the tick.

Correct Answer is C

Explanation

Choice A rationale

Informing the client that she will need to bring the tick for testing is not necessary. While having the tick can help identify the species and potential risk, it is not required for testing for Lyme disease. The diagnosis can be made based on clinical symptoms and blood tests.

Choice B rationale

Informing the client that the tick is needed to perform a test is incorrect. The presence of the tick is not required for testing for Lyme disease. Blood tests can detect antibodies to the bacteria that cause Lyme disease, even if the tick is not available.

Choice C rationale

Referring the client for a blood test immediately is the appropriate action. Early testing can help diagnose Lyme disease and initiate treatment promptly. Blood tests can detect antibodies to Borrelia burgdorferi, the bacteria that cause Lyme disease, and help confirm the diagnosis.

Choice D rationale

Asking the client about the size and color of the tick is not the most appropriate action. While this information can provide some context, it does not directly contribute to the diagnosis of Lyme disease. The priority is to refer the client for a blood test to confirm the presence of the infection.

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client receiving infliximab through intravenous infusion is reporting difficulty swallowing. Which immediate action would the nurse take?

Correct Answer is A

Explanation

A client arrives at the health care clinic and tells the nurse that she was just bitten by a tick and would like to be tested for Lyme disease. Which nursing action is appropriate?

Correct Answer is C

Explanation

Thirty minutes after receiving meperidine, the client develops a temperature of 101°F and the skin is warm and flushed with a notable rash on the chest and back. The nurse contacts the primary health care provider and begins to document on an incident report. Which information should be included?

A nurse at an ophthalmology clinic is providing teaching to a client who has open-angle glaucoma and a new treatment regimen of timolol and pilocarpine eye drops. Which of the following instructions should the nurse provide?

A nurse is caring for a 6-month-old infant who is postoperative following a myringotomy. Which of the following pain scales should the nurse use to determine the infant’s pain level?

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?

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

A nurse is caring for a client who has HIV. Which of the following laboratory values is the nurse’s priority?

A nurse in an emergency department is caring for a client who is suspected to have anaphylaxis following a bee sting. Which of the following actions should the nurse take first?

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