ATI RN
Pathophysiology Final Exam Questions
Question 1 of 5
A 56-year-old woman has been experiencing memory loss and confusion for the past year. The client is diagnosed with Alzheimer's disease. Which finding is most characteristic of this disease?
Correct Answer: C
Rationale: The correct answer is C: Accumulation of beta-amyloid plaques. Alzheimer's disease is characterized by the accumulation of beta-amyloid plaques in the brain. These plaques are formed from the buildup of beta-amyloid protein fragments between nerve cells. Choice A, neurofibrillary tangles, are a hallmark of another neurodegenerative disease called Alzheimer's disease. Choice B, demyelination of neurons, is more characteristic of diseases like multiple sclerosis. Choice D, formation of Lewy bodies, is associated with Lewy body dementia, not Alzheimer's disease.
Question 2 of 5
An oncology nurse is providing care for an adult patient who is currently immunocompromised. The nurse is aware of the physiology involved in hematopoiesis and immune function, including the salient role of cytokines. What is the primary role of cytokines in maintaining homeostasis?
Correct Answer: B
Rationale: The primary role of cytokines in maintaining homeostasis is to perform a regulatory function in the development of diverse blood cells. Cytokines act as signaling molecules that regulate the immune response and hematopoiesis. Choice A is incorrect because cytokines do not perform phagocytosis; they regulate immune responses. Choice C is incorrect because while cytokines are involved in the formation of some blood cells, they are not considered the basic 'building blocks' of all blood cells. Choice D is incorrect because cytokines are not formed in response to antibodies, but rather play a role in the immune response to various stimuli.
Question 3 of 5
A school nurse is meeting with a high school student who mentions that she is frustrated with her repeated outbreaks of cold sores. The student states that she tried an over-the-counter topical cream but that it failed to produce an appreciable improvement. The nurse should recognize that this student used what medication?
Correct Answer: D
Rationale: The correct answer is D: Docosanol (Abreva). Docosanol is an over-the-counter topical cream commonly used to treat cold sores caused by the herpes simplex virus. It works by inhibiting viral fusion to host cell membranes, reducing the spread of the virus. Ganciclovir (Choice A) is an antiviral medication used for the treatment of cytomegalovirus infections. Valacyclovir (Choice B) and Famciclovir (Choice C) are prescription antiviral medications used to treat herpes simplex virus infections but are not typically available over-the-counter like Docosanol.
Question 4 of 5
A patient is prescribed medroxyprogesterone acetate (Provera) for the treatment of endometriosis. What important instruction should the nurse provide about the use of this medication?
Correct Answer: C
Rationale: The correct answer is to take the medication at the same time each day to maintain consistent hormone levels. This is crucial for the effectiveness of medroxyprogesterone acetate in treating endometriosis. Choice A is incorrect because there is no specific instruction related to food intake. Choice B is incorrect because discontinuing the medication without consulting a healthcare provider can be harmful. Choice D is unrelated to the administration of medroxyprogesterone acetate and is not a specific consideration for this medication.
Question 5 of 5
A public health nurse is responsible for the administration of numerous immunizations. Which of the following guidelines regarding anaphylaxis should the nurse adhere to?
Correct Answer: C
Rationale: The correct answer is C: 'The patient should be observed for anaphylaxis for 30 minutes after administration.' This is because anaphylaxis can occur within minutes of administration of an immunization. By observing the patient for 30 minutes, the nurse can promptly identify and manage any signs of anaphylaxis. Choices A, B, and D are incorrect as they suggest shorter or longer observation periods, which may not be sufficient to detect and respond to anaphylaxis in a timely manner.
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