which of the following nursing diagnoses would provide the most plausible indication for the use of epoetin alfa epogen in a patient with renal failur
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Nursing Elites

ATI RN

ATI Pathophysiology

1. Which of the following nursing diagnoses would provide the most plausible indication for the use of epoetin alfa (Epogen) in a patient with renal failure?

Correct answer: B

Rationale: The correct answer is B. In a patient with renal failure, the use of epoetin alfa (Epogen) is primarily aimed at addressing the decreased oxygen-carrying capacity due to impaired erythropoiesis. Epoetin alfa is a medication that stimulates red blood cell production, thereby improving the oxygen-carrying capacity of the blood. This would directly address the activity intolerance commonly seen in patients with renal failure. Choices A, C, and D are incorrect because they do not directly relate to the primary purpose of using epoetin alfa in this context. Risk for infection, powerlessness, and ineffective breathing pattern are important considerations in the care of a patient with renal failure, but they are not the primary indications for using epoetin alfa.

2. The nurse is caring for a client with an astrocytoma. The client asks, 'What do astrocytes do in the brain?' What is the nurse's best response?

Correct answer: A

Rationale: Astrocytes play a crucial role in supporting and nourishing neurons by providing metabolic support, maintaining the blood-brain barrier, and regulating the chemical environment of the brain. While astrocytes are essential for brain function, they are not neurons and do not transmit electrical signals (Choice B). Astrocytes are not primarily involved in immune responses in the brain (Choice C) or in regulating blood flow in the brain (Choice D), although they indirectly influence blood flow through their support functions.

3. What part of the heart is responsible for starting the electrical impulse to conduct a heart rhythm and contraction of the atria and ventricles?

Correct answer: D

Rationale: The sinoatrial node (SA node) in the atrium is indeed responsible for initiating the electrical impulse that starts the heart's rhythm. The SA node is known as the heart's natural pacemaker. Choices A, B, and C are incorrect because while the Purkinje fibers, bundle branches, and atrioventricular node play crucial roles in the conduction of the electrical impulse throughout the heart, the SA node is specifically responsible for initiating this impulse.

4. A 60-year-old male patient is receiving androgen therapy for the treatment of hypogonadism. Which of the following adverse effects should the nurse monitor for?

Correct answer: A

Rationale: The correct answer is A: Hepatotoxicity. Androgen therapy, such as testosterone, can lead to hepatotoxicity, which is toxic to the liver. Therefore, the nurse should monitor the patient's liver function. Choices B, C, and D are incorrect because androgen therapy is not typically associated with nephrotoxicity, cardiotoxicity, or pulmonary toxicity.

5. A patient is diagnosed with type 2 diabetes mellitus. Which of the following is a common initial treatment strategy?

Correct answer: B

Rationale: The correct answer is B: Lifestyle modification and metformin. When managing type 2 diabetes mellitus, initial treatment often involves lifestyle changes such as adopting a healthy diet and increasing physical activity, along with the oral medication metformin. Insulin therapy (choice A) is usually reserved for cases where lifestyle changes and oral medications are not sufficient to control blood sugar levels. Sulfonylureas (choice C) and thiazolidinediones (choice D) are also oral medications used in diabetes management, but they are not typically recommended as first-line treatments due to various side effects and considerations in type 2 diabetes management.

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