ATI RN
ATI Pathophysiology Test Bank
1. A patient with a diagnosis of renal failure is being treated with epoetin alfa (Epogen). Frequent assessment of which of the following laboratory values should be prioritized before and during treatment?
- A. AST
- B. C-reactive protein
- C. CBC
- D. ALT
Correct answer: A
Rationale: The correct answer is AST. Epoetin alfa is a medication used to treat anemia associated with chronic renal failure. During treatment with epoetin alfa, it is crucial to monitor AST levels as this medication can potentially lead to liver toxicity. Assessing AST levels before and throughout treatment helps in early detection of any liver abnormalities. C-reactive protein is not specifically related to the use of epoetin alfa in renal failure. While CBC (Complete Blood Count) monitoring is essential during treatment with epoetin alfa to evaluate the response to therapy, prioritizing AST assessment is more critical due to the potential for liver toxicity. ALT monitoring is also important but AST is prioritized in this scenario.
2. What is the etiology and most likely treatment for myasthenia gravis in a 22-year-old female college student?
- A. Autoimmune destruction of skeletal muscle cells; treatment with intensive physical therapy and anabolic steroids.
- B. A decline in functioning acetylcholine receptors; treatment with corticosteroids and intravenous immunoglobulins.
- C. Cerebellar lesions; surgical and immunosuppressive treatment.
- D. Excess acetylcholinesterase production; treatment with thymectomy.
Correct answer: B
Rationale: Myasthenia gravis is characterized by a decline in functioning acetylcholine receptors rather than autoimmune destruction of skeletal muscle cells (Choice A), cerebellar lesions (Choice C), or excess acetylcholinesterase production (Choice D). The most likely treatment for myasthenia gravis involves corticosteroids to reduce inflammation and intravenous immunoglobulins to block the antibodies attacking acetylcholine receptors. Intensive physical therapy and anabolic steroids are not primary treatments for myasthenia gravis.
3. A nurse is caring for a client with a newly inserted pacemaker. What is the most important nursing action post-procedure?
- A. Monitor the insertion site for signs of infection.
- B. Educate the client about activity restrictions.
- C. Monitor the client's heart rate and rhythm.
- D. Assess the client's lung sounds for signs of fluid overload.
Correct answer: A
Rationale: Post-procedure, monitoring the insertion site for signs of infection is crucial because it helps in early detection of any potential complications such as infection. While educating the client about activity restrictions, monitoring the client's heart rate and rhythm, and assessing lung sounds for signs of fluid overload are important aspects of care, the immediate priority post-procedure is to prevent infection at the insertion site, which could lead to serious complications.
4. A male patient is being treated with testosterone gel for hypogonadism. What important instruction should the nurse provide?
- A. Apply the gel to the face and neck for maximum absorption.
- B. Apply the gel to the chest or upper arms and allow it to dry completely before dressing.
- C. Apply the gel to the scalp and back.
- D. Apply the gel to the genitals for improved results.
Correct answer: B
Rationale: The correct instruction for applying testosterone gel is to apply it to the chest or upper arms and allow it to dry completely before dressing. This is important to prevent the transfer of the medication to others. Applying it to the face and neck (Choice A) is incorrect as these areas are not recommended. Similarly, applying it to the scalp and back (Choice C) or the genitals (Choice D) is also incorrect and can lead to inappropriate absorption or undesirable effects.
5. What is the best method to identify which type of stroke the client has?
- A. Obtain a 12-lead electrocardiogram STAT
- B. Obtain a blood specimen for electrolytes and blood cultures
- C. Ask the client about current allergies
- D. Obtain a cranial computerized tomogram (CT) STAT
Correct answer: D
Rationale: The correct answer is to obtain a cranial computerized tomogram (CT) STAT. A cranial CT scan is the best method to quickly identify the type of stroke a client is experiencing. Options A, B, and C are not appropriate for identifying the type of stroke as they are not specific to assessing stroke types.
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