ATI RN
Final Exam Pathophysiology
1. When preparing to administer parenteral acyclovir (Zovirax) to an 80-year-old patient with chronic renal failure and herpes simplex, what would the nurse expect in regard to the dose?
- A. The dose is smaller due to the herpes simplex infection.
- B. The dose is smaller based on the patient's kidney function.
- C. The dose is higher in treating genital herpes.
- D. The dose is higher if the creatinine clearance is above 4.0 mg/dL.
Correct answer: B
Rationale: In patients with chronic renal failure, especially in older adults, dosages of medications excreted renally need to be adjusted based on kidney function. Acyclovir is primarily eliminated by the kidneys, so in a patient with chronic renal failure, the dose would need to be smaller to prevent drug accumulation and toxicity. Choice A is incorrect because the dose adjustment is more related to the patient's kidney function than the presence of herpes simplex. Choice C is incorrect because the type of herpes infection does not determine the dose adjustment for acyclovir. Choice D is incorrect as the creatinine clearance is a more accurate measure of kidney function compared to creatinine levels.
2. A female patient is prescribed medroxyprogesterone acetate (Provera) for dysfunctional uterine bleeding. What should the nurse include in the patient education?
- A. This medication may cause breakthrough bleeding or spotting.
- B. This medication may cause weight gain.
- C. This medication may increase your risk of developing diabetes.
- D. This medication may increase your risk of breast cancer.
Correct answer: A
Rationale: The correct answer is A. Medroxyprogesterone acetate (Provera) can cause breakthrough bleeding or spotting, which is a common side effect of this medication. Choices B, C, and D are incorrect because weight gain, increased risk of diabetes, and increased risk of breast cancer are not commonly associated side effects of medroxyprogesterone acetate. Therefore, the nurse should focus on educating the patient about the potential for breakthrough bleeding or spotting.
3. A hospital patient's complex medical history includes a recent diagnosis of kidney cancer. Which of the following medications is used to treat metastatic kidney cancer?
- A. Filgrastim (Neupogen)
- B. Aldesleukin (Proleukin)
- C. Interferon alfa-2b (Intron A)
- D. Darbepoetin alfa (Aranesp)
Correct answer: B
Rationale: The correct answer is B: Aldesleukin (Proleukin). Aldesleukin is a medication used in the treatment of metastatic kidney cancer. It is a recombinant interleukin-2 that works by stimulating the immune system to attack cancer cells. Choice A, Filgrastim, is a medication used to stimulate the production of white blood cells. Choice C, Interferon alfa-2b, is used in the treatment of certain cancers but not specifically metastatic kidney cancer. Choice D, Darbepoetin alfa, is used to treat anemia by stimulating red blood cell production and is not indicated for metastatic kidney cancer.
4. What is a common factor related to all forms of heart failure?
- A. Peripheral edema
- B. Pulmonary edema
- C. Reduced cardiac output
- D. Jugular vein distention
Correct answer: C
Rationale: The correct answer is C: Reduced cardiac output. All forms of heart failure share this common factor, which occurs when the heart is unable to pump enough blood to meet the body's needs. Choices A, B, and D are incorrect. While peripheral edema and pulmonary edema can be symptoms of heart failure, they are not universal to all forms. Jugular vein distention is a sign of right heart failure, not a common factor across all types of heart failure.
5. A 35-year-old male has enlarged lymph nodes in the neck and a mediastinal mass. He was diagnosed with Hodgkin lymphoma. Which of the following abnormal cells would the nurse expect to find with this disease?
- A. Merkel cell
- B. Schwann cell
- C. Reed-Sternberg cell
- D. Kupffer cell
Correct answer: C
Rationale: Reed-Sternberg cells are characteristic of Hodgkin lymphoma. These large abnormal cells have a bi-lobed or multi-lobed nucleus and are essential for diagnosing Hodgkin lymphoma through histological examination. Merkel cells are associated with Merkel cell carcinoma, Schwann cells are related to nerve sheaths, and Kupffer cells are liver macrophages. Therefore, choices A, B, and D are incorrect for Hodgkin lymphoma.
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