ATI RN
ATI Pathophysiology Test Bank
1. A patient who is undergoing treatment for cytomegalovirus received his first dose of IV ganciclovir 3 days ago. When reviewing this patient's most recent blood work, what abnormality should the nurse most likely attribute to the use of this drug?
- A. Hemoglobin 17 g/dL (high normal)
- B. INR 3.8 (high)
- C. Platelet count 118,000/mm3 (low)
- D. Leukocytes 11,900/mm3 (high)
Correct answer: C
Rationale: The correct answer is C: Platelet count 118,000/mm3 (low). Ganciclovir, used to treat cytomegalovirus, is known to cause bone marrow suppression, leading to decreased platelet count (thrombocytopenia). This condition can increase the risk of bleeding. Choices A, B, and D are not typically associated with ganciclovir therapy. High hemoglobin levels (choice A) are not commonly seen with ganciclovir treatment. INR elevation (choice B) is associated with coagulation abnormalities, which are not a typical side effect of ganciclovir. Elevated leukocyte count (choice D) is not a common consequence of ganciclovir use.
2. Which information would indicate more teaching is needed regarding hypersensitivity reactions? Type _______ hypersensitivity reactions involve an antibody response.
- A. I
- B. II
- C. III
- D. IV
Correct answer: D
Rationale: The correct answer is D: Type IV hypersensitivity reactions involve cell-mediated immunity, not an antibody response. This question tests knowledge of hypersensitivity reactions and their classification. Type I hypersensitivity reactions involve IgE antibodies, Type II involves IgG or IgM antibodies, and Type III involves immune complex deposition. Type IV hypersensitivity reactions are delayed and involve T cells, not antibodies. Therefore, if a person believes that Type IV hypersensitivity reactions involve an antibody response, more teaching is required.
3. Medroxyprogesterone acetate (Provera) is indicated for the treatment of women with
- A. uterine bleeding.
- B. cervical cancer.
- C. ovarian cancer.
- D. fibromyalgia.
Correct answer: A
Rationale: Medroxyprogesterone acetate (Provera) is commonly used to treat conditions like abnormal uterine bleeding, amenorrhea, and endometriosis. It helps regulate the menstrual cycle and reduce excessive bleeding. Therefore, the correct answer is A. Choice B, cervical cancer, is incorrect because Provera is not indicated for the treatment of cancer. Choice C, ovarian cancer, is also incorrect as Provera is not a primary treatment for ovarian cancer. Choice D, fibromyalgia, is unrelated to the use of medroxyprogesterone acetate.
4. What is a cause of the crystallization within the synovial fluid of the joint affected by gouty arthritis?
- A. Destruction of proteoglycans
- B. Underexcretion of uric acid
- C. Overexcretion of uric acid
- D. Increased absorption of uric acid
Correct answer: B
Rationale: The correct answer is B: Underexcretion of uric acid. In gouty arthritis, the crystallization within the synovial fluid of the affected joint is caused by the underexcretion of uric acid, leading to the accumulation and subsequent crystallization of urate crystals. Choice A, destruction of proteoglycans, is incorrect as it is not directly related to the crystallization process in gouty arthritis. Choice C, overexcretion of uric acid, is incorrect because gout is primarily associated with underexcretion or decreased excretion of uric acid rather than overexcretion. Choice D, increased absorption of uric acid, is also incorrect as the primary issue in gouty arthritis is the body's inability to properly eliminate uric acid.
5. A patient who is taking metronidazole for the past 4 days for the treatment of a parasitic infection reports to the nurse that his most recent dose made him 'flushed, sweaty, and sick in the stomach.' What assessment is most likely to address the cause of this phenomenon?
- A. “Have you experienced any allergic reactions to metronidazole before?”
- B. “Did you drink any alcoholic beverages around the time of taking the drug?”
- C. “Did you take this dose on an empty stomach?”
- D. “Are you currently using any over-the-counter antihistamines?”
Correct answer: B
Rationale: The correct answer is B. Metronidazole can cause a disulfiram-like reaction when taken with alcohol, leading to symptoms such as flushing, sweating, and gastrointestinal upset. Asking the patient about alcohol consumption can help identify if this reaction is due to alcohol interaction. Choice A is incorrect as it focuses on penicillin allergy, which is not relevant to metronidazole. Choice C is less likely to cause the reported symptoms and is not a common concern with metronidazole. Choice D is not directly related to the symptoms described by the patient.
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