ATI RN
ATI Pathophysiology Exam 3
1. Which of the following is a characteristic of disseminated intravascular coagulation (DIC)?
- A. Simultaneous stroke and heart attack
- B. Simultaneous clotting and bleeding
- C. Simultaneous clotting and insulin release
- D. Simultaneous bleeding and vomiting
Correct answer: B
Rationale: Disseminated intravascular coagulation (DIC) is characterized by simultaneous clotting and bleeding throughout the body. This imbalance in the body's clotting system leads to the formation of blood clots in small blood vessels, which can consume clotting factors and platelets, ultimately leading to excessive bleeding. Choices A, C, and D are incorrect because they do not describe the characteristic feature of DIC, which involves both clotting and bleeding.
2. A patient has been diagnosed with cytomegalovirus (CMV). Which of the following drugs would be ineffective in the treatment of this disease?
- A. Ribavirin (Rebetol)
- B. Ganciclovir (Cytovene) IV
- C. Foscarnet (Foscavir) IV
- D. Valganciclovir hydrochloride (Valcyte)
Correct answer: A
Rationale: The correct answer is A, Ribavirin (Rebetol). Ribavirin is not effective against CMV. Choice B, Ganciclovir (Cytovene) IV, is a common treatment for CMV as it inhibits viral DNA synthesis. Choice C, Foscarnet (Foscavir) IV, is also used for CMV infections by blocking viral DNA polymerase. Choice D, Valganciclovir hydrochloride (Valcyte), is a prodrug of Ganciclovir and is effective against CMV. Therefore, Ribavirin is the drug that would be ineffective in treating CMV.
3. A patient with a history of cardiovascular disease is prescribed hormone replacement therapy (HRT). What should the nurse emphasize regarding the long-term risks associated with HRT?
- A. HRT is associated with an increased risk of cardiovascular events, including heart attack and stroke.
- B. HRT may decrease the risk of osteoporosis.
- C. HRT may improve mood and energy levels.
- D. HRT may increase the risk of breast cancer.
Correct answer: A
Rationale: HRT is associated with an increased risk of cardiovascular events, including heart attack and stroke, particularly in patients with a history of cardiovascular disease.
4. When administering azoles in the home setting, the home health nurse should prioritize educational interventions that address what nursing diagnosis?
- A. Risk for injury related to antifungal therapy
- B. Risk for acute confusion related to antifungal therapy
- C. Risk for infection related to antifungal therapy
- D. Risk for falls related to antifungal therapy
Correct answer: A
Rationale: The correct answer is A: Risk for injury related to antifungal therapy. When administering azoles, the priority is to educate patients and caregivers about potential side effects that could lead to injury, such as hepatotoxicity or allergic reactions. Choices B, C, and D are incorrect because acute confusion, infection, and falls are not typically associated with azole therapy.
5. A client diagnosed with heart failure displays bilateral pitting edema of the lower extremities. Which of the following terms is used to describe this finding?
- A. Contraindication
- B. Sign
- C. Symptom
- D. Subjective data
Correct answer: B
Rationale: The correct answer is 'B. Sign.' In this scenario, bilateral pitting edema is an objective finding that can be observed by others, making it a sign of heart failure. Choice A, 'Contraindication,' refers to a factor that makes a particular treatment or procedure potentially harmful. Choice C, 'Symptom,' is a subjective indication of a condition experienced by the client. Choice D, 'Subjective data,' is information that is reported by the client but cannot be directly observed or measured.
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