ATI RN
ATI Pathophysiology Exam 2
1. When discussing the risks associated with hormone replacement therapy (HRT) with a patient who has a history of coronary artery disease, what should the nurse emphasize?
- A. HRT may increase the risk of cardiovascular events such as heart attack and stroke.
- B. HRT may increase the risk of osteoporosis.
- C. HRT may decrease the risk of venous thromboembolism.
- D. HRT may increase the risk of breast cancer.
Correct answer: A
Rationale: The correct answer is A. Hormone replacement therapy (HRT) is associated with an increased risk of cardiovascular events, such as heart attack and stroke, especially in patients with a history of coronary artery disease. Choice B is incorrect because HRT is actually known to decrease the risk of osteoporosis. Choice C is incorrect as HRT is associated with an increased risk of venous thromboembolism. Choice D is also incorrect as HRT may slightly increase the risk of breast cancer.
2. Which of the following is found in clients with Parkinson’s disease?
- A. Mobility and functioning
- B. The liver and kidneys
- C. Too much dopamine in the brain
- D. Skeletal muscle flaccidity
Correct answer: C
Rationale: The correct answer is C: Too much dopamine in the brain. Parkinson's disease is characterized by a deficiency of dopamine in the brain, not an excess. This deficiency leads to the motor symptoms associated with the disease. Choices A, B, and D are incorrect. Mobility and functioning are affected in Parkinson's disease due to the lack of dopamine, not an excess. The liver and kidneys are not directly related to Parkinson's disease. Skeletal muscle flaccidity is not typically a primary symptom of Parkinson's disease, which is more characterized by rigidity and tremors.
3. While assessing a critically ill client in the emergency department, the nurse notes on the cardiac monitor an R-on-T premature ventricular beat that develops into ventricular tachycardia (VT). Immediately, the client became unresponsive. The nurse knows that based on pathophysiologic principles, the most likely cause of the unresponsiveness is:
- A. metabolic acidosis that occurs spontaneously following any dysrhythmias.
- B. interruption of the blood/oxygen supply to the brain.
- C. massive cerebrovascular accident (CVA) resulting from increased perfusion.
- D. a blood clot coming from the heart and occluding the carotid arteries.
Correct answer: B
Rationale: The correct answer is B. Ventricular tachycardia (VT) can disrupt the normal heart function, leading to a decreased cardiac output. This decreased output can interrupt the blood supply to the brain, causing the client to become unresponsive. Metabolic acidosis (Choice A) is not the most likely cause of unresponsiveness in this scenario. A massive cerebrovascular accident (CVA) (Choice C) would not result from increased perfusion. A blood clot occluding the carotid arteries (Choice D) may lead to a stroke but is not the most likely cause of sudden unresponsiveness in this situation.
4. When a healthcare professional observes muscle stiffening occurring within 6 to 14 hours after death, the healthcare professional should document this finding as _____ present.
- A. Livor mortis
- B. Gangrene
- C. Algor mortis
- D. Rigor mortis
Correct answer: D
Rationale: The correct answer is D, Rigor mortis. Rigor mortis is the stiffening of muscles after death, typically beginning within 6 to 14 hours. Livor mortis (choice A) refers to the pooling of blood in the lowest tissues causing discoloration, gangrene (choice B) is the death of body tissue due to lack of blood flow, and algor mortis (choice C) is the cooling of the body after death.
5. What clinical manifestations would the nurse expect to find in a client who is experiencing anaphylaxis?
- A. Dilated bronchioles, constriction of peripheral blood vessels, decreased capillary permeability
- B. Asthma, deep vein thrombosis, hepatic encephalopathy
- C. Narrowing of the bronchioles, dilation of the peripheral blood vessels, increased capillary permeability
- D. Left-sided heart failure, pulmonary embolism, urinary tract infection
Correct answer: C
Rationale: In anaphylaxis, the client would present with narrowing of the bronchioles, dilation of the peripheral blood vessels, and increased capillary permeability. These manifestations lead to symptoms such as difficulty breathing, low blood pressure, and swelling. Choices A, B, and D are incorrect because they do not describe the typical clinical manifestations of anaphylaxis.
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