ATI RN
Pathophysiology Practice Questions
1. During a home visit to a family of three: a mother, father, and their child, the mother tells the community nurse that the father (who is not present) had hit the child on several occasions when he was drinking. The mother further explains that she has talked her husband into going to Alcoholics Anonymous and asks the nurse not to interfere so her husband won’t get angry and refuse treatment. Which of the following is the best response of the nurse?
- A. The nurse agrees not to interfere if the husband attends an Alcoholics Anonymous meeting that evening.
- B. The nurse commends the mother’s efforts and agrees to let her handle things.
- C. The nurse commends the mother’s efforts and also contacts protective services.
- D. The nurse confronts the mother’s failure to protect the child.
Correct answer: C
Rationale: In this situation, the best response for the nurse is to commend the mother's efforts in seeking help for her husband by encouraging him to attend Alcoholics Anonymous. However, it is crucial for the nurse to also contact protective services to ensure the safety and well-being of the child. Option A is incorrect as it is not appropriate to condition non-interference on the husband attending a meeting that evening. Option B is incorrect because solely letting the mother handle things might put the child at risk. Option D is incorrect as it does not address the immediate need to ensure the child's safety through involving protective services.
2. A client with a history of rheumatic fever presents with signs of heart failure. What is the likely underlying cause?
- A. Infective endocarditis
- B. Coronary artery disease
- C. Mitral valve stenosis
- D. Aortic regurgitation
Correct answer: C
Rationale: The correct answer is C: Mitral valve stenosis. Rheumatic fever can lead to scarring and thickening of the heart valves, often affecting the mitral valve. This stenosis can impede blood flow from the left atrium to the left ventricle, eventually causing heart failure. Choice A, infective endocarditis, is an infection of the endocardium, the inner lining of the heart chambers and valves, and is not directly related to rheumatic fever. Choice B, coronary artery disease, involves the obstruction of coronary arteries supplying the heart muscle with blood, leading to ischemia and not typically associated with rheumatic fever. Choice D, aortic regurgitation, is the backflow of blood from the aorta to the left ventricle and is not a common consequence of rheumatic fever.
3. A patient is administered isoniazid (INH) for tuberculosis. Which of the following adverse effects will result in discontinuation of the medication?
- A. Weight gain
- B. Jaundice
- C. Fever
- D. Arthralgia
Correct answer: B
Rationale: The correct answer is B: Jaundice. Isoniazid (INH) is known to cause hepatotoxicity, which can manifest as jaundice. Jaundice is a serious adverse effect that warrants immediate discontinuation of the medication to prevent further liver damage. Weight gain, fever, and arthralgia are not typically associated with isoniazid use and would not necessitate discontinuation of the medication.
4. A tension pneumothorax requires a needle thoracostomy and/or chest tube placement as treatment to which component of the pathophysiology of the condition?
- A. An accumulation of blood in the pleural space, which makes it difficult for the lungs to exchange gases.
- B. Extreme pain caused by a fractured rib
- C. A large accumulation of trapped air in the pleural space affecting both the lungs and heart.
- D. Sudden failure of the respiratory system due to fluid accumulation in the alveoli
Correct answer: C
Rationale: A tension pneumothorax is characterized by a large accumulation of trapped air in the pleural space, creating pressure that affects both the lungs and heart. This condition can lead to life-threatening consequences by shifting mediastinal structures and impairing cardiac function. Treatment involves decompressing the trapped air to relieve the tension. Choices A, B, and D are incorrect as they do not describe the primary pathophysiological mechanism of tension pneumothorax, which is the accumulation of air in the pleural space, not blood, rib fractures, or alveolar fluid accumulation.
5. What is the characteristic of the condition of leukemia?
- A. A benign growth of skin cells
- B. A malignant growth of skin cells
- C. A malignant growth of white blood cells
- D. A benign growth of white blood cells
Correct answer: C
Rationale: The correct answer is C: 'A malignant growth of white blood cells.' Leukemia is a type of cancer that affects the blood and bone marrow, leading to an overproduction of abnormal white blood cells. These cells are malignant and impair the normal function of healthy blood cells. Choices A, B, and D are incorrect because leukemia does not involve skin cells or benign growths; instead, it specifically refers to the abnormal proliferation of white blood cells.
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