Pathology Quiz #4: Types of Infarcts

1. A 75-year-old man presents to the emergency department with sudden onset of left-sided chest pain and shortness of breath. An ECG shows ST elevation in leads II, III, and aVF. A coronary angiography reveals occlusion of the right coronary artery. Histological examination of the affected myocardial tissue would most likely show which type of infarct? 

Question 1 of 5

2. A 53-year-old woman with a history of atrial fibrillation presents with sudden onset of severe left flank pain. A CT scan shows an occlusion of a renal artery branch. Histological examination of the affected kidney is likely to show which type of infarct? 

Question 2 of 5

3. A 67-year-old man with a history of poorly controlled diabetes mellitus presents with sudden vision loss in his right eye. Examination reveals retinal artery occlusion. Histological examination of the affected retina would most likely show which type of infarct? 

Question 3 of 5

4. A 45-year-old woman with a history of intravenous drug use presents with fever, malaise, and a new heart murmur. Blood cultures grow Staphylococcus aureus, and an echocardiogram shows vegetations on the mitral valve. If this infection leads to the embolization to the brain, histological examination of the brain would most likely show which type of infarct? 

Question 4 of 5

5. A 70-year-old man presents with sudden onset of left-sided weakness and difficulty speaking. Imaging indicates an occlusion of the middle cerebral artery. Histological examination of the affected cerebral tissue weeks after the event is most likely to show which type of necrosis? 

Question 5 of 5


 

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