Vascular Pathology — MCQs

A 78-year-old man presents with a 2-month history of fever and intermittent abdominal pain. He develops peritoneal signs and at laparotomy is found to have an area of infarcted bowel. Biopsy shows inflammation of small-to medium-sized muscular arteries. What is the most likely diagnosis?

A 45-year-old man has had poorly controlled hypertension for the past 11 years, with readings ranging from 150/90 mm Hg to 160/95 mm Hg. Over the last 3 months, his blood pressure has increased to 250/125 mm Hg. On physical examination, his temperature is 36.9°C, lungs are clear on auscultation, heart rate is regular, and there is no abdominal pain on palpation. A chest radiograph shows a prominent border on the left side of the heart. Laboratory studies show that his serum creatinine level has increased during this time from 1.7 mg/dL to 3.8 mg/dL. Which of the following vascular lesions is most likely to be found in this patient's kidneys?

Paradoxical embolism is seen in which organ?

Which of the following conditions is considered abdominal arteritis?

C-ANCA is associated with which of the following conditions?

On sectioning of an organ at autopsy, a focal, wedge-shaped firm area is seen accompanied by extensive hemorrhage and a red appearance. The lesion has a base on the surface of the organ. This finding is typically of:

What is the most common cause of pulmonary embolism?

Microscopic polyangiitis is characterized by the following features EXCEPT?

What is the most common cause of dissecting hematoma?

Which of the following is the characteristic pathologic feature of malignant hypertension?