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13820 Pathology

A 60 year old male presented with acute chest pain of 4 hours duration. Electrocardiographic examination revealed new Q wave with ST segment depression. He succumed to his illness within 24 hours of admission. The hea revealed presence of a transmural haemorrhagic area over the septum and anterior wall of the left ventricle. Light microscopic examination is most likely to reveal:

AEdema in between normal myofibres
BNecrotic myofibres with presence of neutrophils
CCoagulative necrosis of the myocytes with presence of granulation tissue
DInfiltration by histiocytes with haemosiderin laden macrophages
Pathology
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13821 Pathology

A 35-year-old man has a 5-year history of episodic wheezing and coughing. The episodes are more common during the winter months, and he has noticed that they often follow minor respiratory tract infections. In the period between the episodes, he can breathe normally. There is no family history of asthma or other allergies. On physical examination, there are no remarkable findings. A chest radiograph shows no abnormalities. A serum IgE level and WBC count are normal. Which of the following is the most likely mechanism that contributes to the findings in his illness?

AAccumulation of alveolar neutrophilic exudate
BBronchial hyperreactivity to chronic inflammation
CEmigration of eosinophils into bronchi
DHyperresponsiveness to Aspergillus spores
Pathology
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