The main causes of pulmonary hemorrhagic infarction are( )
A. Pulmonary vein occlusion, pulmonary artery congestion, and failure to establish collateral circulation
B. Left heart failure, obstruction of pulmonary venous return
C. Pulmonary artery occlusion, left heart failure, insufficient blood supply to bronchial artery, and failure to establish collateral circulation
D. Simultaneous obstruction of pulmonary artery and bronchial vein
E. Simultaneous obstruction of pulmonary vein and bronchial artery
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When healthy pregnant women suddenly appear cyanosis, dyspnea and shock during delivery, the first consideration should be given to( )
Anaphylactic shock
B. Amniotic fluid embolism
C. Air embolism
D. Thromboembolism
E. Acute hemolysis caused by blood group incompatibility
White thrombus is the tail of continuous thrombus.( )
The spleen, kidney and intestine are prone to anemia infarction.( )
Transparent thrombus, also known as microthrombus, is mainly composed of fibrin.( )
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