The formation of new blood vessels communicating with the original lumen in the organized thrombus can restore part of the blood flow. This phenomenon is called( )
A. Thrombus abscission
B. Collateral circulation formation
C. Thrombus organization
D. Thrombosclerosis
E. Recanalization
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The embolus of pulmonary embolism generally come from( )
A. Thrombus of accessory wall of left atrium
B. Verrucous thrombus of mitral valve
C. Thrombus of portal vein
D. Thrombus in venous system or right heart
E. Thrombus of artery and left atrium
Which one is easily caused for divers to rise from the bottom of the sea to the surface too fast?( )
Atelectasis of lung
B. Emphysema
C. Air embolism
D. CO2 embolism
E. Nitrogen embolism
The main characteristics of the infarcts of spleen and kidney are as follows( )
A. Most of them are in the shape of map, gray and white, with clear boundaries
B. Most of them are Irregular shape, dark red, unclear boundary
C. Most of them are wedge-shaped, dark red, unclear boundary
D. Most of them are in the shape of map, dark red, unclear boundary
E. Most of them are wedge-shaped, gray white, clear boundary
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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