The reason why the erythrocyte sedimentation rate is accelerated during rheumatic fever is []
A. Increased erythrocyte surface area/volume ratio
B. Increased plasma albumin content
C. Increased plasma lecithin content
D. Increased plasma fibrinogen and globulin content
E. Lesions of red blood cells themselves
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The main role of thrombin is []
Activating factor XIII
B. Decomposing fibrinogen
C. Accelerating the formation of factor VII complex
D. Accelerate the formation of thrombin complex
Enhance the effect of factor VIII
Thrombocytopenia can cause bleeding spots on the skin, mainly due to platelets []
A. Not easily aggregated into a mass
B. Insufficient amount of vasoactive substances released
C. Unable to repair and maintain the integrity of vascular endothelial cells
D. Vascular retraction disorder
Excessive quantity
Decreased elasticity of the aorta can make []
A. Both systolic and diastolic blood pressure increase
Both systolic and diastolic blood pressure decrease
C. Increase in systolic and decrease in diastolic pressure
D. Only increase in systolic and no effect on diastolic pressure
E. Only increase in diastolic and no effect on systolic pressure
The average filling pressure of the circulatory system depends on []
A. The average arterial pressure
B. circulating blood volume
C. The degree of vasomotion of blood vessels
D. The ratio of blood volume to blood vessel volume
E. The size of blood volume velocity
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