What is the earliest and quickest response of blood vessels after an injury? ()
A: Vascular endothelial cell contraction
B: Platelet aggregation
C: Clot retraction
D: The wound callus
E: Blood flowing retarding
A: Vascular endothelial cell contraction
B: Platelet aggregation
C: Clot retraction
D: The wound callus
E: Blood flowing retarding
举一反三
- In patients with thrombocytopenia, spontaneous bleeding spots and<br/>purpura often appear on the skin and mucosa, mainly due to () A: Not easy to form antithrombus<br/>[B].<br/>Blood vessels do not constrict easily B: Failure to maintain the integrity of vascular endothelium C: Blood clot retraction disorder D: Blood clotting disorders
- Grey<br/>matter is:<br/>() A: Aggregation of nerves B: Aggregation of bodies of neuron C: Aggregation of axon of neuron D: Aggregation of muscles E: Aggregation of blood vessels
- The essential change of blood clotting is A: platelet aggregation B: rouleaux formation C: agglutination of erythrocyte D: fibrination
- Series 2 prostaglandins have important roles in the immediate response to stress or injury, including _____________________. A: inflammation B: pain C: swelling D: dilation of blood vessels
- v. to lose blood, especially from a wound or an injury A: betray B: bleed C: compel D: blend