• 2022-05-26 问题

    The essential change of blood clotting is A: platelet aggregation B: rouleaux formation C: agglutination of erythrocyte D: fibrination

    The essential change of blood clotting is A: platelet aggregation B: rouleaux formation C: agglutination of erythrocyte D: fibrination

  • 2022-06-10 问题

    From the fourth paragraph we learn that ______ A: heart attacks are more likely caused by alcohol than stroke B: moderate drinking discourages blood platelets from clotting C: boosting the levels of good cholesterol can lead to heart attacks D: moderate drinking protects people by making the blood cell clump

    From the fourth paragraph we learn that ______ A: heart attacks are more likely caused by alcohol than stroke B: moderate drinking discourages blood platelets from clotting C: boosting the levels of good cholesterol can lead to heart attacks D: moderate drinking protects people by making the blood cell clump

  • 2022-06-04 问题

    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

    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

  • 2022-06-07 问题

    Which of the following is least likely to be associated with an increase in the inflammatory <br/>response? A: necrosis of cells, followed by phagocytosis of neutrophils B: release of peptides curing cleavage of fibrinogen to fibrin (blood clotting) C: cleavage of C5 during complement activation D: apoptosis of surplus healthy cells E: secretion of IFNγ by macrophages and TH cells

    Which of the following is least likely to be associated with an increase in the inflammatory <br/>response? A: necrosis of cells, followed by phagocytosis of neutrophils B: release of peptides curing cleavage of fibrinogen to fibrin (blood clotting) C: cleavage of C5 during complement activation D: apoptosis of surplus healthy cells E: secretion of IFNγ by macrophages and TH cells

  • 2022-06-15 问题

    Where do the clots come from? Blood flow slow down. A sudden change in heart rhythm leads the upper chambers to contract abnormally. Platelets, clotting factors, and fibrin stick together. The clot can be carried up towards the arteries and blood vessels supplying the brain until getting to one it can't squeeze through. A: ①②③④ B: ②①③④ C: ②③①④ D: ①③④②

    Where do the clots come from? Blood flow slow down. A sudden change in heart rhythm leads the upper chambers to contract abnormally. Platelets, clotting factors, and fibrin stick together. The clot can be carried up towards the arteries and blood vessels supplying the brain until getting to one it can't squeeze through. A: ①②③④ B: ②①③④ C: ②③①④ D: ①③④②

  • 2022-06-15 问题

    How is the embolism of a thrombotic stroke formed? ① Blood flow slows down. ② A sudden change in heart rhythm prevents the upper chambers of the heart from contracting normally. ③ Platelets, clotting factors, and fibrin stick together. ④ The clot can be carried up towards the arteries and blood vessels supplying the brain until it can’t squeeze through. A: ②④③① B: ②①③④ C: ②①④③ D: ①②④③

    How is the embolism of a thrombotic stroke formed? ① Blood flow slows down. ② A sudden change in heart rhythm prevents the upper chambers of the heart from contracting normally. ③ Platelets, clotting factors, and fibrin stick together. ④ The clot can be carried up towards the arteries and blood vessels supplying the brain until it can’t squeeze through. A: ②④③① B: ②①③④ C: ②①④③ D: ①②④③

  • 2022-06-04 问题

    Inflammatory<br/>responses may include all of the following except ( ) A: Clotting<br/>proteins sealing off a localized area. B: Increased<br/>activity of phagocytes in an inflamed area. C: Reduced<br/>permeability of blood vessels to conserve plasma. D: Release<br/>of substances to increase the blood supply to an inflamed area. E: Increased<br/>release of white blood cells from bone marrow.

    Inflammatory<br/>responses may include all of the following except ( ) A: Clotting<br/>proteins sealing off a localized area. B: Increased<br/>activity of phagocytes in an inflamed area. C: Reduced<br/>permeability of blood vessels to conserve plasma. D: Release<br/>of substances to increase the blood supply to an inflamed area. E: Increased<br/>release of white blood cells from bone marrow.

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