Bleeding spots on the skin caused by thrombocytopenia is due to
A: Platelets don't stick easily.
B: Platelets do not aggregate easily.
C: Blood vessels do not constrict easily
D: Loss of capillary wall integrity
A: Platelets don't stick easily.
B: Platelets do not aggregate easily.
C: Blood vessels do not constrict easily
D: Loss of capillary wall integrity
D
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
- Thrombocytopenia can cause bleeding spots on the skin, mainly due to<br/>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<br/>cells D: Vascular retraction disorder E: Excessive quantity
- 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
- 绝不能让敌人轻轻松松占我们的地盘。 A: We will never let the enemies seize our land easily. B: We will never let the enemies easily seize our land easily and relaxingly.
- He is easily _______ so I do not like to talk with him.
内容
- 0
A ________ skin is easily damaged by too much sunshine.
- 1
responsible/reliable A: is on time B: doesn’t tire easily C: acts like an adult, not a child D: does what they say that they will do
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He is easily (offend) ______ so I don’t like to talk with him.
- 3
中国大学MOOC: A skin is easily damaged by too much sunshine.
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— People, especially the young, ______ by their friends. — That’s true. Friends play an important part in everyone’s life. A: easily influences B: easily influenced C: are easily influenced D: will be easily influenced