Which two statements are true for a vCenterServer user accou_答案

【多选题】

Which two statements are true for a vCenterServer user account that is used for vSphere Data Protection (VDP)? (Choose two.)___

A. The user account must be assigned with Administrator role.

B. The password for the user account cannot contain spaces.

C. The user account should be created in the Single Sign-On domain

D. The user account cannot inherit required permissions from a group role.

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关于红细胞悬浮稳定性的描述，错误的是___

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参与生理性止血的血细胞是___

A. 红细胞

B. 白细胞

C. 血小板

D. 淋巴细胞

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关于正常成人血细胞的正常值，错误的是___

A. 男性红细胞（4.0～5.5）×1012 /L

B. 女性红细胞（3.5～5.0）×1012/L

C. 白细胞（4.0～10.0）×109/L

D. 血小板（10.0～30.0）×109/L

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急性化脓性细菌感染时，血液中显著增多的白细胞是___

A. 血小板

B. 单核细胞

C. 嗜酸性粒细胞

D. 中性粒细胞

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外科手术时，常用温热盐水纱布压迫止血，下列原因中错误的是___

A. 温热可以加速酶促反应

B. 纱布可以堵塞伤口

C. 生理盐水是等渗溶液，可以避免组织细胞变形

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血液凝固后，血块回缩是由于___

A. 血凝块中纤维蛋白收缩

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C. 血小板收缩蛋白收缩

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血液中多种凝血因子的合成均在___

A. 肝脏

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肝硬化病人容易发生凝血障碍，主要是由于___

A. 缺乏某些凝血因子

B. 缺乏维生素 K

C. 凝血因子不能被激活

D. 血小板减少

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缺乏维生素K 不会造成哪种凝血因子缺乏___

A. Ⅱ

B. V

C. Ⅶ

D. Ⅸ

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化学本质不是蛋白质的凝血因子是___

A. 因子Ⅲ

B. 因子Ⅳ

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凝血过程中，能引起血小板发生聚集反应的主要物质是___

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关于血液凝固特点的描述，错误的是___

A. 是正反馈过程

B. 血浆的变化

C. 酶促反应

D. 出现血沉表明血液开始凝固

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【单选题】

血浆中主要的天然抗凝物质不包括___

A. 钙离子

B. 肝素

C. 蛋白质 C 系统

D. 抗凝血酶Ⅲ

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【单选题】

下列内、外源性凝血的区别正确的是___

A. 前者是酶促反应，后者不属于酶促反应

B. 前者发生在体内，后者发生在体外

C. 前者只需体内因子，后者需要外加因子

D. 前者由因子Ⅻ启动，后者由因子Ⅲ启动

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【单选题】

能使纤维蛋白原转变为纤维蛋白的酶是___

A. 凝血酶原激活物

B. 凝血酶

C. 激肽释放酶

D. 蛋白水解酶

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【单选题】

关于小血管内皮细胞合成的血管激活物的描述，错误的是___

A. 维持血浆内激活物浓度于一定水平

B. 可吸附于纤维蛋白血凝块上

C. 可抑制血小板的聚集和释放D.肌肉运动时小血管内皮细胞合成和释放的血管激活物增多

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【单选题】

目前已被提取并用于临床治疗血栓病一种组织激活物是___

A. 链激酶

B. 激肽释放酶

C. 尿激酶

D. 前激肽释放酶.

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【单选题】

通常所说的血型是指___

A. 血细胞膜上抗原的类型

B. 血细胞膜上抗体的类型

C. 血浆中抗原的类型

D. 血浆中抗体的类型

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