血栓性血小板减少性紫癜形成微血栓的机制,下列哪一项是错误的()。 A.血浆中缺乏血小

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问题:

血栓性血小板减少性紫癜形成微血栓的机制,下列哪一项是错误的()。

A.血浆中缺乏血小板聚集因子的抑制物

B.机体产生血小板表面相关IgG

C.机体产生免疫复合物

D.血小板聚集活性减低致血管扩张

E.免疫复合物损伤微血管壁,同时致敏血小板,使血小板被网状内皮细胞清除

考点:北京住院医师医学检验科Ⅰ阶段临床血液学检验临床血液学检验题库
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出生率

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两端操纵的轨道车对非操纵端应进行相应的()。

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消化性溃疡在病理上组织损害深达哪一层()

A.黏膜下层

B.黏膜层

C.黏膜肌层

D.肌层

E.浆膜层

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防止人身伤亡事故的重点要求有哪些?

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Motivation is "the driving force within individuals that impels them to action." And goals are the sought-after results (1) motivated behavior.
Motivation can be either positive or negative (2) direction. We may feel a driving force toward some object or condition, (3) a driving force away from some object or condition. For example, a person may be impelled toward a restaurant to fulfill a need, hunger, and away (4) an airplane to fulfill a need of safety. Some psychologists refer to positive drives (5) needs, wants or desires, (6) negative drives as fears or aversions. (7) , though negative and positive motivational forces seem to differ dramatically (8) terms of physical and sometimes emotional activity, they are basically similar in (9) they both serve to initiate and sustain human behavior. (10) this reason, researchers often refer (11) both kinds of drives or motives as needs, wants and desires.
Goals, (12) , can be either positive or negative. A positive goal is one toward (13) behavior is directed and it is often referred to as an approach object. A negative goal is (14) from which behavior is directed away and it is sometimes referred to as an avoidance object. Since both approach and avoidance goals can be considered objectives of motivated behavior, most researchers refer to (15) types simply as goals. Consider this example. A middle-aged woman may wish to remain (16) attractive as possible. Her positive goal is to appear desirable, and (17) she may use a perfume advertised to make her irresistible. A negative goal may be to prevent her skin (18) aging, and therefore she may buy and use face creams. (19) the former case, she uses perfume to help her achieve her positive goal -- attractiveness; in the (20) case, she uses face creams to help avoid a negative goal -- wrinkled skin.

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