问题 单项选择题 A2型题

男性,46岁,左下肢酸胀沉重,小腿出现"蚯蚓状"团块4年。查体:血压17.2/12.0kPa(130/90mmHg),右下肢正常,左小腿可见明显的静脉曲张,内踝处皮肤增厚,有色素沉着。TrendelenburgI式试验和Ⅱ式试验均阳性,Pratt试验阳性。应考虑的诊断是()

A.大隐静脉瓣膜功能不全

B.小隐静脉瓣膜功能不全

C.大隐静脉瓣膜功能不全及深浅静脉间交通支瓣膜功能不全

D.深静脉瓣膜功能不全

E.深、浅静脉间交通支瓣膜功能不全

答案

参考答案:C

论述题
填空题

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.