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问题 单项选择题

人工气道吸痰时的特点及注意事项错误的是（）

A.在吸痰管逐渐退出的过程中打开负压吸痰，抽吸时应旋转吸痰管，间断使用负压，可减少黏膜损伤，而且抽吸更为有效。

B.吸痰管在气道内的时间不应超过15---20秒，从吸痰开始到恢复通气和氧合的时间不应超过30秒。

C.抽吸期间密切观察心电监护，一旦出现心律失常或呼吸窘迫，应立即停止吸痰，并吸入纯氧。

D.按需吸痰，频繁过多的吸引易引起气道黏膜损伤；痰液多.黏稠时加强气道湿化，加强翻身拍背。

答案

参考答案：B

多项选择题

对青年妇女，应考虑为子宫内膜结核的是()

A.经量减少或闭经

B.不孕

C.卵巢功能正常

D.子宫较小，诊刮无组织

E.妇科检查可及双侧输卵管增厚粘连，有囊性感
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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.
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