题目内容

知情同意书必须由患者本人签字。

A. 对
B. 错

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晚期肿瘤患者谈病情时,必须如实告知患者病情已到无法治疗的情况。

A. 对
B. 错

Everyone puts things off sometimes, but procrastinators chronically avoid difficult tasks and may deliberately look for distractions. Procrastination tends to ___1___ a person’s struggles withself-control. For ___2___ procrastinators, who represent approximately 20 percent of the population, "I don't feel like it" comes to take precedence over theirgoalsor ___3___, and can set them on a downward spiral of negative emotions that further deter future effort. Procrastination also involves a degree ofself-deception: At some level, procrastinators are ___4___ of their actions and the consequences, but changing their habits requires even greater effort than ___5___ the task in front of them. Procrastinators are oftenperfectionists, for whom it may be ___6___ more acceptable to never tackle a job than to face the possibility of not doing it well. They may be so highly ___7___ about what others will think of them that they put their futures at risk to avoid judgment.Procrastination may ___8___ pressure in the moment, but it can have steep emotional, physical, and practical ___9___. Students who routinely procrastinate tend to get ___10___ grades, workers who procrastinate produce lower-quality work, and in general, habitual procrastinators can experience reduced well-being in the form ofinsomniaor immune system and gastrointestinal disturbance. Procrastination can also jeopardize both personal and professional relationships.

期前收缩心电图中的联律间期是指

A. 窦性PP间距
B. RR间距
C. 期前收缩与其前主导心搏之间的间距
D. 期前收缩与其后主导心搏之间的间距

期前收缩心电图中的代偿间期是指

A. 窦性PP间距
B. RR间距
C. 期前收缩与其前主导心搏之间的间距
D. 期前收缩与其后主导心搏之间的间距

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