老年人急性阑尾炎的特点不具备下列哪一项() ["A．不易穿孔坏死","B．局部症状与体征不明显","C．阑尾病变重","D．全身反应差","E．穿孔后不易局限"] 小儿急性阑尾炎特点不包括下列哪一项() ["A．病情发展快","B．全身中毒轻","C．病史不清楚","D．体征不典型","E．穿孔后不易局限"] 急性阑尾炎术后护理不正确的是() ["A．轻症患者术后6小时可开始给予流质","B．阑尾周围脓肿患者出院时，嘱其1个月后再做阑尾切除术","C．术后5～7天注意观察盆腔脓肿等并发症","D．轻症患者术后24小时即可起床活动","E．术后3～4天应注意观察切口感染"] 急性阑尾炎易发生阑尾坏死、穿孔的主要原因是() ["A．阑尾开口较小","B．阑尾系膜短易扭转","C．阑尾淋巴丰富","D．阑尾动脉为终末支，易致血运障碍","E．阑尾蠕动较缓慢而弱"] 右半结肠癌的表现最明显的是() ["A．腹痛","B．脓血便","C．便秘与腹泻交替","D．肠梗阻症状","E．全身中毒症状"] 可乐定属下列哪类药()