关于"局部麻醉"的叙述不正确的是() ["暂时阻断相关周围神经的冲动传导","使受神经支配的相应区域产生麻醉作用","局部麻醉药的给药途径以静脉注射为主","局部麻醉通常简称为局麻","局部麻醉是一系列麻醉方法的总称"]
导致手术后腹胀的原因主要是() ["咽下的空气在肠腔内积存","食物残渣在肠腔内发酵产气","低钾血症","肠粘连","术后缺少活动"]
狂犬病最具特征性且有诊断意义的病理变化是() ["脑实质充血、水肿","脑实质微泛白","神经细胞变性","唾液腺肿胀,细胞变性","内格里小体"]
长度为0.05毫米的正确表示可以是()。(有上标) ["0.05mm","5×10-5m","50μm","5000nm"]
基底细胞瘤皮损最好发于() ["儿童","老年人","躯干","面部","下肢"]
何谓弱视?试述弱视的病因和分类。