阵发性室性心动过速时心率为() ["75~175次/分","160~220次/分","100~150次/分","150~300次/分",">300次/分"]
关于脊柱结核叙述正确的是() ["A.颈椎结核并发截瘫最多","B.椎间盘易受累及","C.患者夜间多能较好的睡眠,可和恶性肿瘤相鉴别","D.发生截瘫一般出现感觉障碍","E.脊柱畸形以后凸多见"]
鼻咽癌累及三叉神经可致() ["面部麻木","眼球外展受限","视力障碍","声嘶","伸舌偏斜"]
根据所提供的图像,该患者的最可能的诊断为直肠() ["直肠静脉曲张","直肠癌","直肠息肉","直肠淋巴瘤","直肠炎症"]
手术室空气污染最小,O2和吸入全身麻醉药耗量最少属于() ["半开放式麻醉","半紧闭式麻醉","紧闭式麻醉","低流量紧闭麻醉","开放式麻醉"]
中速辊工磨煤机堵煤如何处理?