肾上腺腺瘤的CT表现多为低密度,主要原因是其内含有() ["液体","脂类","空气","蛋白质","出血"]
由于鼓膜向前下方倾斜,因而外耳道前下壁较后上壁长约()。 ["2mm","3mm","4mm","5mm","6mm"]
内科治疗脑出血时,最重要的是() ["气管切开,吸氧","降低血压","注意水电解质平衡","控制出血","控制脑水肿,预防脑疝"]
下列不是水肿发生的病理生理学因素的是()。 ["毛细血管通透性降低","血清白蛋白减少","组织间隙蛋白含量增加","肾小球滤过率降低","继发性醛固酮增多"]
完全的爪形手见于() ["单纯正中神经损伤","单纯尺神经损伤","正中神经与尺神经联合损伤","尺神经与桡神经联合损伤","正中、尺、桡神经均损伤"]
胃溃疡鉴别诊断