下列颅骨缝隙，呈锯齿状的是() ["A．成人颅缝","B．骨折线","C．幼儿颅缝","D．血管压迹","E．蛛网膜颗粒压迹"] 男，34岁，3个月前行左额叶脑肿瘤切除术，近1个月又感头痛无恶心呕吐，近1周来又觉双下肢无力，并失语，请根据所提供图像，选择最可能的诊断() ["A．(左额叶)星形细胞Ⅱ级伴出血坏死(复发性)","B．(左额叶)脑出血","C．(左额叶)海绵状血管瘤","D．(左额叶)动静脉血管畸形","E．(左额叶)脑肿瘤术后"] 下列哪项在头颅平片上不能显示() ["A．前床突","B．垂体","C．后床突","D．鞍结节","E．蝶鞍"] 平静呼吸下屏气，常用于哪个部位的检查() ["A．手","B．下肢","C．前臂","D．心脏","E．躯干"] 男，20岁，头痛、鼻塞、鼻出血，CT如图所示，最可能诊断为() ["A．鼻咽癌","B．巨大的鼻息肉","C．鼻咽纤维血管瘤","D．鼻咽神经纤维瘤","E．鼻咽腺样体增生"] 肺的经脉名称是()