引起呕血的常见疾病有__________、__________、胃癌、慢性胃炎、胆道疾患。
咽旁隙位置的描述正确的是() ["A．咽旁隙位于咽后隙的两侧","B．上至颅底，下达舌骨","C．内侧与扁桃体相邻","D．外侧有腮腺及翼外肌","E．可分为前、后两隙"]
男，59岁，反复头晕头痛半年余，重体力活时头痛明显，根据所提供图像，最可能的诊断是() ["A．(左顶)海绵状血管瘤","B．(左顶)室管膜瘤","C．(左侧脑室)胶质瘤","D．(左侧脑室)脉络膜乳头状瘤","E．(左顶)动静脉血管畸形"]
男，50岁，低热，乏力，腰痛2个月，MRI全身脊柱成像显示多个椎体骨质破坏，最可能的诊断是() ["A．椎体转移瘤","B．椎体结核","C．多发性骨髓瘤","D．化脓性脊柱炎","E．未见异常"]
腭扁桃体的描述正确的有() ["A．腭扁桃体前后以舌、腭咽弓为界","B．腭扁桃体的上隐窝，此处是扁桃体脓肿的好发部位","C．腭扁桃体由结缔组织、淋巴生发滤泡、滤泡间组织组成","D．腭扁桃体隐窝为扁桃体炎的病理基础","E．腭扁桃体缺乏淋巴结的淋巴窦和输入管"]
左心衰时__________淤血，右心衰时__________淤血。
