患者，女性，左眼红肿、分泌物增多1天。检查左眼睑红肿，结膜囊内见大量黄白色分泌物，擦之又生，结膜充血、水肿，耳前淋巴结肿大压痛，角膜尚透明，伴有尿频、尿急、尿痛症状。最有可能的诊断是() ["A．春季卡他性结膜炎","B．流行性角结膜炎","C．淋球菌性结膜炎","D．沙眼","E．急性结膜炎"]
糜烂形成与下列哪项有关() ["A．水疱","B．结节","C．苔藓样变","D．风团"]
以下疾病无瘙痒的是() ["A．麻风","B．糖尿病","C．黄疸","D．湿疹"]
以下皮肤病不以囊肿为主要表现的是() ["A．皮脂腺囊肿","B．化脓性肉芽肿","C．毛鞘囊肿","D．皮样囊肿"]
囊肿的位置一般在() ["A．角质层下","B．颗粒层","C．棘层","D．表皮下"]
试述血液的生理功能。
