能引起头痛的全身性疾病有（） ["癫痫大发作后","鼻窦炎","糖尿病","弱视和屈光不正","发热"]
垂体分泌（） ["GnRH","促性腺激素","性激素，包括雌激素、孕激素和少量雄激素","绒毛膜促性腺激素","糖皮质激素、盐皮质激素"]
大叶性肺炎治疗首选药物是（）。 ["阿奇霉素","庆大霉素","青霉素","头孢他啶","胃肠道解痉剂"]
正常人每日分泌唾液总量的（）是由腮腺和颌下腺所分泌的 ["50%","60%","70%","80%","90%"]
关于球后视神经炎的视野改变中，错误的是（） ["A.中心或旁中心暗点","B.中心暗点与生理盲点相连的哑铃形暗点","C.周边视野缩小","D.偏盲性视野缺损"]
对于脊髓损伤患者如何预防直立性低血压？
