患者男，25岁。骑跨性尿道损伤，不能自行排尿且有尿外渗。尿外渗的范围多见于（） ["前列腺周围","会阴部及阴囊","腹腔","膀胱周围","耻骨后间隙"]
硬度系数为f=8-12属于（）矿石。 ["硬","中硬","软","中软"]
寒水上泛可见（）。 ["口淡","口苦","口涩","口甜","口咸"]
下列各项，不属于普通型流行性脑脊髓膜炎典型表现的是（） ["头痛","呕吐","巴宾斯基征阳性","皮肤黏膜出血点","抽搐"]
房劳过度主要伤及（）。 ["肝脾","肺脾","心脾","心肾","肾精"]
简述什么是六点定则？
