在我国,钩端螺旋体菌群毒力最强的是() ["犬群","黄疸出血群(赖群)","波库那群","流感伤寒群","七日热群"]
三尖瓣狭窄的X线检查可见右房缘距中线的最大距离为() [">4cm",">5cm",">3cm",">1cm",">2cm"]
药物半衰期主要取决于其() ["剂量","消除速率","给药途径","给药间隔","分布容积"]
磺胺嘧啶正确的叙述是() ["属长效类磺胺","属短效类磺胺","血浆蛋白结合率高易透过血,脑脊液屏障","血浆蛋白结合率低易透过血,脑脊液屏障","为治疗伤寒的首选药"]
下面哪种激素与神经垂体有关() ["血管升压素","促肾上腺皮质激素","泌乳素","生长激素","促性腺激素"]
三不伤害活动是指:对员工进行()、()、()的()安全教育活动。