引起三叉神经扩张血管的最强神经递质是() ["P物质","降钙素基因相关肽","5-HT","去乙酰胆碱","肾上腺素"]
发生在原始胚盘形成后即受精后第13天以上() ["双卵双胎","单卵双胎,双羊膜囊,双绒毛膜","单羊膜囊双胎妊娠","联体儿","单卵双胎,双羊膜囊,单绒毛膜"]
内补丸用于治疗() ["肾阳虚带下","脾阳虚带下","寒湿带下","湿热带下","以上都不是"]
局麻药中毒引起全身惊厥时,首选的止惊药应是()。 ["地西泮","苯巴比妥钠","苯妥英钠","琥珀胆碱","激素"]
下列哪项不是肾阴虚型带下病主症() ["带下赤白,质稍黏无臭,阴部灼热","腰酸如折,夜尿清长","五心烦热,失眠多梦","舌红少苔,脉细略数","头晕目眩,两颧潮红"]
婴幼儿在紧急状态下需增加心输出量时,具体是怎样代偿的?主要靠增加心率,婴幼儿的每搏量相对固定。