父母为近亲结婚者,发病率高() ["佝偻病","营养不良","唐氏综合征","苯丙酮尿症","缺铁性贫血"]
男性,15岁,学生,不规则发热半个月,体温38~40℃,无畏寒、寒战,伴食欲缺乏、腹胀,近日出现精神恍惚,谵妄,听力下降,在当地不规则用过青霉素、氨苄西林治疗。体查:体温40℃,脉搏100次/分,血压:98/79mmHg,表情呆滞,心肺无异常,腹软,右下腹轻压痛,肝右肋下o.5cm,脾左肋下1咖,血象:WBC3.1×109/L,N0.65,L0.35。下列处理正确的是() ["A.选用喹诺酮类抗菌治疗","卧床休息","易于消化,少纤维饮食","高热时可采用物理降温","腹胀用肛管排气+新斯的明","选用青霉素抗菌治疗"]
以下哪几项参数是反映肺通气功能状态的指标() ["PAO2","PaCO2","VD/VT","pH","[HCO3-]"]
儿童系统性红斑狼疮的第一线药物是:() ["环磷酰胺","羟基喹啉","糖皮质激素","非激素类抗炎类药","静脉注射丙种球蛋白"]
患者,男,36岁,自幼肌肉关节出血,牙龈出血,皮肤瘀斑;膝关节肿大,活动受限。家族史阳性。APTT98.6s,PT45.6s,TT24.6s,Fg2.6g/L,FⅧ:C2.5%,FⅧ:Ag3.0%,FⅨ:C88.O%,FX:C89.326。该患者诊断为() ["A.血友病甲","血友病乙","血友病丙","血管性血友病","以上均不是"]
何为高分化、中分化与低分化