某男性工人,在施工中头部被砸伤,出血不止,急诊来院。经检查,沿发际外侧有一额状裂口,长约3.5cm,需清创缝合。下列除了哪一项外,都是供应头皮的血管(). ["A.眼动脉终末支","颞浅动脉","面动脉","耳后动脉","枕动脉"]
地铁转向架固定轴距是()mm。 ["2300","2400","2500","2600"]
动物采血应选择在() ["末次免疫后10~15天","末次免疫后15~20天","末次免疫后3~5天","末次免疫后5~7天","末次免疫后20~30天"]
患者男,45岁,体重60kg。因车祸挤压下腹部及左下肢5h急诊入院。体格检查:意识清楚,呼吸26次/min,心率130次/min,血压90/60mmHg,腹软,无压痛,移动性浊音阴性,未排尿,骨盆及左股骨肿胀畸形,似有软组织坏死。患者可能出现的体液代谢失调有() ["A.等渗性脱水","高渗性脱水","失血量>1200ml","高钾血症","代谢性酸中毒","代谢性酸中毒合并代谢性碱中毒","呼吸性碱中毒"]
抗体的最小单位是() ["Fab","Fv","ScFv","CH","VH"]
压缩机与原动机的连接方式有哪些?