黑素细胞来源于() ["表皮外胚层","神经嵴外胚层","神经管外胚层","中胚层","内胚层"]
有关肠源性感染的描述哪一项不正确() ["与肠道菌群失调有关","与肠黏膜屏障功能损害有关","肠源性感染主要引起肠道功能失调","与免疫功能下降有关","肠道细菌和毒素可经肠道侵入播散全身"]
RA所致肺间质病变的临床特点是() ["早期诊断有赖高分辨CT检查","部分病人可有气短及肺功能不全","少数可出现慢性纤维化肺泡炎","以上都是","临床常无症状"]
男性,28岁。右侧颊部巨大蔓状血管瘤。最佳治疗方案是() ["放射治疗","硬化剂注射","手术切除","栓塞后手术切除","低温治疗"]
计算声压级的基准声压是() ["100Hz纯音的听阈声压","100Hz纯音的基准声压","1000Hz纯音的听阈声压","1000Hz纯音的基准声压","1000Hz纯音的痛阈声压"]
如何理解内感性不适、幻触与内脏性幻觉?