火力发电厂计算机监控系统输入信号有哪几类?
颅内压增高时错误的护理措施是() ["保持室内安静","抬高头肩部侧卧位","护理操作集中进行","严密观察生命体征","静脉用降颅内压药应先慢后快"]
患儿女,3岁。出生时身长、体重正常。1岁后生长速度减慢,躯干及四肢比例正常应考虑为() ["垂体性侏儒症","特发性垂体功能不全","继发性垂体功能不全","原发性垂体性侏儒","多发性垂体激素缺乏"]
新生儿甲状腺功能减低症下列哪项是错误的() ["精神及动作反应迟钝","食量少,吞咽缓慢,常腹泻","很少哭吵、声音嘶哑","生理性黄疸时间延长","不爱活动,多睡"]
无甲状腺组织的先天性甲状腺功能减低症出现症状的时间是() ["出生时","婴儿早期","3~6个月","6~9个月","9~10个月"]
简述炉水循环泵的结构特点。