下述哪一种技术属于频谱多普勒技术() ["A．M型彩色多普勒","B．连续波多普勒","C．彩色多普勒能量图","D．伪彩色编码二维超声显像","E．彩色多普勒血流显像"]
次要作用为外转、下转的肌肉是() ["A．上直肌","B．下直肌","C．上斜肌","D．下斜肌","E．外直肌"]
如何正确计算婴儿每日所需热卡量、需水量及给牛奶量？
次要作用为外转、上转的肌肉是() ["A．上直肌","B．下斜肌","C．上斜肌","D．下直肌","E．内直肌"]
5个月婴儿正常体重应如何计算？
监测婴幼儿体重和身长有何临床意义？
