鼻额突出现在胚胎的第几周() ["A．7周","B．4周","C．5周","D．6周","E．8周"]
简述颅内畸胎瘤的CT表现?
轻度脱水的表现正确的是() ["A．失水量为100ml/kg","B．精神萎靡或烦躁不安","C．皮肤弹性尚可","D．四肢稍凉，尿量明显减少","E．眼窝、前囟明显凹陷"]
松果体细胞瘤的CT表现有哪些?
婴儿腹泻有明显周围循环障碍者，扩容时宜选用() ["A．等张钠含液40～50ml/kg","B．高张钠含液20～50ml/kg","C．2/3张钠含液20～30ml/kg","D．1/2张钠含液40～50ml/kg","E．等张钠含液20ml/kg"]
颅咽管瘤的CT表现有哪些?
