CT扫描的适应证有哪些?
某人的红细胞与B型血血清凝集．而其血清与B型血的红细胞不凝集．此人血型为() ["A．A型 ","B．B型 ","C．O型 ","D．AB型 ","E．以上都不是"]
同时影响肾小球滤过和肾小管重吸收的因素() ["A．血浆胶体渗透压 ","B．滤过膜的通过性 ","C．血液中葡萄糖 ","D．抗利尿激素 ","E．醛固酮"]
面神经核上瘫的表现为() ["A．病灶对侧鼻唇沟消失 ","B．口角低垂向病灶侧偏斜 ","C．流涎 ","D．不能鼓腮，露齿欠佳 ","E．下颌偏向病灶对侧"]
三维适形放射治疗
正常人体组织的CT值是多少?
