某患者,在正中颌位时,其下颌切牙切缘咬在上颌切牙舌面的中1/3,应诊断为()。
A.I°深覆颌
B.I°深覆盖
C.Ⅱ°深覆颌
D.Ⅱ°深覆盖
E.Ⅲ°深覆颌
参考答案:A
—How about your English speech contest yesterday?
—Quite well.But my heart was in my mouth before it.
A.I felt very happy.
B.I felt very nervous
C.I felt very easy
D.I felt very cold
男性,68岁,阵发性腹痛1周伴呕吐入院。体格检查:腹胀,见肠型,肠鸣音亢进,有气过水声。X线见腹中部扩张小肠呈阶梯状排列,有液平,结肠内无积气。可能的诊断是
A.结肠梗阻B.低位小肠梗阻C.高位小肠梗阻D.肠系膜血管栓塞E.坏死性小肠炎