问题
单项选择题
女,3岁。右下后牙冷热刺激痛1周。检查:右下第二乳磨牙面深龋洞,去净腐质达牙本质深层,探诊轻微敏感,叩(-)。治疗应选择
A.氢氧化钙护髓
B.磷酸锌水门汀垫底
C.氧化锌丁香油糊剂安抚
D.复合体充填
E.活髓切断术
答案
参考答案:A
解析:患牙为深龋,需用氢氧化钙制剂护髓后充填。
女,3岁。右下后牙冷热刺激痛1周。检查:右下第二乳磨牙面深龋洞,去净腐质达牙本质深层,探诊轻微敏感,叩(-)。治疗应选择
A.氢氧化钙护髓
B.磷酸锌水门汀垫底
C.氧化锌丁香油糊剂安抚
D.复合体充填
E.活髓切断术
参考答案:A
解析:患牙为深龋,需用氢氧化钙制剂护髓后充填。
阅读下面的短文,判断文后的句子是否与短文内容相符,符合的选T 不符合的选F(共4小题,每小题2分) Life in 2050 What will life be like in the year 2050? No one knows, but of course it will be very different from it today Here are some predictions: Firstly, people will work fewer hours, and robots will do hard and dangerous work instead.So they will have more free time for sports and travelling. Secondly, cars, will run faster, and computers will control(控制) the speed instead of people. So there won't be any accidents. Thirdly, people will be able lo live in the sea. away from the crowded and noisy cities on land. Lastly, water will have become one of our most serious problems because there could be serious shortage(短缺). Some scientists open predict that water could be the cause of war if we don'i act now.
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