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丁卡因不宜应用于
A 蛛网膜下腔麻醉 B 浸润麻醉 C 表面麻醉 D 阻滞麻醉 E 硬膜外麻醉
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维持蛋白质分子二级结构的力,主要是
A 二琉键 B 酯键 C 肽键 D 次级键 E 氢键
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釉质中羟磷灰石晶体的分子式是
A Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0.gif"> (PO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_1.gif">)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_2.gif"> (OH)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_3.gif"> B Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_4.gif"> (PO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_5.gif">)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_6.gif"> (OH)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_7.gif"> C Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_8.gif"> (PO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_9.gif">)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_10.gif"> (OH)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_11.gif"> D Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_12.gif"> (PO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_13.gif">)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_14.gif"> (OH)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_15.gif"> E Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_16.gif"> (PO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_17.gif">)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_18.gif"> (OH)<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12272941_0_19.gif">
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预防局麻药中毒的必要原则中除外
A 避免局麻药直接注入血管内 B 注意局麻药的用药总量 C 注意局麻药的浓度 D 注意局麻药推注速度 E 注射局麻药前给镇静药
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与牙周病发生关系密切的菌斑是
A 光滑面菌斑 B 龈上菌斑 C 颈沿菌斑 D 龈下菌斑 E 邻面菌斑
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能加重氯丙嗪所致的迟发性运动障碍程度的药物是
A 抗躁狂药 B 抗癫痫药 C 抗胆碱药 D 抗抑郁药 E 抗焦虑药
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含牙囊肿衬里上皮发生于
A 牙板上皮 B 缩余釉上皮 C 沟内上皮 D 上皮根鞘剩余 E 结合上皮
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关于牙周炎,以下哪项是错误的
A 是由菌斑微生物引起的牙周组织炎症性破坏性疾病 B 处于病损确立期的牙周炎不可发生逆转 C 早期病变内胶原的破坏丧失可达60%~70% D 始发期为急性渗出性炎症 E 进展期为持续性炎性破坏过程
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患者14岁,右下后牙1天来夜间痛影响睡眠,痛放散到右半侧头面部。查见右下第一前磨牙咬合面畸形中央尖折断痕迹,冷侧引起剧痛,叩痛(-)。医师诊断为
A 急性龋 B 可复性牙髓炎 C 急性牙髓炎 D 慢性牙髓炎 E 急性根尖炎
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高血压伴阵发性室上性心动过速宜选用哪种抗心律失常药物
A 普鲁卡因 B 奎尼丁 C 维拉帕米 D 胺碘酮 E 心律平
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