单选
突触后膜对下列哪种离子通透性增加产生兴奋性突触后电位
A K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0.gif">、Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_1.gif">,尤其是Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_2.gif"> B Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_3.gif">、Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_4.gif">、K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_5.gif">尤其是Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_6.gif"> C Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_7.gif">、Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_8.gif">、K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_9.gif">,尤其是K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_10.gif"> D K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_11.gif">,Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_12.gif">,Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_13.gif">,尤其是Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_14.gif"> E Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_15.gif">、K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_16.gif">、Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_17.gif">,尤其是Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086515_0_18.gif">
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单选
肾小管液中葡萄糖重吸收的主要部位是
A 髓襻降支 B 远端小管 C 近端小管 D 集合管 E 髓襻升支
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单选
抑制性突触后电位形成是突触后膜对某些离子通透性增加,包括
A Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0.gif">,K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_1.gif">,尤其是K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_2.gif"> B Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_3.gif">,Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_4.gif">,尤其是Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_5.gif"> C Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_6.gif">,Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_7.gif">,尤其是Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_8.gif"> D K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_9.gif">,Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_10.gif">,尤其是Cl<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_11.gif"> E K<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_12.gif">,Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_13.gif">,Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_14.gif">,尤其是Ca<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230301/8086578_0_15.gif">
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单选
下列激素中由下丘脑分泌的是
A 促甲状腺激素释放激素 B 促肾上腺皮质激素 C 催产素 D 生长激素 E 促甲状腺激素
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单选
蛋白质中元素平均含量在16%的是
A 碳 B 氯 C 氧 D 氮 E 硫
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下列氨基酸中属于碱性氨基酸的是
A 赖氨酸 B 谷氨酸 C 苏氨酸 D 亮氨酸 E 半胱氨酸
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单选
蛋白质的一级结构是指
A 肽键骨架原子的空间排序 B B-转角-结构 C 分子中的肽键 D 分子中的二硫键 E 氨基酸的排列顺序
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尿素合成部位是
A 肝 B 脾 C 血液 D 肠道 E 肌肉
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结构类型属于氮芥类抗肿瘤药物的是
A 白消安 B 甲氨蝶呤 C 氟尿嘧啶 D 环磷酰胺 E 氮甲
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单选
具有β-内酰胺结构的药物是
A 氨曲南 B 米诺环素 C 卡那霉素 D 克拉霉素 E 螺旋霉素
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