[ { "id": "cmmlu_0", "conversations": [ { "from": "human", "value": "豌豆种皮色中有灰色和白色,灰色(G)对白色(g)为显性。一豌豆植株自交产生了108粒灰色籽粒、37粒白色籽粒,该植株的基因型为\nA. GG\nB. gg\nC. Gg\nD. 无法确定" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_1", "conversations": [ { "from": "human", "value": "高等生物细胞质遗传物质的载体有\nA. 噬菌体\nB. 质体\nC. 质粒\nD. 线粒体" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_2", "conversations": [ { "from": "human", "value": "杂合体减数分裂终变期会出现四体环或四体链的染色体结构变异类型是\nA. 易位\nB. 重复\nC. 倒位\nD. 缺失" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_3", "conversations": [ { "from": "human", "value": "哺乳动物的性别由以下什么因素决定\nA. 剂量补偿\nB. 取决于环境因素\nC. Y染色体决定\nD. X-染色体和常染色体的平衡" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_4", "conversations": [ { "from": "human", "value": "用放射性32P标记实验前的噬菌体的DNA,然后让它去感染含31P的细菌。实验后,含32P的是\nA. 部分子代噬菌体的DNA\nB. 全部子代噬菌体的DNA\nC. 全部子代噬菌体的蛋白质外壳\nD. 部分子代噬菌体的蛋白质外壳" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_5", "conversations": [ { "from": "human", "value": "在形成性细胞的减数分裂中,染色体数目的减半发生在\nA. 前期I\nB. 后期II\nC. 前期II\nD. 后期I" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_6", "conversations": [ { "from": "human", "value": "下列关于遗传密码特征的描述中,哪一个是错误的\nA. 真核生物内显子的存在表明遗传密码可以是非连续的\nB. 多数氨基酸可以由两种或两种以上的密码子编码\nC. 三个碱基决定一个氨基酸\nD. 病毒的遗传密码和人类核基因的遗传密码是通用的" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_7", "conversations": [ { "from": "human", "value": "已知a,b,c3对基因独立遗传。基因型为AaBbCc的个体自交后代有纯合基因型\nA. 4种\nB. 2种\nC. 8种\nD. 1种" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_8", "conversations": [ { "from": "human", "value": "细胞减数分裂过程中,非同源染色体的自由组合发生在\nA. 后期I\nB. 中期I\nC. 中期II\nD. 后期II" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_9", "conversations": [ { "from": "human", "value": "关于基因的概念,错误的叙述是\nA. 基因是控制生物性状的遗传物质的结构单位和功能单位\nB. 基因是DNA上有一定功能的特异碱基排列顺序\nC. 基因是染色体的一段\nD. 基因是有遗传效应的DNA片段" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_10", "conversations": [ { "from": "human", "value": "栽培马铃薯是一个同源四倍体(2n=48),其单倍体在减数分裂时可能出现的配对形式包括\nA. 四价体、三价体、二价体和单价体\nB. 三价体、二价体和单价体\nC. 二价体和单价体\nD. 二价体" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_11", "conversations": [ { "from": "human", "value": "遗传学上把同一植物上的自花授粉或同株上的异花授粉称为\nA. 自交\nB. 测交\nC. 杂交\nD. 回交" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_12", "conversations": [ { "from": "human", "value": "下列DNA损伤修复途径中,哪种途径通常能够恢复碱基序列的正确性\nA. SOS修复\nB. 复制后修复\nC. 直接修复\nD. 双链断裂修复" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_13", "conversations": [ { "from": "human", "value": "酵母抑制型小菌落突变类型与正常菌落杂交后代中\nA. 全部为正常菌落\nB. 全部为小菌落\nC. 等比例的正常菌落和小菌落\nD. 不定比例的正常菌落和小菌落" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_14", "conversations": [ { "from": "human", "value": "玉米T型不育系是属于孢子体不育型,用S(rr)雌性×N(RR)雄性,F2育性表现为\nA. 3/4可育植株:1/4不育植株\nB. 全部植株花粉可育\nC. 同一植株上3/4花粉可育:1/4花粉不育\nD. 3/4植株表现穗上花粉育性分离:1/4植株完全不育" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_15", "conversations": [ { "from": "human", "value": "一个小麦杂交组合的F三个世代的粒重方差分别为500,400和450,则该杂交组合粒重的狭义遗传率为\nA. 30%\nB. 15%\nC. 85%\nD. 60%" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_16", "conversations": [ { "from": "human", "value": "细胞分裂中期,染色体\nA. 收缩到最粗最短分布于细胞核中\nB. 呈松散状态分散于细胞质中\nC. 呈松散状态分散于细胞核中\nD. 收缩到最粗最短分布于赤道板上" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_17", "conversations": [ { "from": "human", "value": "根据红色面包霉的研究,提出“一个基因一种酶”理论的科学家是\nA. Gregor Mendel\nB. Beadle G.W\nC. Avery O. T\nD. Barbara McClintock" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_18", "conversations": [ { "from": "human", "value": "一个小麦杂交组合的F2,B1,B2三个世代的粒重方差分别为500,400和450,则该杂交组合粒重的狭义遗传率为\nA. 60%\nB. 85%\nC. 15%\nD. 30%" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_19", "conversations": [ { "from": "human", "value": "以下哪一类型的染色体畸变不能回到野生型的状态\nA. 重复\nB. 缺失\nC. A和C均是\nD. 转位" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_20", "conversations": [ { "from": "human", "value": "下列哪些叙述是正确的\nA. 外显子在基因组和 cDNA 中顺序相同\nB. 人体中的所有细胞表达相同的一套基因\nC. 人体中的所有细胞均按相同的方式拼接每个基因的 RNA\nD. 内含子通常被翻译" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_21", "conversations": [ { "from": "human", "value": "将一对等位基因的杂合体做亲本逐代自交三次,F3代纯合体的比例为\nA. 3/4\nB. 15/16\nC. 7/8\nD. 1/8" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_22", "conversations": [ { "from": "human", "value": "大肠杆菌的染色体为\nA. 单链线状DNA分子\nB. 双链线状DNA分子\nC. 单链环状DNA分子\nD. 双链环状DNA分子" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_23", "conversations": [ { "from": "human", "value": "人类中的红绿色盲为隐性伴性遗传,如果一色盲携带者(XCXc)与一正常男性结婚,子代中男孩的表现型是\nA. ½色盲,½正常\nB. 全为色盲\nC. ¾色盲,¼正常\nD. 全为正常" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_24", "conversations": [ { "from": "human", "value": "在普通光学显微镜下,可识别的染色体形态不包括\nA. 染色体大小\nB. 着丝粒位置\nC. 着丝粒大小\nD. 随体大小" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_25", "conversations": [ { "from": "human", "value": "下列染色体结构变异体中,生活力和配子育性最低的是\nA. 倒位纯合体\nB. 缺失纯合体\nC. 易位纯合体\nD. 重复纯合体" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_26", "conversations": [ { "from": "human", "value": "在估算异花授粉植物广义遗传率时,可以用来估计性状环境方差的是\nA. 回交世代的表现方差\nB. F1的表现方差\nC. F2的表现方差\nD. 亲本的表现方差" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_27", "conversations": [ { "from": "human", "value": "栽培大麦(2n=14)有丝分裂中期细胞内具有的染色单体数目为\nA. 14条\nB. 7条\nC. 28条\nD. 42条" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_28", "conversations": [ { "from": "human", "value": "一对同源染色体\nA. 在细胞分裂间期配对平行排列\nB. 总是带有相同的基因\nC. 形态和结构相同\nD. 来源于生物同一亲本" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_29", "conversations": [ { "from": "human", "value": "在细胞分裂前期,发生的是\nA. 染色质卷缩成为染色体\nB. 染色体解螺旋成为染色质\nC. 染色体卷缩为染色体质\nD. 染色质解螺旋成为染色体" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_30", "conversations": [ { "from": "human", "value": "香蕉是一个同源三倍体(2n=33),其同源染色体在减数分裂时可能出现的配对形式包括\nA. 三价体和单价体\nB. 二价体和单价体\nC. 三价体、二价体和单价体\nD. 三价体和四价体" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_31", "conversations": [ { "from": "human", "value": "F1产生杂种优势的遗传基础是\nA. 基因型杂合一致\nB. 表现型纯合一致\nC. 基因型纯合一致\nD. 表现型杂合一致" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_32", "conversations": [ { "from": "human", "value": "个体的基因型是XXXY,它的表现型是\nA. 雄性或雌性\nB. 雌性\nC. 雄性\nD. 雌雄同体" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_33", "conversations": [ { "from": "human", "value": "下面是对数量性状特点的几点描述,其中哪一个是错误的\nA. 也受遗传的制约,但本质上与孟德尔式遗传完全不同\nB. 易受环境的影响而变异\nC. 受许多基因共同作用的结果,其中每个基因的单独作用较小\nD. 界限不分明,不易分类,表现连续变异" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_34", "conversations": [ { "from": "human", "value": "关于基因组文库中的克隆片段,以下正确的是\nA. 以上都不对\nB. 包括了所有的基因信息\nC. 只包括了表达基因的信息\nD. 不带有内含子序列" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_35", "conversations": [ { "from": "human", "value": "关于病毒遗传物质的叙述,下列哪一项正确的\nA. 都是RNA\nB. 同时存在DNA和RNA\nC. 都是DNA\nD. 有的是DNA,有的是RNA" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_36", "conversations": [ { "from": "human", "value": "豌豆中,高茎(T)对矮茎(t)为显性,黄子叶(Y)对绿子叶(y)为显性,假定这两个位点的遗传符合孟德尔第二定律,若把真实遗传的高茎黄子叶个体与矮茎绿子叶个体进行杂交,F2代中矮茎黄子叶的概率是\nA. 1/16 \nB. 3/16\nC. 1/16\nD. 1/8" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_37", "conversations": [ { "from": "human", "value": "6如果用三点测验法对三对连锁基因定位,必须进行\nA. 一次杂交和一次测交\nB. 杂交、自交和回交各一次\nC. 两次杂交和两次测交\nD. 三次杂交和三次测交" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_38", "conversations": [ { "from": "human", "value": "紫茉莉绿白斑遗传实验中,绿色、白色、绿白斑三种枝条上的花粉分别给绿色枝条上的花授粉时,杂种植株表现为\nA. 绿白斑\nB. 绿色\nC. 绿色、白色、绿白斑\nD. 白色" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_39", "conversations": [ { "from": "human", "value": "遗传信息传递的中心法则表明\nA. 细胞内遗传信息传递是单向的\nB. 细胞内RNA分子只能由DNA转录产生\nC. 细胞内蛋白质只能由RNA指导合成\nD. 细胞内DNA只有通过自我复制产生" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_40", "conversations": [ { "from": "human", "value": "受体酪氨酸激酶\nA. 配体结合后不发生二聚化\nB. 有一个胞质激酶区\nC. 其配体一般是甾类物质\nD. 配体结合胞质区使受体构型发生改变" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_41", "conversations": [ { "from": "human", "value": "同源四倍体往往比其二倍体原始种\nA. 开花早而多\nB. 生长发育快\nC. 结实率高\nD. 气孔大" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_42", "conversations": [ { "from": "human", "value": "唐氏(Turner)综合症人群的染色体为非整倍体,因为\nA. 有一整套额外的染色体\nB. 缺少一条染色体\nC. 第22条染色多了一个拷贝\nD. 有一条额外的X染色体" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_43", "conversations": [ { "from": "human", "value": "按分子遗传学的观点,突变的最小单位是\nA. 基因\nB. 顺反子\nC. 突变子\nD. 重组子" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_44", "conversations": [ { "from": "human", "value": "以下哪一类型的细菌遗传交换,必需以直接的细胞与细胞的接触为前提\nA. 转化\nB. 以上所有\nC. 接合\nD. 转导" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_45", "conversations": [ { "from": "human", "value": "在核质互作雄性不育型中,具有S(rr)遗传组成的品系是\nA. 保持系\nB. 不育系\nC. 全恢复系\nD. 半恢复系" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_46", "conversations": [ { "from": "human", "value": "通过下列哪种途径不能得到同源三倍体\nA. 未减数的二倍性雌配子和正常雄配子结合\nB. 两个精核进入同一胚囊和一个卵核结合\nC. 用秋水仙素处理二倍体\nD. 用同源四倍体为母本,与同一物种的二倍体杂交" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_47", "conversations": [ { "from": "human", "value": "反转录酶催化的过程是\nA. DNA→RNA\nB. RNA→DNA\nC. tRNA→mRNA\nD. rRNA→DNA" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_48", "conversations": [ { "from": "human", "value": "关于p53 基因,下列哪项描述不对\nA. 其表达产物功能可以被某些病毒蛋白抑制\nB. 编码一个转录因子\nC. 是一个抑癌基因\nD. 一般不发生突变" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_49", "conversations": [ { "from": "human", "value": "下列那种叙述不是细胞质遗传所特有的\nA. 细胞质遗传属母性遗传因此也称母性影响\nB. 遗传方式是非孟德尔遗传\nC. 不能在染色体上进行基因定位\nD. F1代的正反交结果不同" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_50", "conversations": [ { "from": "human", "value": "栽培大麦(2n=14)有丝分裂中期细胞内具有的染色单体数目为\nA. 28条\nB. 14条\nC. 7条\nD. 42条" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_51", "conversations": [ { "from": "human", "value": "如果用三点测验法进行3对连锁基因定位,需要进行\nA. 三次杂交和三次测交\nB. 一次杂交,一次自交和一次测交\nC. 两次杂交和两次测交\nD. 一次杂交和一次测交" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_52", "conversations": [ { "from": "human", "value": "利用花粉直感现象测定基因突变频率时,在亲本配置上\nA. 用纯合显性个体作母本\nB. 无需考虑母本遗传组成\nC. 用纯合隐性个体母本\nD. 用杂合体作母本" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_53", "conversations": [ { "from": "human", "value": "下列哪些关于 ras 说法是不正确的\nA. 基因突变可能在结构上活化 Ras,从而不水解 GTP\nB. 基因常发生突变,突变能在 V-ras 或 C-ras 发生\nC. ras 蛋白直接结合到胞外配体上\nD. 有时可能通过野生型 Ras 蛋白的过量表达而引起肿瘤发生" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_54", "conversations": [ { "from": "human", "value": "雄性不育系(ms/ms)×杂合可育株(Ms/ms)的F1\nA. 全为不育株\nB. 全为可育株\nC. 可育株和不育株各占1/2\nD. 3/4为可育株,1/4为不育株" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_55", "conversations": [ { "from": "human", "value": "已知栽培大麦的体细胞有7对同源染色体,则有丝分裂中期细胞内有染色体\nA. 14条\nB. 42条\nC. 28条\nD. 7条" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_56", "conversations": [ { "from": "human", "value": "重复杂合体在减数分裂配对时形成的重复圈中包含\nA. 两条重复染色体\nB. 一条重复染色体\nC. 两条正常染色体\nD. 一条正常染色体" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_57", "conversations": [ { "from": "human", "value": "研究人类性状遗传较好的方法是\nA. 进行x2卡平方检验\nB. 以上所有方法\nC. 构建和评估家族系谱图\nD. 进行可控的交配实验" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_58", "conversations": [ { "from": "human", "value": "光颖、抗锈、无芒(ppRRAA)小麦和毛颖、感锈、有芒(PPrraa)小麦杂交,已知3对基因互不连锁。试问要从F2中选出270株毛颖、抗锈、无芒个体,F2至少要种植\nA. 810株\nB. 7290株\nC. 270株\nD. 640株" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_59", "conversations": [ { "from": "human", "value": "生物的主要遗传物质是\nA. RNA\nB. 酶\nC. 蛋白质\nD. DNA" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_60", "conversations": [ { "from": "human", "value": "在某些条件下,X染色体的某些部位趋向于断裂。具有这种症状的综合症是\nA. 特纳综合症\nB. 脆性X染色体病\nC. 普来德-威利综合征\nD. 猫叫综合征" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_61", "conversations": [ { "from": "human", "value": "在杂交实验中,亲代的成员间进行杂交产生的后代被称为\nA. F代\nB. F2代\nC. 亲代\nD. F1代" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_62", "conversations": [ { "from": "human", "value": "父亲正常,母亲患红绿色盲,生了一个性染色体为XXY的不色盲儿子。该儿子多出的一条染色体来自\nA. 卵细胞\nB. 精子和卵细胞\nC. 精子或卵细胞\nD. 精子" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_63", "conversations": [ { "from": "human", "value": "基因型为XXY的群体,它的表型是\nA. 雌性\nB. 雄性\nC. 雌性或雄性\nD. 雌雄同体" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_64", "conversations": [ { "from": "human", "value": "遗传漂变最易发生在\nA. 随机交配的大群体中\nB. 基因频率为1的群体中\nC. 基因型频率为1的群体中\nD. 数量很少的有限群体中" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_65", "conversations": [ { "from": "human", "value": "同源染色体的配对,发在减数分裂Ⅰ的\nA. 细线期\nB. 偶线期\nC. 双线期\nD. 粗线期" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_66", "conversations": [ { "from": "human", "value": "某个体发生了隐性突变,在自交后代中,突变性状的表现和检出突变纯合体分别是\nA. 第二代表现,第三代纯合\nB. 第二代表现,第二代纯合\nC. 第一代表现,第二代纯合\nD. 第一代表现,第一代纯合" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_67", "conversations": [ { "from": "human", "value": "遗传漂变指的是\nA. 基因频率的降低\nB. 基因频率在小群体中的随机增减\nC. 基因由A变为a或由a变为A\nD. 基因频率的增加" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_68", "conversations": [ { "from": "human", "value": "DNA半保留复制的含义是新合成的DNA分子中\nA. 保留亲代DNA分子一条单链\nB. 保留亲代DNA分子一半的核糖\nC. 保留亲代DNA分子半条双链\nD. 保留亲代DNA分子一半的碱基" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_69", "conversations": [ { "from": "human", "value": "在人类中,褐色眼(B)对蓝色眼(b)为显性性状。一个褐色眼的男性与一个褐色眼的女性结婚,他们生了3个蓝色眼的女儿。决定父亲和母亲眼睛颜色的基因型分别是\nA. Bb和Bb\nB. Bb和bb\nC. BB和BB\nD. BB和Bb" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_70", "conversations": [ { "from": "human", "value": "某3个连锁基因杂种的亲本型配子是BDE和bde,双交换型配子是bdE各BDe。由此可知,3个基因在染色体上的排列顺序是\nA. EDB\nB. DBE\nC. BDE\nD. BED" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_71", "conversations": [ { "from": "human", "value": "关于连锁基因的说法,正确的是\nA. 在同一个细胞核里\nB. 通过着丝粒连接的\nC. 仅在性染色体上出现\nD. 出现在同一条染色体上" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_72", "conversations": [ { "from": "human", "value": "果蝇生殖细胞的细胞核内有几条染色体\nA. 4\nB. 8\nC. 12\nD. 2" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_73", "conversations": [ { "from": "human", "value": "下列几种基因突变中,对生物个体影响最大的是\nA. 错义突变\nB. 同义突变\nC. 移码突变\nD. 中性突变" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_74", "conversations": [ { "from": "human", "value": "决定狭义遗传率大小的因子是\nA. 平均数与加性方差\nB. 遗传方差与表现型方差\nC. 平均数与表现型方差\nD. 加性方差与表现型方差" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_75", "conversations": [ { "from": "human", "value": "一只大熊猫的不同组织细胞中,所含的DNA和RNA是\nA. DNA相同,RNA不相同\nB. DNA不相同,RNA相同\nC. DNA相同,RNA也相同\nD. DNA不相同,RNA也不相同" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_76", "conversations": [ { "from": "human", "value": "缺失定位是利用缺失的哪种遗传效应确定某些基因在染色体上的位置\nA. 降低重组率\nB. 半不育\nC. 假显性现象\nD. 部分不育" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_77", "conversations": [ { "from": "human", "value": "一个具有三对杂合基因的杂种自交,子代群体的应有基因型\nA. 27种\nB. 8种\nC. 16种\nD. 9种" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_78", "conversations": [ { "from": "human", "value": "已知两对基因独立遗传,F2代分离比例为15:1。则两对基因间存在\nA. 互补作用\nB. 积加作用\nC. 抑制作用\nD. 重叠作用" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_79", "conversations": [ { "from": "human", "value": "下面哪个家庭可能产生O血型的小孩\nA. AB型父亲和A型母亲\nB. AB血型父亲和O型母亲\nC. A血型夫妇\nD. AB型父亲和B型母亲" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_80", "conversations": [ { "from": "human", "value": "两对非等位基因连锁,对其杂种的100个孢母细胞进行检查,发现有15个孢母细胞在两基因相连区段内发生了交换,则其交换值为\nA. 30%\nB. 15%\nC. 7.50%\nD. 5%" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_81", "conversations": [ { "from": "human", "value": "染色体的某一部位增加了自己的某一区段的染色体结构变异称为\nA. 易位\nB. 缺失\nC. 倒位\nD. 重复" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_82", "conversations": [ { "from": "human", "value": "一条染色体上的一个区域与同一条染色体上的另一区域发生交换,这种畸变属于什么类型\nA. 倒位\nB. 重复\nC. 缺失\nD. 转换" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_83", "conversations": [ { "from": "human", "value": "人类白化症是常染色体单基因隐性遗传病,这意味着白化症患者的双亲必须\nA. 双亲都是白化症患者\nB. 双亲之一是携携带者\nC. 双亲都是纯合体\nD. 双亲都是致病基因携带者" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_84", "conversations": [ { "from": "human", "value": "用两个玉米自交系进行杂交,在后代中出现某一性状极端个体的频率为1/256,推测控制该性状的基因对数可能为\nA. 3\nB. 2\nC. 4\nD. 5" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_85", "conversations": [ { "from": "human", "value": "魏斯曼(A.Weismann)代表性的遗传学说是\nA. 种质连续论\nB. 获得性状遗传\nC. 泛生论\nD. 突变论" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_86", "conversations": [ { "from": "human", "value": "紫外线诱发生物突变最有效波长和DNA最大吸收紫外线光谱分别是\nA. 280nm与280nm\nB. 260nm与260nm\nC. 280nm与260nm\nD. 260nm与280nm" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_87", "conversations": [ { "from": "human", "value": "根据人类血型遗传知识,可以鉴别亲子间的血缘关系。已知父母中之一方AB血型,另一方为O血型,其子女的血型可能是\nA. O型\nB. A型或B型\nC. A型\nD. AB型" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_88", "conversations": [ { "from": "human", "value": "被遗传学家作为研究对象的理想生物,应具有哪些特征?\nA. 以上均是理想的特征\nB. 相对较短的生命周期\nC. 种群中的各个个体的遗传差异较大\nD. 每次交配产生大量的子代" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_89", "conversations": [ { "from": "human", "value": "最早根据杂交实验的结果建立起遗传学基本原理的科学家是\nA. Barbara McClintock\nB. Aristotle\nC. James D.Watson\nD. Gregor Mendel" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_90", "conversations": [ { "from": "human", "value": "最深红粒的小麦和白粒小麦杂交,F1为中间类型的红粒,F2中大约有1/64为白粒,其余为由深至浅的红色籽粒。由此可以判断控制该性状的基因有\nA. 1对\nB. 3对\nC. 4对\nD. 2对" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_91", "conversations": [ { "from": "human", "value": "在核—质互作雄性不育中,S(rfrf)雌性×N(rfrf)雄性交配,后代基因型及育性为\nA. S(rfrf),雄性可育\nB. N(rfrf),雄性不育\nC. N(rfrf),雄性可育\nD. S(rfrf),雄性不育" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_92", "conversations": [ { "from": "human", "value": "一个同源三倍体的单式杂合体(Aaa),如果按染色体随机分离,不考虑配子育性等其它因素的影响,形成a配子的比例为\nA. 1/3\nB. 1/12\nC. 1/6\nD. 1/4" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_93", "conversations": [ { "from": "human", "value": "对一个生物个体细胞有丝分裂进行细胞学检查,发现后期出现染色体桥,表明该生物个体可能含有\nA. 相互易位\nB. 臂间倒位\nC. 顶端缺失\nD. 臂内倒位" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_94", "conversations": [ { "from": "human", "value": "突变的重演性是\nA. 显性基因突变为隐性基因或隐性基因突变为显性基因\nB. 同一突变可以在同一个体的不同基因上多次发生\nC. 同一突变可以在同种生物的不同个体上多次发生\nD. 同一基因能多次重复产生一种突变" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_95", "conversations": [ { "from": "human", "value": "真核基因常常断裂,这\nA. 意味着初始转录子不需要先加工后才能被翻译为蛋白质\nB. 表明编码的外显子被非编码的内含子隔开\nC. 提示真核DNA是线性的,并分散在各个染色体中。因此基因可能一部分在一条染色体上,而另一部分在另一条染色体上\nD. 反映了真核 mRNA 是多顺反子的事实" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_96", "conversations": [ { "from": "human", "value": "连锁遗传规律适用于\nA. 不同染色体上的非等位基因间\nB. 同一染色体上的等位基因间\nC. 不同染色体上的等位基因间\nD. 同一染色体上的非等位基因间" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_97", "conversations": [ { "from": "human", "value": "高等植物的10个花粉母细胞可以形成40个\nA. 花粉粒\nB. 卵细胞\nC. 胚囊\nD. 精核" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_98", "conversations": [ { "from": "human", "value": "细胞分裂时,细胞质中的细胞器分配不均等,所以由叶绿体、线粒体上的基因决定的性状,具有不同于染色体上的基因决定的性状的遗传规律。例如\nA. 人的ABO血型\nB. 水稻的有芒与无芒\nC. 紫茉莉的绿枝条与白枝条\nD. 玉米的甜粒与非甜粒" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_99", "conversations": [ { "from": "human", "value": "细胞减数分裂过程中,非姊妹染色单体的相互交换主要发生在\nA. 细线期\nB. 双线期\nC. 粗线期\nD. 偶线期" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_100", "conversations": [ { "from": "human", "value": "人类的血管性假血友病基因位于第12号染色体上,目前该病有20多种类型,这表明基因突变具有\nA. 可逆性\nB. 重复性\nC. 随机性\nD. 多方向性" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_101", "conversations": [ { "from": "human", "value": "在下列各种基因型中,哪一种能产生8种类型配子\nA. AABbddEe\nB. aaBbEe\nC. AaBBDdEe\nD. DdHhee" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_102", "conversations": [ { "from": "human", "value": "一对夫妻都正常,他们的父母也正常,妻子的弟弟是色盲。请你预测,他们的儿子是色盲的几率是\nA. /1/8\nB. 1/2\nC. 1/4\nD. 1" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_103", "conversations": [ { "from": "human", "value": "受一对基因控制的相对性状,在完全显性情况下,杂种F2代表现型的分离比例为\nA. 1:1\nB. 2:1\nC. 1:2:1\nD. 3:1" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_104", "conversations": [ { "from": "human", "value": "要使两对基因杂合体自交后代群体纯合率达到96%以上,至少应该连续自交\nA. 7代\nB. 4代\nC. 5代\nD. 6代" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_105", "conversations": [ { "from": "human", "value": "很多科学家认为,多基因家族(比如,珠蛋白基因)的进化是由于以下哪一种遗传重组的结果\nA. 倒位\nB. 重复\nC. 易位\nD. 缺失" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_106", "conversations": [ { "from": "human", "value": "豌豆籽粒黄色对绿色为显性,圆粒对皱粒为显性,红花对白花为显性。以黄色、圆粒、红花亲本与绿色、皱粒、白花亲本杂交(YYRRCC×yyrrcc),试问F2代中基因型为YyRRCc的个体比率为\nA. 1/64\nB. 1/16\nC. 1/8\nD. 1/32" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_107", "conversations": [ { "from": "human", "value": "用红花纯合体与白花纯合体杂交,杂种F1代全部为红花,因此红花为\nA. 显性性状\nB. 质量性状\nC. 单位性状\nD. 隐性性状" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_108", "conversations": [ { "from": "human", "value": "已知普通小麦2n=6x=42=AABBDD,它的每个染色体组含有的染色体\nA. 21条\nB. 6条\nC. 7条\nD. 2条" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_109", "conversations": [ { "from": "human", "value": "细胞与组织的特异性取决于\nA. 染色质的状态\nB. 特异的 DNA 序列\nC. 特异的基因的表达\nD. 组蛋白与 DNA 的相互作用" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_110", "conversations": [ { "from": "human", "value": "下面是对基因型和表现型关系的叙述,其中错误的是\nA. 在相同生活环境中,基因型相同,表现型一定相同\nB. 基因型相同,表现型一定相同\nC. 在相同生活环境中,表现型相同,基因型不一定相同\nD. 表现型相同,基因型不一定相同" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_111", "conversations": [ { "from": "human", "value": "如果连续多代回交,则回交后代基因型将趋于\nA. 杂种F1\nB. 母本\nC. 非轮回亲本\nD. 轮回亲本" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_112", "conversations": [ { "from": "human", "value": "利用细胞质核互作雄性不育生产杂交种,必须采用三系配套。所谓“三系”是指\nA. 不育系、自交系和恢复系\nB. 不育系、纯系和恢复系\nC. 不育系、自交系和保持系\nD. 不育系、保持系和恢复系" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_113", "conversations": [ { "from": "human", "value": "我国婚姻法规定禁止近亲结婚的理论依据是\nA. 近亲结婚违反社会的伦理道德\nB. 近亲结婚后代患遗传病的机会增大\nC. 近亲结婚必然使后代患遗传病\nD. 人类遗传病都是由隐性基因控制的" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_114", "conversations": [ { "from": "human", "value": "突变时一种嘌呤变成另一种嘌呤,或一种嘧啶变成另一种嘧啶称为\nA. 颠换\nB. 转换\nC. 交换\nD. 转化" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_115", "conversations": [ { "from": "human", "value": "下列有关C质基因叙说中,哪一条是不正确的\nA. 细胞质基因通过雄配子传递\nB. 细胞质基因也能发生突变,并能把产生的变异传给后代,能引起核基因突变的因素,也能诱发细胞质基因突变\nC. 细胞质质基因也是按半保留方式进行自我复制,并能转录mRNA,最后在核糖体合成蛋白质\nD. 细胞质基因在细胞分裂时的分配是随机的,在子代的分布是不均等的" } ], "eval": { "answer": "C", "type": "genetics" } }, { "id": "cmmlu_116", "conversations": [ { "from": "human", "value": "广义遗传率是一个比率,其分子为遗传方差,分母为\nA. 表型方差\nB. 上位性方差\nC. 显性方差\nD. 加性方差" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_117", "conversations": [ { "from": "human", "value": "关于遗传与变异的关系,下列表述正确的是\nA. 遗传和变异都是绝对的\nB. 遗传是相对的,而变异是绝对的\nC. 遗传是绝对的,而变异是相对的\nD. 遗传和变异都是相对的" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_118", "conversations": [ { "from": "human", "value": "如果群体中男性红绿色盲患者的表现型频率为0.08,且群体处于平衡状态。那么,女性表现正常但为红绿色盲携带者的频率是女性患者频率的\nA. 10倍\nB. 23倍\nC. 5倍\nD. 15倍" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_119", "conversations": [ { "from": "human", "value": "关于基因突变的叙述,错误的是\nA. 突变频率很低,但是多方向的\nB. 表现出亲代所没有的表现型叫基因突变\nC. 基因突变能够产生新的基因\nD. DNA分子中有遗传效应的片段中碱基发生变化的是基因突变" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_120", "conversations": [ { "from": "human", "value": "对于等位基因A和a,下列群体处于遗传平衡\nA. 49AA:14Aa:9aa\nB. 50AA:50aa\nC. 100AA:0aa\nD. 49AA:42Aa:9aa" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_121", "conversations": [ { "from": "human", "value": "普通小麦为异源六倍体作物(2n=6x=42),它可以形成单体\nA. 21种\nB. 42种\nC. 28种\nD. 7种" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_122", "conversations": [ { "from": "human", "value": "小麦高秆(D)对矮秆(d)为显性,抗锈病(R)对感锈病(r)为显性,现以高秆抗锈×矮秆感锈,杂交子代分离出15株高秆抗锈,17株高秆感锈,14株矮秆抗锈,16株矮秆感锈,可知其亲本基因型为=\nA. Ddrr×ddRr\nB. DdRr×ddrr\nC. DdRR×ddrr\nD. DDRr×ddrr" } ], "eval": { "answer": "B", "type": "genetics" } }, { "id": "cmmlu_123", "conversations": [ { "from": "human", "value": "紫茉莉花斑性状受细胞质基因控制,用花斑枝条上的花自交,后代\nA. 有白色、绿色、花斑3种\nB. 全部为花斑\nC. 全部为绿色\nD. 全部为白色" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_124", "conversations": [ { "from": "human", "value": "减数分裂前期I可被分为5个时期,依次是\nA. 终变期→细线期→粗线期→偶线期→双线期\nB. 偶线期→双线期→细线期→终变期→粗线期\nC. 细线期→粗线期→偶线期→双线期→终变期\nD. 细线期→偶线期→粗线期→双线期→终变期" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_125", "conversations": [ { "from": "human", "value": "为了证明DNA时遗传物质,Hershey和Chase所使用的实验生物是\nA. 大肠杆菌\nB. 酿酒酵母\nC. 黑腹果蝇\nD. 噬菌体" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_126", "conversations": [ { "from": "human", "value": "在细胞分裂末期,发生的是\nA. 染色体解螺旋成为染色质\nB. 染色质卷缩成为染色体\nC. 染色质解螺旋成为染色体\nD. 染色体卷缩成为染色质" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_127", "conversations": [ { "from": "human", "value": "在豌豆杂交实验中,黄色饱满对绿色皱缩为显性,基因型均为SsYy的F1代间进行杂交产生F2代,在F2代中,黄色饱满的种子所占的比例是多少\nA. 3/16\nB. 1/16\nC. 3/4\nD. 9/16" } ], "eval": { "answer": "D", "type": "genetics" } }, { "id": "cmmlu_128", "conversations": [ { "from": "human", "value": "以下生物中,环境因素决定性别的是\nA. 乌龟\nB. 鸟类\nC. 蝴蝶\nD. 人类" } ], "eval": { "answer": "A", "type": "genetics" } }, { "id": "cmmlu_129", "conversations": [ { "from": "human", "value": "单体减数分裂能够产生n和n-1两种四分体,其可育花粉粒中\nA. n>n-1\nB. n2cm\nC. 胆囊腺瘤\nD. “瓷化”胆囊" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1277", "conversations": [ { "from": "human", "value": "在恶性肿瘤的鉴别诊断中,免疫组织化学染色角蛋白阳性,波形蛋白阴性,该肿瘤最可能的诊断是\nA. 神经内分泌肿瘤\nB. 肉瘤\nC. 癌\nD. 黑色素瘤" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1278", "conversations": [ { "from": "human", "value": "对中国人直肠癌,直肠指诊的发现率是\nA. 40%\nB. 60%\nC. 70%\nD. 50%" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1279", "conversations": [ { "from": "human", "value": "关于肾脏重吸收和分泌 $\\mathrm{K}^{+}$的叙述, 正确的是\nA. 远端肾小管分泌 $K^{+}$, 但不重吸收 $K^{+}$\nB. 近端肾小管重吸收 $25 \\% \\sim 30 \\%$ 的 $\\mathrm{K}^{+}$\nC. 远曲小管分泌 $\\mathrm{K}^{+}$受醛固酮调节\nD. 髓袢重吸收 $65 \\% \\sim 70 \\%$ 的 $\\mathrm{K}^{+}$" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1280", "conversations": [ { "from": "human", "value": "关于气体在血液中运输的叙述, 错误的是\nA. $\\mathrm{CO}_2$ 主要以 $\\mathrm{HCO}_3^{-}$形式运输\nB. $\\mathrm{O}_2$ 和 $\\mathrm{Hb}$ 结合反应快并需酶催化\nC. $\\mathrm{CO}_2$ 和 $\\mathrm{O}_2$ 都有物理溶解形式\nD. $\\mathrm{CO}_2$ 和 $\\mathrm{Hb}$ 结合不需要酶的催化" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1281", "conversations": [ { "from": "human", "value": "唾液淀粉酶发挥作用的最适 pH是\nA. 6.0~7.0\nB. 4.0~5.0\nC. 8.0~9.0\nD. 2.0~3.0" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1282", "conversations": [ { "from": "human", "value": "胃和小肠都具有的运动形式是\nA. 紧张性收缩\nB. 容受性舒张\nC. 分节运动\nD. 袋状往返运动" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1283", "conversations": [ { "from": "human", "value": "窦房结能成为心脏正常起搏点的原因是\nA. 阈电位为-40mV\nB. 静息电位仅为一70mV\nC. 4期去极化速率快\nD. 0期去极化速度快" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1284", "conversations": [ { "from": "human", "value": "当睫状肌收缩时, 可引起的生理效应是\nA. 角膜曲度增加\nB. 晶状体曲度增加\nC. 瞳孔增大\nD. 睫状小带紧张性增加" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1285", "conversations": [ { "from": "human", "value": "能够逆向转运胆固醇到肝的脂蛋白是\nA. CM\nB. LDL\nC. VLDL\nD. HDL" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1286", "conversations": [ { "from": "human", "value": "镜下坏死组织结构的轮廓消失,呈现一片嗜酸性颗粒状物,其坏死类型是\nA. 凝固性坏死\nB. 干酪样坏死\nC. 液化性坏死\nD. 脂肪坏死" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1287", "conversations": [ { "from": "human", "value": "男性,60 岁。反复咳喘40 余年,活动后气短 10 余年,间断双下肢水肿5 年,加重1天人院。吸烟史40 年。查体:嗜睡,口唇发,颈静脉怒张,桶状胸,双肺可闻及干湿啰音,心率110 次/分,心律整,肝肋下3.0cm,双下肢水肿。血气分析示pH 7.26,PaO2 45 mmHg,PaCO2 75 mmHg。经治疗后病情有好转,神志清醒。数日后出现烦躁,有时抽搐,血气分析 pH 7.49,PaO2 45mmHg,PaCO2 75mmHg,BE+15 mmol/L,上述情况最可能是\nA. 失代偿性代谢性碱中毒\nB. 呼吸性碱中毒合并代谢性碱中毒\nC. 失代偿性呼吸性酸中毒\nD. 呼吸性酸中毒合并代谢性碱中毒" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1288", "conversations": [ { "from": "human", "value": "女性,55 岁。10 天前行胃癌根治术,术后3 天拔除胃管开始进流食。3 天来进食后半小时出现右上腹胀痛,伴呕吐,吐出物为大量胆汁,吐后症状缓解。此患者最可能的诊断是\nA. 吻合口梗阻\nB. 慢性输入袢梗阻\nC. 急性输入袢梗阻\nD. 输出袢梗阻" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1289", "conversations": [ { "from": "human", "value": "男性,23岁。因乏力10天、牙龈出血伴皮肤淤斑4 天入院,既往体健。化验血 Hb 76 g/L,WBC 25X10^9/L,Plt 29X10^9/L,骨髓增生明显活跃,原始细胞占60%,POX染色(-),PAS染色(+)成块,NSE 染色(-)。提示该患者预后差的染色体异常是\nA. t(16;16)\nB. t(9;22)\nC. t(8;21)\nD. t(15;17)" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1290", "conversations": [ { "from": "human", "value": "男性,50岁。胃溃疡病史 10 年,近2个月患者腹痛加重,失去规律,经多种药物治疗无效体重下降。查体:浅表淋巴结无肿大,腹平软,上腹部有压痛。根据诊断,最佳的处理方法是\nA. 手术治疗\nB. 质子泵抑制剂治疗\nC. 根除幽门螺杆菌\nD. 胃黏膜保护剂治疗" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1291", "conversations": [ { "from": "human", "value": "最常见的原发性恶性骨肿瘤是\nA. 骨肉瘤\nB. 骨纤维肉瘤\nC. 尤文肉瘤\nD. 软骨肉瘤" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1292", "conversations": [ { "from": "human", "value": "女性,62 岁。患高血压病 10 年,2个月来发作性心悸,心电图诊断为心房颤动,持续 5~24 小时自行恢复。4天前再次发作后持续不缓解来院。查体:BP 125/70 mmHg,心率90次/分对该患者正确的治疗措施是\nA. 立即采取电转复\nB. 经胸 UCG检查心房内无血栓即可转复\nC. 华法林抗凝3周后转复\nD. 立即静脉输注胺碘酮转复" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1293", "conversations": [ { "from": "human", "value": "下列治疗风湿病的非笛体抗炎药物中,胃肠道不良反应最小的是\nA. 炎痛喜康\nB. 双氯芬酸\nC. 萘普生\nD. 塞来昔布" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1294", "conversations": [ { "from": "human", "value": "男性,50岁。胃溃疡病史 10 年,近2个月患者腹痛加重,失去规律,经多种药物治疗无效体重下降。查体:浅表淋巴结无肿大,腹平软,上腹部有压痛。为明确诊断,最有意义的检查是\nA. 类隐血试验\nB. 胃镜检查\nC. 餐造影\nD. 血清胃泌素测定" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1295", "conversations": [ { "from": "human", "value": "下列涉及G蛋白耦联受体信号的主要途径是\nA. 雌激素-核受体信号途径\nB. 丝/苏氨酸激酶受体信号途径\nC. 酪氨酸激酶受体信号途径\nD. CAMP-PKA信号途径" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1296", "conversations": [ { "from": "human", "value": "下列情况中,能够使肺通气/血流比值增高最明显的是\nA. 支气管哮喘发作\nB. 肺水肿\nC. 肺纤维化形成\nD. 肺栓塞" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1297", "conversations": [ { "from": "human", "value": "原发性醛固酮增多症首选的治疗方法是\nA. 氨苯蝶啶\nB. 手术治疗\nC. 螺内醋\nD. 血管紧张素转换酶抑制剂" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1298", "conversations": [ { "from": "human", "value": "下列可以导致原癌基因激活的机制是\nA. p53蛋白诱导细胞凋亡\nB. 获得启动子\nC. 转录因子与RNA的结合\nD. 抑癌基因的过表达" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1299", "conversations": [ { "from": "human", "value": "颈椎病中发病率最高的类型是\nA. 交感型\nB. 神经根型\nC. 椎动脉型\nD. 脊髓型" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1300", "conversations": [ { "from": "human", "value": "腱器官传人冲动增加所引起的效应是\nA. 使梭外肌收缩增强\nB. 对同一肌肉的 $\\gamma$ 运动神经元起抑制作用\nC. 对同一肌肉的 $\\alpha$ 运动神经元起抑制作用\nD. 使梭内肌收缩增强" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1301", "conversations": [ { "from": "human", "value": "交感神经系统兴奋时,引起的生理效应是\nA. 瞳孔开大肌收缩\nB. 支气管平滑肌收缩\nC. 胃肠运动增强\nD. 促进胰岛素的分泌" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1302", "conversations": [ { "from": "human", "value": "肠梗阻患者不宜使用的麻醉药是\nA. 异氟烷\nB. 氧化亚氮\nC. 恩氟烷\nD. 七氟烷" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1303", "conversations": [ { "from": "human", "value": "血液流经肾小球时,促进原尿生成的直接动力是\nA. 肾小球毛细血管压\nB. 肾动脉压\nC. 血浆胶体渗透压\nD. 全身平均动脉压" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1304", "conversations": [ { "from": "human", "value": "下列疾病中,属于原发性心肌病范畴的是\nA. 围产期心肌病\nB. 自身免疫性心肌病\nC. 致心律失常型右室心肌病\nD. 酒精性心肌病" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1305", "conversations": [ { "from": "human", "value": "目前外科治疗肝硬化门静脉高压症主要目的是\nA. 改善肝功能\nB. 解除脾功能亢进\nC. 预防和治疗曲张静脉出血\nD. 减少腹水形成" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1306", "conversations": [ { "from": "human", "value": "男性,45 岁。间断双下肢水肿伴蛋白尿 10 年,乏力、纳差、恶心1周,刷牙时牙龈出血伴皮肤碰后发青3天人院。人院时测血压 150/90 mmHg,化验血Hb 80 g/L, WBC 6.4X10^9/L, Plt 192*10^9/L。尿蛋白(++),尿比重 1.010,尿糖(±),偶见颗粒管型。血 Cr 707 $\\mu$mol/L。该患者血肌酥升高的最可能病因是\nA. 高血压病肾损害\nB. 慢性肾小球肾炎\nC. 糖尿病肾病\nD. 肾病综合征" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1307", "conversations": [ { "from": "human", "value": "神经冲动到达肌接头前膜时,引起开放的通道是\nA. K+通道\nB. Ca2+通道\nC. CI-通道\nD. Na+通道" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1308", "conversations": [ { "from": "human", "value": "目前基因治疗主要采用的方法是\nA. 提高患者的DNA合成能力\nB. 调整患者 DNA 修复的酶类\nC. 对患者缺陷基因进行重组\nD. 将表达目的基因的细胞输入患者体内" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1309", "conversations": [ { "from": "human", "value": "肠结核溃疡的形态特征取决于\nA. 肠黏膜淋巴管的走向\nB. 肠黏膜淋巴小结的形态\nC. 肠黏膜血管的走向\nD. 肠黏膜的皱壁形态" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1310", "conversations": [ { "from": "human", "value": "红细胞悬浮稳定性降低的原因是\nA. 血浆白蛋白增多\nB. 红细胞脆性增加\nC. 红细胞叠连加速\nD. 血浆纤维蛋白原减少" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1311", "conversations": [ { "from": "human", "value": "下列原癌基因中,以点突变为主要激活方式成为癌基因的是\nA. ras\nB. myc\nC. cyclinD1l\nD. PDGF" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1312", "conversations": [ { "from": "human", "value": "对广泛 DNA 损伤进行紧急、粗糙高错误率的修复方式是\nA. SOS修复\nB. 切除修复\nC. 光修复\nD. 重组修复" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1313", "conversations": [ { "from": "human", "value": "甲状腺激素的化学本质是\nA. 肤类\nB. 类固醇类\nC. 胺类\nD. 糖蛋白" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1314", "conversations": [ { "from": "human", "value": "在伤口愈合时,对增加伤口愈合强度起主要作用的因素是\nA. 良好的血供\nB. 毛细血管\nC. 细胞外基质\nD. 成纤维细胞" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1315", "conversations": [ { "from": "human", "value": "急性非 ST段抬高心肌梗死治疗时不宜采用溶栓疗法的主要原因是\nA. 病情危急程度较轻\nB. 冠脉阻塞不完全\nC. 冠脉痉挛是发病的主要因素\nD. 冠脉内主要是白血栓" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1316", "conversations": [ { "from": "human", "value": "下列急性胸部损伤中,对生命威胁最大的是\nA. 闭合性气胸\nB. 开放性气胸\nC. 张力性气胸\nD. 血气胸" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1317", "conversations": [ { "from": "human", "value": "原核生物基因组的特点是\nA. 转录产物是多顺反子\nB. 线粒体 DNA为环状结构\nC. 核小体是其基本组成单位\nD. 基因的不连续性" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1318", "conversations": [ { "from": "human", "value": "雌激素和孕激素作用的相同点是\nA. 促进乳腺导管增生和延长\nB. 减少宫颈黏液的分泌\nC. 使子宫输卵管平滑肌活动减弱\nD. 使子宫内膜变厚" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1319", "conversations": [ { "from": "human", "value": "在血吸虫病中,给患者造成最大危害的因素是\nA. 虫卵\nB. 尾蜘\nC. 童虫\nD. 成虫" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1320", "conversations": [ { "from": "human", "value": "一例甲状腺肿瘤,呈浸润性生长。镜下见癌细胞呈滤泡状排列,细胞核呈毛玻璃状,核重叠核沟明显。应诊断为\nA. 滤泡状癌\nB. 乳头状癌\nC. 髓样癌\nD. 未分化癌" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1321", "conversations": [ { "from": "human", "value": "伴有血流动力学紊乱的大面积肺栓塞的栓治疗时间窗是\nA. <=3天\nB. <=7天\nC. <=30天\nD. <=14天" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1322", "conversations": [ { "from": "human", "value": "声波由鼓膜经听骨链传向卵圆窗时出现的振动变化是\nA. 幅度减小, 压强减小\nB. 幅度增大, 压强增大\nC. 幅度增大, 压强减小\nD. 幅度减小, 压强增大" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1323", "conversations": [ { "from": "human", "value": "男性,50岁。体重60 kg,行胃癌根治术,其术后每日需要最合适的热量是\nA. 1500 kcal\nB. 1800 kcal\nC. 1950 kcal\nD. 1650 kcal" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1324", "conversations": [ { "from": "human", "value": "男性,82岁。体型较消瘦,3 个月前口服葡萄糖耐量试验诊为糖尿病,平时空腹血糖6.5~7.2mmol/L,餐后2小时血糖12~14 mmol/L,有冠心病心衰病史10年,结肠癌术后 5年。为控制血糖,应首选的药物是\nA. 胰岛素\nB. 那格列奈\nC. 阿卡波糖\nD. 二甲双肌" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1325", "conversations": [ { "from": "human", "value": "男性,23岁。因乏力10天、牙龈出血伴皮肤淤斑4 天入院,既往体健。化验血 Hb 76 g/L,WBC 25X10^9/L,Plt 29X10^9/L,骨髓增生明显活跃,原始细胞占60%,POX染色(-),PAS染色(+)成块,NSE 染色(-)。该患者首选的治疗方案是\nA. COP\nB. ABVD\nC. DVLP\nD. DA" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1326", "conversations": [ { "from": "human", "value": "下列物质代谢调节方式中,属于快速调节的是\nA. 酶的别构调节\nB. 酶蛋白的降解作用\nC. 酶蛋白的诱导合成\nD. 产物对酶合成的阻遏作用" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1327", "conversations": [ { "from": "human", "value": "椎管内阻滞麻醉时,最先受到阻滞的神经是\nA. 运动神经\nB. 交感神经\nC. 副交感神经\nD. 感觉神经" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1328", "conversations": [ { "from": "human", "value": "下列临床上常见出现脉压减小的病变,不正确的是\nA. 主动脉瓣狭窄\nB. 重度二尖瓣关闭不全\nC. 心包积液\nD. 心力衰竭" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1329", "conversations": [ { "from": "human", "value": "下列关于动作电位的描述,正确的是\nA. 刺激强度达到闽值后,再增加刺激强度能使动作电位幅度增大\nB. 刺激强度小于闯值时,出现低幅度动作电位\nC. 传导距离较长时,动作电位的大小不发生改变\nD. 动作电位一经产生,便可沿细胞膜做电紧张性扩布" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1330", "conversations": [ { "from": "human", "value": "诊断腹腔隔室综合征(abdominalcompartment syndrome)时膀胱内测得的压力应大于\nA. 20 mmHg\nB. 10 mmHg\nC. 25 mmHg\nD. 15 mmHg" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1331", "conversations": [ { "from": "human", "value": "在下列选项中,符合 IgA肾病镜下特征的病变是\nA. 肾小球内中性粒细胞浸润\nB. 肾小球毛细胞血管袢纤维素样坏死\nC. 肾小球系膜区细胞增生\nD. 肾小球内皮细胞增生" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1332", "conversations": [ { "from": "human", "value": "在临床上,约有 40%的滤泡型淋巴瘤会转化为弥漫大 B细胞型淋巴瘤,其最常见的分子机制是\nA. bcr-abl融合基因形成\nB. ras基因突变\nC. p53基因突变\nD. myc基因扩增" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1333", "conversations": [ { "from": "human", "value": "心室肌收缩的后负荷是\nA. 快速射血期心室内压\nB. 减慢射血期心室内压\nC. 等容收缩期初心室内压\nD. 大动脉血压" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1334", "conversations": [ { "from": "human", "value": "关于二尖瓣狭窄心尖部舒张期杂音听诊特点的叙述,正确的是\nA. 向剑突方向传导\nB. 多为递增递减型\nC. 强度不受呼吸影响\nD. 为全舒张期" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1335", "conversations": [ { "from": "human", "value": "男性,80岁。因突发全腹剧痛8 小时来院,途中频繁呕吐,随后出现气急、喘憋。既往有房颤史。入院查体;P 95 次/分,R 36 次/分,BP 84/60 mmHg,急性病容,呼吸急促,两肺均可闻及哮鸣音及湿啰音,右侧为著,心率120 次/分,节律不整,腹部膨隆,全腹均有压痛,右侧更明显,轻度反跳痛、肌紧张,肠鸣音弱。化验 Hb 124 g/L,WBC 30X10/L,中性粒细胞90%。患者的下列拟诊中可排除的是\nA. 肠系膜上动脉栓塞\nB. 上消化道穿孔\nC. 急性重症胰腺炎\nD. 乙状结肠扭转" } ], "eval": { "answer": "D", "type": "college_medicine" } }, { "id": "cmmlu_1336", "conversations": [ { "from": "human", "value": "肝硬化失代偿期患者发生大呕血后出现的体征变化,正确的是\nA. 腹壁静脉曲张加重\nB. 腹水量明显减少\nC. 脾脏缩小\nD. 肝脏缩小" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1337", "conversations": [ { "from": "human", "value": "正常人体铁在消化道吸收的主要部位是\nA. 十二指肠\nB. 回肠\nC. 空肠下段\nD. 胃" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1338", "conversations": [ { "from": "human", "value": "男性,60 岁。反复咳喘40 余年,活动后气短 10 余年,间断双下肢水肿5 年,加重1天人院。吸烟史40 年。查体:嗜睡,口唇发,颈静脉怒张,桶状胸,双肺可闻及干湿啰音,心率110 次/分,心律整,肝肋下3.0cm,双下肢水肿。血气分析示pH 7.26,PaO2 45 mmHg,PaCO2 75 mmHg。经治疗后症状好转出院,出院后应采取的措施不包括\nA. 长期口服小剂量糖皮质激素\nB. 长期使用长效支气管舒张剂\nC. 长期家庭氧疗\nD. 戒烟" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1339", "conversations": [ { "from": "human", "value": "男性,50岁。胃溃疡病史 10 年,近2个月患者腹痛加重,失去规律,经多种药物治疗无效体重下降。查体:浅表淋巴结无肿大,腹平软,上腹部有压痛。就目前资料考虑,最可能的诊断是\nA. 胃溃疡复发\nB. 胃溃疡癌变\nC. 合并胃泌素瘤\nD. 复合性溃疡" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1340", "conversations": [ { "from": "human", "value": "与系统性红斑狼疮的发病无关的因素是\nA. 雄激素\nB. 化学试剂\nC. 紫外线照射\nD. 遗传" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1341", "conversations": [ { "from": "human", "value": "与幽门螺杆菌感染无关的疾病是\nA. 胃溃疡\nB. 胃炎\nC. 胃食管反流病\nD. 十二指肠溃疡" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1342", "conversations": [ { "from": "human", "value": "女性,35 岁。乏力、心悸1年余,近2个月症状加重,伴厌食、消瘦、手颤。查体:甲状腺弥漫性肿大,心率 126 次/分,心律整。实验室检查提示 FT3、FT4 显著增高,TSH降低。对该患者治疗,应首选的方法是\nA. ${ }^{131} \\mathrm{I}$治疗\nB. 咪哗类药物\nC. 手术治疗\nD. 碘制剂" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1343", "conversations": [ { "from": "human", "value": "在下列叙述中,不会发生的化生是\nA. 纤维组织化生为软骨组织\nB. 柱状上皮化生为鳞状上皮\nC. 鳞状上皮化生为纤维组织\nD. 胃腺上皮化生为肠腺上皮" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1344", "conversations": [ { "from": "human", "value": "DNA理化性质中的“$T_m$”值所表达的含义是\nA. 复性时的温度\nB. 复制时的温度\nC. 50%双链被打开的温度\nD. 由B型转变成A型的温度" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1345", "conversations": [ { "from": "human", "value": "男性,80岁。因突发全腹剧痛8 小时来院,途中频繁呕吐,随后出现气急、喘憋。既往有房颤史。入院查体;P 95 次/分,R 36 次/分,BP 84/60 mmHg,急性病容,呼吸急促,两肺均可闻及哮鸣音及湿啰音,右侧为著,心率120 次/分,节律不整,腹部膨隆,全腹均有压痛,右侧更明显,轻度反跳痛、肌紧张,肠鸣音弱。化验 Hb 124 g/L,WBC 30X10/L,中性粒细胞90%。患者突发严重喘憋最可能的原因是\nA. 急性心衰\nB. 哮喘发作\nC. 吸入性肺炎\nD. 肺栓塞" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1346", "conversations": [ { "from": "human", "value": "男性,82 岁。前天饮酒后出现腹部胀痛,小便频,量少,逐渐加重。平时大便干燥,2~3天1次。查体:腹部膨隆,下腹为著,全腹压痛,下腹更重,肌紧张不明显,肠鸣音活跃。经肥皂水灌肠后,排出较多类块,腹痛无明显缓解。此患者最可能的诊断是\nA. 习惯性便秘\nB. 急性膀胱炎\nC. 急性尿潴留\nD. 乙状结肠扭转" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1347", "conversations": [ { "from": "human", "value": "男性,35岁。因蛋白尿原因待查人院,24 小时尿蛋白定量3.8 g,血白蛋白30 g/L,肾活检示:轻度系膜增生性肾炎。该患者最不常见的并发症是\nA. 急性肾衰竭\nB. 肾静脉血栓形成\nC. 水、电解质紊乱\nD. 营养不良" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1348", "conversations": [ { "from": "human", "value": "肾小球源性血尿最常见的病因是\nA. 急性肾孟肾炎\nB. 慢性肾小球肾炎\nC. IgA肾病\nD. 急性肾小球肾炎" } ], "eval": { "answer": "C", "type": "college_medicine" } }, { "id": "cmmlu_1349", "conversations": [ { "from": "human", "value": "男性,80岁。因突发全腹剧痛8 小时来院,途中频繁呕吐,随后出现气急、喘憋。既往有房颤史。入院查体;P 95 次/分,R 36 次/分,BP 84/60 mmHg,急性病容,呼吸急促,两肺均可闻及哮鸣音及湿啰音,右侧为著,心率120 次/分,节律不整,腹部膨隆,全腹均有压痛,右侧更明显,轻度反跳痛、肌紧张,肠鸣音弱。化验 Hb 124 g/L,WBC 30X10/L,中性粒细胞90%。即刻应采取的处理措施是\nA. 血管造影\nB. 快速补液加升压药\nC. 减慢心率\nD. 增强CT" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1350", "conversations": [ { "from": "human", "value": "“不同蛋白质有不同的空间构象”所指的含义是\nA. 结合蛋白质有多种辅基\nB. 一级结构决定高级结构\nC. 蛋白质的变性与复性\nD. 多肤链的折叠机制" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1351", "conversations": [ { "from": "human", "value": "传导慢痛的外周神经纤维是\nA. B 类纤维\nB. C 类纤维\nC. $\\mathrm{A}_\\gamma$ 纤维\nD. $A_\\delta$ 纤维" } ], "eval": { "answer": "B", "type": "college_medicine" } }, { "id": "cmmlu_1352", "conversations": [ { "from": "human", "value": "在下列选项中,符合肿瘤间变概念的是\nA. 肿瘤细胞的去分化\nB. 肿瘤亲子代之间的遗传特性继承\nC. 肿瘤发生过程中的一种癌前病变\nD. 良恶性肿瘤之间的形态改变" } ], "eval": { "answer": "A", "type": "college_medicine" } }, { "id": "cmmlu_1353", "conversations": [ { "from": "human", "value": "男性,48 岁。1个月来气短、呼吸困难,1周来发热、咳嗽,B超发现“右侧大量胸腔积液”。近半年日渐消瘦。查体:T37.5C,R 21次/分,轻度贫血貌,高枕右侧卧位。该患者胸部听诊不可能出现的体征是\nA. 右中下肺语音共振消失\nB. 右下腋前线部可闻及胸膜摩擦音\nC. 右上肺可闻及支气管呼吸音\nD. 左上肺可闻及支气管肺泡呼吸音" } ], "eval": { "answer": "B", "type": "college_medicine" } } ]