单选题膜性增生性肾炎电镜下的特征性病变是

单选题能使支气管扩张的生物活性物质有( )(1989年)

单选题A．左旋门冬酰胺酶B．羟基脲C．苯丁酸氮芥D．维A酸E．碳酸锂

单选题 肾性急性肾衰竭最常见的病因 ( ) A、急性肾小管坏死 B、肾血管性疾病 c、严重的急性间质性肾炎 D、慢性肾炎 E、急性肾小球肾病综合征

单选题The problem to be taken up and the point at which the search for a solution will begin are customarily prescribed by the investigator (1) a subject participating in an (2) on thinking (or by the programmer for a computer). (3) , prevailing techniques of (4) in the psychology of thinking have invited (5) of the motivational aspects of thinking. The conditions that determine when the person will begin to think in (6) to some other activity, what he will think about, what direction his thinking will take, and when he will regard his search for a solution as successfully terminated (or abandon it as not worth pursuing further) (7) are beginning to attract investigation. (8) much thinking is aimed at (9) ends, special motivational problems are raised by "disinterested" thinking, in which the (10) of an answer to a question is a source of satisfaction in itself. For computer specialists, the detection of a mismatch between the formula that the program so far has (11) and some formula or set of requirements that (12) a solution is what impels continuation of the search and determines the direction it will (13) . Neo-behaviorists (like psychoanalysts) have made much of secondary (14) value and stimulus generalization; i. e., the tendency of a stimulus pattern to become a source of satisfaction if it resembles or has (15) accompanied some form of biological gratification. The insufficiency of this kind of explanation becomes apparent, (16) , when the importance of novelty, surprise, complexity, incongruity, ambiguity, and (17) is considered. Inconsistency between beliefs, between items of incoming sensory information, or between one's belief and an item of sensory information (18) can be a source of discomfort impelling a (19) for resolution through reorganization of belief (20) or through selective acquisition of new information.

单选题 男性42岁患者因大量呕吐鲜血约400ml，伴昏厥一次入院。病史中有高血压史，服用利血平治疗，血压已趋稳定，十年前有"肝炎"史。体检:苍白、贫血貌，血压13/8kPa(97.5/60mmHg)，脉搏90次/分，肝肋下一指，质偏中，脾未及，转移性浊音(-)。本例宜采用下列哪项治疗措施以助止血? A、静注甲氰咪胍 B、静注垂体后叶素 C、静注止血芳酸 D、三腔管压迫止血 E、紧急内镜止血

单选题关于胃蛋白酶的叙述，正确的是

单选题A．无症状性溃疡B．幽门管溃疡C．复合性溃疡D．球后溃疡 (2009年)

单选题女性，28岁，右下腹痛、腹泻伴关节酸痛、低热半年，查体心肺正常，腹软，右下腹触及可疑肿块，X线钡餐检查显示回盲部有钡影跳跃征象(Stierlin’s sign)，最可能的诊断是( )(1994年)

单选题男，35岁，乏力、腹胀2个月，腹痛4天，便秘2天。体格检查：体温38．5℃，神清，皮肤巩膜轻度黄染，胸前有一蜘蛛痣，肝掌征(+)，肝、脾未扪及，移动性浊音(+)。实验室检查：ALT 250U／L，AST～130U／L，ALB32g／L，GLB 38g／L，TB 47μmol／L。腹水常规：黄色，比重为1．016，蛋白25g／L，白细胞500×10 6 ／L，中性粒细胞0．85，1989年曾因易感冒注射丙种球蛋白。

单选题核酸型为双股RNA的病毒为

单选题 一位34岁女职员，因上腹部闷痛，饱胀三年而来门诊就诊，胃镜检查胃体上部大弯侧粘膜较苍白，该区活组织检查示轻度不典型增生.病人自觉症状严重，久治不愈，痛苦万分，大吵大闹，坚决要求住院手术根治.下列哪一种措施是不符合医德规范的? A、医生应给予同情，同意病人的要求，行上半胃切除术 B、不采纳病人的意见并予耐心解释 C、继续门诊治疗 D、嘱病人一年后复查胃镜 E、没有并发症，不必手术治疗

单选题下列临床诊断中，对高度怀疑肠结核的病例中，最有意义的是

单选题患者，女，27岁，患系统性红斑狼疮3年，长期服用皮质激素治疗，近2周来出现高热，体温39℃，头痛伴恶心、呕吐2天，胸片双肺弥漫粟粒结节影，腰穿压力为300mmH 2 O，脑脊液无色透明，WBC0.1×lO 9 ／L，葡萄糖1 mmol／L，蛋白100mg／dl，氯化物90mmol／L。应考虑

单选题哪一项属于胃十二指肠黏膜防卫因子( )(1999年)

单选题A．苍白无华 B．色素沉着C．面如满月 D．面容臃肿E．丑陋容貌

单选题梅毒树胶肿的叙述，正确的是( )(2004年)

单选题霍奇金病最重要的具有诊断意义的细胞是( )(1994年)

单选题A．弥散障碍 B．第1秒用力呼气率减低C．两者均有 D．两者均无

单选题不符合Bmkitt淋巴瘤的是( )(2001年)