单选题男性，65岁，发现高血压7年，1年来血压控制不稳定，且有胸闷，心悸，心率56次／分，超声心动图检测EF0．56，胸片示左心室不扩大，考虑左心室舒张功能障碍。为改善左心室顺应性，下述哪种药物最合适
单选题关于血吸虫病的描述。下列哪项是正确的( )(1999年)
单选题女性，40岁，因反复皮肤黏膜出血2周被诊断为ITP，应用泼尼松1mg／(Kg.d)持续治疗6个月后仍然反复黏膜出血。对该患者最佳处理方案是
单选题浸润型肺结核主要是由于A．原发病灶进展而来B．血行播散扩散形成C．隐性菌血症潜伏在肺内的结核菌重新繁殖D．肺门淋巴结结核破溃形成E．与病人接触引起的感染
单选题
下列哪个基因异常不会引起Alport综合征?
A、X染色体上的Ⅳ型胶原α5链的基因
B、染色体2上Ⅳ型胶原α3链的基因
C、X染色体上的Ⅳ型胶原α2链的基因
D、染色体2上Ⅳ型胶原α4链的基因
E、以上都不是
单选题关于用肾上腺糖皮质激素治疗迟发性哮喘的机制，下列哪项不正确A．抑制磷酸酯酶AB．抑制前列腺素、血小板活化因子合成C．抑制组胺脱羧酶，减少组胺形成D．抑制小血管收缩，减少渗出和炎症细胞浸润E．增加β受体数量
单选题杵状指(趾)一般不出现在下列哪种情况A．亚急性感染性心内膜炎B．支气管扩张C．慢性支气管炎D．脓胸E．肺癌
单选题
慢性肺源性心脏病胸部X线所见，下列哪项是错误的
A、右下肺动脉干扩张，其横径≥15mm
B、右下肺动脉干横径与气管横径比≥1.07
C、肺动脉段突出高度≥3mm
D、右心室增大
E、心脏向左下扩大
单选题有关舒张期心力衰竭，下列哪项不正确A．可与收缩功能障碍同时出现B．可早于收缩功能障碍出现C．可晚于收缩功能障碍出现D．心搏量降低，EF正常E．与心肌肌浆网摄取钙离子能力减低有关
单选题下列哪项不是糖尿病自主神经病变的表现
单选题A．CEA B．p—ANCAC．c—ANCA D．ASE．AFP
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)