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
单选题下列不符合缓激肽的描述是
单选题能使支气管扩张的生物活性物质有( )(1989年)
单选题血吸虫病急性虫卵结节中浸润的细胞主要为
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)
单选题哮喘治疗中起“节约类固醇”作用的药物是
单选题血中甲状腺激素浓度升高对TSH分泌的负反馈抑制作用出现较慢，其原因是
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)