单选题强光照射一侧眼球可出现______
单选题A.心室等容收缩期B.心室等容舒张期C.心室舒张期的后期D.心室舒张期的早期
单选题霍奇金淋巴瘤最常发生的部位是
单选题胃肠平滑肌动作电位产生的主要离子基础是( ) A．K+内流 B．Na+内流 C．Ca2+内流 D．Ca2+与K+内流 E．Na+与K+内流
单选题维持内环境稳态的重要调节方式是( )(2004年)
单选题心交感神经引起心肌收缩力加强的主要机制是( )(1999年)
单选题使血浆滤出毛细血管壁的力量是( ) A．组织液胶体渗透压 B．血浆胶体渗透压 C．毛细血管血压 D．A+B E．A+C
单选题声波振动由鼓膜经听骨链传向卵圆窗时
单选题
血浆总渗透压（ ）。
A、近似0．9％NaCl溶液的渗透压 B、近似0．9％葡萄糖溶液的渗透压
C、近似0．9％尿素溶液的渗透压 D、近似血浆胶体渗透压
单选题关于B型慢性萎缩性胃炎的描述，正确的是
单选题Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1) , it's best to deal with them, (2) remember that any (3) should be done (4) person or by letter. The telephone is not a good (5) because it is too easy (6) either side to (7) the conversation. Explain to her (8) you find difficult in your relationship and then (9) some new arrangements that you think would establish a (10) balance between you. Sometimes we hold (11) from establishing such boundaries because we are afraid that doing (12) implies we are (13) her. We need to remember that being (14) from our mother does not (15) mean that We no longer love her. If the conflict is (16) and you cannot find a way to (17) it, you might decide to give up your relationship with your mother for a while. Some of my patients had (18) "trial separations". The (19) allowed things to simmer down, enabling (20) .
单选题下列有关局部电位的叙述，不正确的是( ) A．细胞受阈下刺激时产生 B．无不应期 C．电位的幅度随刺激强度而变化 D．电紧张性扩布 E．可以总和
单选题关于外周神经递质的叙述，错误的是
单选题使组织液回流入毛细血管的力量是( ) A．血浆胶体渗透压 B．组织液胶体渗透压 C．组织液静水压 D．A+B E．A+C
单选题A．神经调节B．体液调节C．自身调节D．神经分泌调节
单选题下列哪种疾病属于急性增生性炎
单选题湿性坏疽的特点不包括______
单选题患者男性，70岁，既往体健，数小时前猝死。尸检结果：主动脉广泛粥瘤形成，两冠状动脉主干均可见粥样硬化斑块，并有管腔狭窄，未见血栓。心肌暗红色，有光泽。符合患者疾病的描述是
单选题眼震颤反应的发生是刺激下列哪种感受器引起______
单选题乙型脑炎的特征性病变是