Friday, September 16, 2022
问题:易化扩散主要是指水溶性小分子物质的跨膜转运,它受物质的结构特点、...
Friday, September 16, 2022
Friday, September 16, 2022
问题:关于孕激激素作用的叙述,哪些是错误的:()A、刺激子宫内膜呈增生期变化B、使子宫肌活动减弱C、降低母体免疫排斥反应D、刺激乳腺腺泡的发育E、促进能量代谢,有产热作用...
Saturday, April 5, 2025
Sunday, June 8, 2025
Saturday, September 17, 2022
问题:应激时,热休克蛋白增加可()A、增强凝血功能B、增强抗感染功能C、两者皆有D、两者皆无...
Tuesday, January 23, 2024
Friday, September 16, 2022
问题:人在急性大失血后动脉血压降至约60mmHg,此时尿量和尿渗透压有何变化?为什么?...
Saturday, April 5, 2025
Thursday, September 15, 2022
问题:血浆钙离子浓度增高时,神经和肌肉的兴奋性();而钙离子浓度降低时,神经和肌肉的兴奋性()。...
Saturday, September 24, 2022
Friday, September 16, 2022
Saturday, July 22, 2023
Friday, September 16, 2022
Saturday, September 17, 2022
问题:下列哪种情况通气/血流比值将升高()A、肺水肿B、肺气肿C、哮喘发作D、肺纤维化E、肺毛细血管阻塞...
Tuesday, June 13, 2023
问题:骨骼肌进行收缩和舒张的基本功能单位是()。当骨骼肌细胞收缩时,暗带长度(),明带长度(),H带()。...
Tuesday, June 13, 2023
Saturday, September 17, 2022
问题:为什么在气体交换不足时,往往缺O<sub>2</sub>显著,而...
Friday, September 16, 2022
问题:吸收VitB12的部位是 ()A、十二指肠B、空肠C、回肠D、结肠上段E、结肠下段...
Sunday, July 16, 2023