第9题: [单项选择]能抑制下丘脑释放血管升压素,调节机体血容量的心血管反射是 A. 压力感受性反射 B. 化学感受性反射 C. 心肺感受器反射 D. 脑缺血反应 参考答案:C 答案解析:①颈动脉窦和主动脉弓压力感受性反射(减压反射、窦弓反射):a.动脉压力感受器:存在部位:颈动脉窦、主动脉弓血管外膜下的感觉神经末梢。适宜刺激:动脉壁的扩张、牵拉。对血压的感受范围:60~180mmHg
第26题: [单项选择]口服胆囊造影术的目的是() A. 了解胆囊收缩和浓缩功能 B. 了解胆囊切除术后胆道情况 C. 明确梗阻性黄疸的部位和原因 D. 明确肝内病变的性质和范围 E. 胆道显影同时也可显示胰管 参考答案:A 答案解析:口服胆囊造影术是口服碘番酸和碘阿芬酸等碘制片剂进行造影的一种检查方法。此法可观察胆囊的形态,了解胆囊浓缩和收缩功能,适用于诊断胆道疾患,如慢性炎症、结石、肿瘤和畸形等。故答案应选A。
第29题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She forgot when the report was due. B. She’d like the man to help her with the report. C. She needs more time to finish the report. D. She hasn’t included any data in her report. 参考答案:C 答案解析:[听力原文]
M: Pam, I don’t understand the problem. You’ve known for months this report was due today.