第6题: [单项选择]乳腺淋巴引流途径,描述错误的是()。 A. 乳房大部分淋巴液引流至腋窝淋巴结 B. 腋区淋巴结通常分为腋下组、腋中组和腋上组 C. 部分乳房内侧淋巴液引流至胸骨旁淋巴结 D. 两侧乳房之间有皮下交通淋巴管 E. 乳房深部淋巴网可经腹直肌鞘通向肝 参考答案:B 答案解析:腋窝淋巴结分为中央组、胸肌组和肩胛下组淋巴结。
第8题: [单项选择]关于去甲肾上腺素的叙述中,错误的是 A. 正性肌力作用 B. 兴奋α受体 C. 兴奋β1受体 D. 兴奋β2受体 E. 被MAO和COMT灭活 参考答案:D 答案解析:去甲肾上腺素非选择性激动α1和α2受体,对心脏β1受体有一定作用,对β2受体几乎无影响。
第9题: [单项选择]Passage Three Questions 32 to 35 are based on the passage you have just heard. A. They are social marine animals. B. They call for help when they are in danger. C. They hunt food alone and independently. D. They immigrant between the Antarctic and Australia. 参考答案:C 答案解析:[听力原文] Which of the following goes against pilot whales’ instinct according to the passage