题目内容

下列器官或组织的血管，不具备肌源性自身调节功能的是

A. 脑
B. 心
C. 肾
D. 皮肤

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心肌代谢活动增强可使冠脉血流量增加，下列哪一因素作用最强

A. 缺氧
B. 腺苷
C. H+
D. CO2

血液和组织液之间进行物质交换的最主要方式是

A. 扩散
B. 滤过
C. 重吸收
D. 胞饮

Suppose your cousin Li Ming has just been admitted to a university. Write him/her a letter to1)congratulate him/her, and2)give him/her suggestions on how to get prepared for university life You should write about 100 words on ANSWER SHEET 2.Do not sign your own name at the end of the letter. Use "Zhang Wei" instead. Do not write the address.

静脉注射肾上腺素后不出现下列哪项生理效应

A. 心肌收缩加强
B. 心率增快
C. 组织液生成减少
D. 内脏和皮肤血管收缩