题目内容

Listen to a short passage concerning fear and fill in the missing information.And it can happen even if the person has driven over many bridges or flown many times before. A fast heartbeat. Sweaty hands. 1 breathing. A lightheaded feeling. At first a person may have no idea what is wrong. But these can all be2 of what is known as panic disorder.

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Listen to a short passage concerning fear and fill in the missing information.[音频]But experts say panic disorder can be1. Doctors might suggest anti-anxiety or antidepressant medicines. Talking to a counselor could help a person learn to2 or avoid a panic attack. There are breathing methods, for example, that might help a person3.

下列哪些情况可引起渗透性利尿

A. 大量注射生理盐水
B. 静脉注射甘露醇
C. 肾血浆流量增多
D. 血糖浓度在260mg/100ml
E. 大量喝清水

抗利尿激素的主要作用是

A. 提高远曲小管和集合管对水的通透性
B. 增强髓袢升支粗段对NaCl的主动重吸收
C. 提高内髓部集合管对尿素的通透性
D. 促进近曲小管对水的重吸收
E. 以上都不对

大量饮清水后抗利尿激素分泌减少主要是由于

A. 血量增多
B. 动脉血压增高
C. 血浆晶体渗透压降低
D. 血浆胶体渗透压降低
E. 血管紧张素Ⅱ减少