题目内容

What type of room did Dalong reserve?

A single room.
B. A double room.

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For how many nights did Dalong reserve?

A. One night.
B. Two nights.
C. Three nights.

What room service did Xiaoli need?

A. She needed slippers.
B. She needed hot water.
C. She needed quilt.
D. She needed Wi-Fi.

What did Dalong return to the cashier when checking out?

A. The room key.
B. The empty flask.
C. The deposit.

1.某科研小组，利用中、重度哮喘的患者，给不同剂量的呋塞米雾化吸入治疗进行单盲人体实验。自愿参加的受试者在实验前停用平喘药一天，除有明显低氧血症的患者给予30%氧气吸人外，均不加用其他药物。治疗组给不同浓度呋塞米生理盐水溶液雾化吸人20分钟，对照组仅给生理盐水雾化吸入，观察4小时。结果治疗组85%有效;对照组除1例起效和1例无变化外，82%的受试者肺功能较前恶化。请问：根据人体实验的伦理道德分析此案例。