单项选择题
A.Minor burn B.Superficial burn C.Extremity burn D.First-degree burn
A man has a burn on his arm. There is reddening of the ...
单项选择题A man has a burn on his arm. There is reddening of the skin，blistering，and swelling. Using standard medical terminology this is a（）.
A.major burn B.secondary burn C.second-degree burn D.blister burn
A major health hazard of the product tert-butylamine is...
单项选择题A major health hazard of the product tert-butylamine is that it（）.
A.can be absorbed through the skin B.causes irreversible damage to eye tissue C.is a very unstable product D.All of the above
A crew member suffering from hypothermia should be give...
单项选择题A crew member suffering from hypothermia should be given（）.
A.a small dose of alcohol B.treatment for shock C.a large meal D.a brisk rub down
