单项选择题
A.On their side if unconscious B.Head down and feet up，no injuries to face or head C.Flat on their back with head and feet at the same level D.Arms above their head
A man has suffered a burn on the arm. There is a redden...
单项选择题A man has suffered a burn on the arm. There is a reddening of the skin but no other apparent damage. Using standard MEDICAL terminology，this is a（）.
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
