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單項選擇題

The MOST important element in administering CPR is（）.

A.having the proper equipment for the process
B.starting the treatment quickly
C.administering of oxygen
D.treating for traumatic shock

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單項選擇題

The most effective first aid treatment for chemical burns is to immediately（）.

A.apply ointment to the burned area
B.flood the affected area with water
C.wrap the burn with sterile dressing
D.apply an ice pack to the burned area

單項選擇題

The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.

A.auto-ignition point
B.flash point
C.lower explosive limit (LEL)
D.threshold limit value (TLV)

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