单项选择题
If you came into contact with nitrobenzene while disconnecting the cargo hose，you should be aware that it is（）.
A.highly toxic when absorbed through the skin
B.a blood poison
C.a nerve poison
D.All of the above
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相关考题
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单项选择题
If the patient vomits during mouth-to mouth resuscitation，the rescuer should FIRST（）.
A.ignore it and continue mouth-to-mouth ventilation
B.pause for a moment until the patient appears quiet again，then resume ventilation mouth-to-mouth
C.switch to mouth-to-nose ventilation
D.turn the patient's body to the side，sweep out the mouth and resume mouth-to-mouth ventilation -
单项选择题
If a crewman suffers a second-degree burn on the arm，you should（）.
A.drain any blisters
B.apply antiseptic ointment
C.scrub the arm thoroughly to prevent infection
D.immerse the arm in cold water -
单项选择题
If a crew member is exposed to phenol by way of skin or eye contact，you should IMMEDIATELY（）.
A.administer oxygen
B.treat victim for shock
C.flush skin and eyes with water
D.give victim stimulant
