单项选择题
A.give the victim artificial respiration
B.completely restrain the victim
C.give the victim one 30 mg. tablet of phenobarbital
D.keep the victim from injuring him or herself
单项选择题 A crew member has suffered frostbite to the toes of the right foot. Which is NOT an acceptable first aid measure?（）.
单项选择题 A crew member has suffered frostbite to the toes of both feet. You should（）.
单项选择题 A conscious victim who has suffered a blow to the head has symptoms that indicate the possibility of concussion. If the patient feels no indication of neck or spine injury，recommended treatment would include（）.