单项选择题
What can be determined about an injury from examining the condition of a victim’s pupils? （）
A.The degree of pain being suffered B.The degree of vision impairment C.Whether or not the brain is functioning properly D.Whether or not the victim's blood pressure is normal
单项选择题 The primary concern in aiding a back injury patient is（）.
单项选择题 In managing a situation involving multiple injuries，the rescuer must be able to（）.
单项选择题 If a victim is unconscious，you should first look for evidence of（）.
