1, the characteristics of modern ambulances refer to _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

2. "First witness" refers to the person who gives first aid to patients with sudden injury and critical illness at the scene.

3. Adults and children judge consciousness by tapping shoulders and calling, while infants judge consciousness by tapping the soles of the feet of verbal attacks and pinching his upper arms.

4. Use _ _ _ to see _ _ _ use _ _ to listen _ _ _ use _ _ _ to feel _ _ to judge breathing.

5. The four early stages in the life chain are _ early access _, _ early hands-free cardiopulmonary resuscitation _, _ early defibrillation _ and _ _ early advanced cardiopulmonary resuscitation _.

6. In the ABC of cardiopulmonary resuscitation, it is _ _ _ to judge that the airway is awake and open, B is _ _ artificial respiration, and C is _ chest compression.

Second, the trauma care (fill in the blanks, 0.5 points per blank, ***8 points)

1. The main types of trauma are closed injury, open injury, multiple injury and compound injury.

2. Adults' blood accounts for 8% of their own weight, and a 60 kg person has about 4800 ml of blood.

3. The general types of wounds are scratches, stab wounds, cuts, bites, stab wounds, burns and scalds.

4. The types of cracks are stable cracks and unstable cracks; According to the degree of fracture, fracture is divided into _ _ closed fracture _ _ open fracture _ _ and _ _ pathological fracture.