Question

Which is not an example of a critical injury?

Answer 1

Which is not an example of a critical injury? 

ankle sprain (A.)

Answer 2

Critical injury is injury that needs immediate medical emergency assistance or first aid. This injury places life in jeopardy,  may produce unconsciousness,  may involve the fracture of a leg or arm or amputation of a leg, arm, hand or foot and can results in substantial loss of blood.

According this blindness is not an example of a critical injury. All other options are.

may involve the fracture of a leg or arm or amputation of a leg, arm, hand or foot