Which of these is one of the firearm safety rules?

After assessing the following patients, which would the EMT identify as suffering from multisystem trauma?

A) 24-year-old male; slipped on ice; tenderness to the right shoulder B) 61-year-old male; became dizzy and fell down five stairs; laceration to the head; open fracture to the left lower leg C) 31-year-old female; large laceration to her leg from a hunting knife; bleeding controlled D) 89-year-old female fell in a nursing home; hematoma to the back of her head

What percentage of patients who have HAPE do not develop AMS first?

a. 10 percent b. 20 percent c. 40 percent d. 50 percent