The answer is; from the spread of infectious diseases
Infectious diseases are easily spread by air, bodily fluids and also water because the microorganisms that cause them use these as media. Wearing gloves during first aid protects against those spread by bodily fluids such as sweat and blood. The air mask protects against those spread through the air.
The increasing problem of intoxicated car accidents.
a concussion is a hit to the head that makes a person to "knock out" or lose consciousness, causing symptoms of confusion.
Answer: C
Explanation: Measure serial cardiac troponin levels