Step 3 » GENERAL learning environment Category C (C, C1)

For answer  A 

The disinfection of the wounds that require to be dressed is done with hydrogen peroxide or iodine.

Hydrogen peroxide - Medical-use solution used for its disinfection effects and for stopping small bleedings consecutive to scratched, crushed wounds, stings or as a consequence of hits followed by the appearance of small-medium skin or mucous membrane injuries (epistaxis).

Iodine - It is used in the disinfection of medical material, the antisepsis of skin lesions, the treatment of inflammations and infections of mucous membranes.

For answer  B 

The saline solution is sterile, but it does not have antiseptic or disinfectant properties.

For answer  C 

Drinking water, besides the fact that it does not have antiseptic or disinfectant properties, may contain impurities or microorganisms that must not reach the wound.

The correct answer is: A

Recommendations:

First aid course --> First aid course