Using the Mechanism of Action of the Aldehyde Disinfectants,determine the Statement

Using the mechanism of action of the aldehyde disinfectants,determine the statement that is not true about their use as effective antiseptics.

A) The aldehyde group is used to inactivate viruses and toxins (and any other organism) because these chemicals are incorporated into the bacterial cell wall, which disrupts the membrane and reduces the membrane's permeability.
B) Glutaraldehyde is used for cold sterilization of equipment, medical devices, and surgical instruments.
C) The aldehyde group is never used as an antiseptic because of the potential damage to human tissue at any concentration.
D) The aldehyde group includes formaldehyde, glutaraldehyde, and ethylene oxide.