Ethyl alcohol should not be used in a stronger concentration than that needed for
use as an antiseptic agent because stronger concentrations:
a. Produce burns.
b. Result in spore formation.
d. Bleach clothing.
An alcohol that should NOT be given internally is:
a. Alcohol, USP.
b. Ethyl alcohol.
d. Isopropyl alcohol.
When an alcohol solution or a Benzalkonium Chloride Solution is used for the
disinfection of metal instruments, an agent should be put into the solution to
protect the instruments from:
b. Pathogenic bacteria.
The effectiveness of Benzalkonium chloride is radically reduced by the presence
of even a very small amount of: