Choose which of the following best describes the difference between a disinfectant and an antiseptic.
a) Disinfectants are for external use only; antiseptics can be used internally.
b) Disinfectants kill bacteria; antiseptics prevent bacterial growth.
c) Disinfectants are used on living tissue; antiseptics are used on nonliving surfaces.
d) Disinfectants are used on surfaces; antiseptics are used on wounds.