A protective cover for a stethoscope head and an apparatus for quickly and easily interconnecting the protective cover with the stethoscope head. The apparatus includes a cover-positioning device that positions the protective cover so that it can be quickly and easily interconnected with the stethoscope head. The cover positioning device includes a base having a planar portion and an upstanding rim connected to the planar portion, the upstanding rim defining an opening for receiving the stethoscope head therethrough. Following examination of the patient using the stethoscope with the protective head covering, the protective covering can be quickly and easily removed from the stethoscope head and suitably disposed of so as to prevent skin bacteria and like contaminants that may have contaminated the protective cover during patient examination, from undesirably being transmitted to the next patient.