When caring for a patient without a known communicable disease, which of the following infection control measures is unnecessary?

In this context, decontaminating imaging equipment with an antiseptic is unnecessary when caring for a patient without a known communicable disease because the primary purpose of this measure is to prevent the transmission of infectious agents. When there is no indication that the patient harbors an infectious disease, the risk of contamination and subsequent transmission is significantly reduced.

The use of gloves when collecting blood samples, handwashing before and after the nuclear medicine exam, and the use of a needle recapping device are all standard infection control practices that prioritize the protection of both the healthcare provider and other patients. These measures help to minimize any potential risks associated with accidental exposure to blood, bodily fluids, or other hazardous materials, regardless of the known status of the patient. However, the decontamination of imaging equipment can be deemed excessive in situations where no communicable pathogens are known to be present. Therefore, this specific infection control measure is considered unnecessary in this scenario.