Which action by a radiologic technologist may lead to a complaint of assault?

The action that may lead to a complaint of assault is threatening the patient with a repetition of a painful examination. Assault in a healthcare context often involves any action that instills fear or apprehension in a patient regarding their wellbeing or comfort. By making a threat that a painful procedure will be repeated, the radiologic technologist is creating an atmosphere of intimidation and fear, which can be perceived as a violation of the patient's rights and autonomy.

In contrast, firmly positioning a patient, while potentially uncomfortable, is a routine and necessary part of providing effective imaging services and is typically understood to be within the professional's scope of practice. Offering reassurance to the patient and explaining the procedure properly are both actions aimed at alleviating anxiety and promoting understanding, which foster a positive patient experience and typically do not lead to complaints.