The nurse is caring for a client being prepared for a left total knee replacement surgery. The nurse is witnessing the surgeon obtain informed consent before the procedure. Which essential components must be present to obtain informed consent? (Select all that apply)

Choice A reason: The radiology department plays a crucial role in mass casualty incidents by providing imaging services to diagnose and assess the extent of injuries. Involving radiology in the drill planning process ensures that they are prepared to handle a sudden influx of patients.

Choice B reason: Hospital security is essential for managing crowd control, maintaining order, and ensuring the safety of patients, staff, and visitors during a mass casualty incident. Their involvement in the drill planning process is necessary to coordinate security measures effectively.

Choice C reason: Hospital housekeeping is responsible for maintaining cleanliness and sanitation, which is especially important during a mass casualty incident to prevent the spread of infections and ensure a safe environment for patient care. Their participation in the drill planning helps prepare them for increased demands.

Choice D reason: The dietary department, while important for overall patient care, is not immediately critical in the context of a mass casualty drill. The focus of such drills is typically on urgent medical care, security, and logistical coordination.

Choice E reason: The registration department is vital for efficiently processing and documenting patient information during a mass casualty incident. Their involvement in the drill planning process ensures that they are prepared to handle a large number of patients quickly and accurately.

Choice A reason: Battery involves harmful or offensive physical contact with another person. In this scenario, no physical contact has been made, so the UAP's actions do not constitute battery.

Choice B reason: Assault occurs when a person intentionally creates a reasonable apprehension of imminent harmful or offensive contact in another person. By threatening the client with being put in a diaper if he does not comply, the UAP is creating a fear of potential harm, which constitutes assault.

Choice C reason: False imprisonment involves the unlawful confinement of a person without their consent. While the UAP's threat is inappropriate, it does not involve actual confinement, so false imprisonment is not applicable in this situation.

Choice D reason: Invasion of privacy occurs when there is an intrusion into a person's private affairs or disclosure of private information without consent. The UAP's actions do not involve disclosing private information or intruding into the client's personal life, so invasion of privacy is not relevant here.