Final answer:
The NA should leave the room immediately and report the incident to their supervisor, respecting the consensual nature of the situation, while ensuring adherence to the facility's policies and consideration of the residents' capacity to consent.
Step-by-step explanation:
If a Nursing Assistant (NA) encounters a sexual situation between two consenting residents, the most appropriate course of action would depend on the policy of the healthcare facility, the capacity of the residents to give consent, and respect for the residents' privacy and autonomy. While it might be instinctive to think that the NA should either leave or report the incident, the key factor here is whether the residents have the mental capacity to consent and what the facility's policy is on sexual expression among residents. Typically, in a healthcare setting, residents have the right to engage in consensual sexual activities, so long as it does not disrupt the environment or infringe on the rights of others.
Therefore, the best response would be (A) Leave the room immediately and report the incident to her supervisor. Reporting the situation allows for the appropriate evaluation of the residents' mental capacity for consent and the consideration of privacy and rights, ensuring both the well-being of the residents and that the facility's policies are being followed. It is not appropriate for the NA to stay and engage in a conversation with the residents about the situation as it may infringe on their privacy (B), to do nothing when there may be a policy to follow (C), or to call the police when no crime is being committed (D).