A nurse who posts a picture of a client on the internet is likely to be:

Posting a picture of a client on the internet typically violates the privacy and confidentiality standards set forth in the nursing profession's code of ethics. Nurses are obligated to protect the rights of clients, which includes maintaining their confidentiality and ensuring that any personal health information is safeguarded. Sharing identifiable patient information without consent can lead to significant consequences, including potential harm to the client, breaches of trust, and legal ramifications for the nurse.

This breach not only undermines the nurse-client relationship but also violates institutional policies and regulations regarding patient privacy, such as HIPAA (Health Insurance Portability and Accountability Act) in the United States. The profession relies heavily on trust and ethical standards to maintain the integrity of care provided to clients. Therefore, when a nurse shares a client's image without appropriate consent or justification, it constitutes a serious ethical violation, making this the correct response to the question.