A client is refusing to undergo any more treatments in the hospital and wants to leave against medical advice. When the nurse requests the client to sign an AMA order, the client refuses and leaves. What is the next action of the nurse?

The correct answer is D: Allow the client to leave and document the refusal in his chart. This is the appropriate action because every individual has the right to refuse medical treatment, even if it is against medical advice. By allowing the client to leave and documenting the refusal in the chart, the nurse respects the client's autonomy and ensures legal and ethical considerations are met. Calling security to hold the client (choice A) would violate the client's rights. Notifying the physician to convince the client (choice B) may not be effective and goes against the client's autonomy. Speaking with the client's spouse (choice C) is irrelevant as the decision lies with the client.