Final answer:
The correct response to a patient's complaint involves a calm approach, identifying the problem's source, and presenting solutions, encompassing all of the above strategies.
Step-by-step explanation:
When a patient calls with a complaint, the appropriate response is D) All of the above. First, it is crucial to approach the situation as one might deal with an angry caller; this involves choosing words carefully, staying calm, listening attentively, and being respectful and open. Following a peaceful engagement, the next step is to find the source of the problem, which might involve gathering information, consulting expert advice, and performing a root cause analysis. Lastly, one should present the patient with possible solutions to the problem, focusing on problem-solving rather than placing blame which leads to more positive outcomes and efficient resolution of the issue.