Which of the following greetings by an MAA is appropriate when answering the telephone?

The choice of greeting that is most appropriate for an MAA when answering the telephone is the one that encompasses professionalism, clarity, and helpfulness. In this case, the response that states "Good afternoon, cardiology clinic, Mary speaking. How may I direct your call?" achieves all these elements effectively.

This greeting starts with a polite salutation, "Good afternoon," which sets a welcoming tone for the caller. It clearly identifies the office or department—"cardiology clinic"—so the caller knows they have reached the correct place. Stating the name of the person answering, "Mary speaking," personalizes the interaction and fosters rapport, making the communication feel more friendly and engaging. Lastly, by asking how the speaker can "direct your call," it shows readiness to assist and an intent to be helpful, which is key in customer service roles.

Such an approach ensures that the caller feels acknowledged and informed and helps establish a professional environment right from the outset of the conversation. This is particularly vital in a medical setting where clarity and professionalism are essential for effective patient care and communication.