"I am most often challenged by staff who are poor communicators. Communication lines should always be open between faculty members, trainees, and the care team. If someone on my team didn't communicate properly, I would respectfully approach them to explain what I need from them. If the problem persisted, I would take it up the proper chain of command."

Ideally, you want to pick a quality that doesn't reflect poorly on you. Talking about demanding personalities may make you seem lazy or unable to work with demanding faculty in the program. Instead, choose a quality that impairs the ability of even the most competent and hard-working doctors from delivering high-quality care or working as part of a high functioning team.