In the medical field, you may find yourself shuffling quickly from patient to patient, interacting with a variety of personalities on your team. Some people are easier to work with than others. Give a REAL example. Breakdown what happened and how you handled it professionally. Focus on the solution, not the conflict. If you wish you would have done something different, share it. Showing you can learn from past conflicts shows maturity.
"One of my co-workers wasn't carrying their weight, which meant everyone else had more work to do. I chatted with her one day at lunch, and she shared some personal issues that had been interfering and we agreed she needed some help with her projects. We all met with our boss and we determined a temporary solution to help her while she resolved her issues outside of work."