As you know, the emotional swings in caring for patients daily can take their toll on a person. By asking this question, your interviewer wants to know if you consider yourself an emotionally driven person. They also want to make sure that you can control your emotions on the job to provide the best care possible. Talk to the interviewer about your emotions and if they have ever affected your productivity at work. As you answer, keep in mind that almost everyone is an emotional creature to some degree, but there are other ways that you can describe yourself that have a more positive connotation.