Medical ethics is a topic that is frequently addressed during the interview. They are a bit trickier to answer because oftentimes the situation presented sits in a gray area with no real "right" answer. Although you cannot prepare for every possible question of this category, familiarity with several types of scenarios will help train you to think through unfamiliar or difficult cases.
The following is link to scenarios that are well presented and should help you prepare for these types of questions:
Medical Ethics
