hmmm....I had Dr. Green for my non-voting member. He asked me a pretty detailed question about why a patient would have breathing trouble if they were unhooked from a venthilator, without removing the endotracheal tube. He showed me the ET tube, and I could discern that the diameter of the tube was quite smaller than the trachea (A balloon was blown up to fit inside the trachea). Thus, breathing through the tube was, in essence, like breathing through a straw. There is more resistance involved, and therefore, the muscles get tired and don't want to continue breathing. He even asked me the physical law behind that phenomenon. I had no idea. FYI, it is Pousille's law. I will never forget that. It wasn't really that bad.
As for my voting member, I had Dr. McKie. She did not have any brain busters up her sleeve. It was pretty conversational. My advice for you is to not get rattled if your interview with the non-voting member does not go well. If your voting member likes you, you are virtually in because it is that person who makes the decision to present you to the committee. That's my 2 cents. peace