I hate to scare you, but my very first question asked last year was if there were any ER patients that stood out to me, and what I could tell them about this particular patient and their condition, treatment, follow-up, etc., and I didn't really have anything good to say.
I realized that they saw a lack of clinical exposure in my app. right away and decided to call me out on it in the interview by asking me questions such as the above one, what type of doctor I wanted to be (and how I knew this), and others.
Although the rest of the interview went well and they asked questions that pertained to getting to know me, they had ultimately confirmed that I needed more exposure.
When I asked Dr. Samson about it, he said that he put me on the waitlist rather than reject me since I had to work 25 hours a week through college to pay for it, and I had somewhat of an excuse for not having as much of an opportunity.
However, if I were you, I would try to do something new and exciting with lots of patient contact that would knock their socks off. Then update the school (particularly your EXCOM interviewer) ASAP about your new experience, how it has helped confirm your desire to be a physician, as well as your level of interest in the school. Last year, I tried to get a bunch of shadowing experience during my senior year, but it turned out to be too little, too late.
Sorry if I sound like a know it all, but I am just speaking from my experience and trying to help 🙂 .