I know the original post is older, but the response may help someone else. Well, let me first start by saying your instructors are jerks. I so remember those days and it infuriates me to know that instructors get joy out of intimidating students or playing god with a students future in any profession. I hope to be 'the Director' one day, versus an instructor because I will refuse to allow it. Now as far as auscluatations, I don't care what any instructor tells you, it just takes practice listening to decipher the different sounds, even then you find that nurses and even respiratory therpist that have many years of experience will disagree on what they hear. There are videos out there that would help you, even YouTube videos, so try that. Hand tough