Surviving a bad interview

Overview

After looking forward to and preparing extensively for an interview, it can be disappointing to encounter a bad interview day or a poor interviewer. Tips for preparing for an interview are found here, however what does one do if they have done everything in their control to prepare for the interview, but they encounter less than ideal situations? The fact is that there are some things about the interview day you cannot control, but how you respond to the situation is under your control. Never throw away any opportunity to make the best impression possible.