Problem: I received a flu shot a couple years ago. A couple days afterwards, I began to feel some pain and discomfort in my left upper arm/shoulder area. Over a the following months, my mobility became limited and discomfort increased. I am mandatory to get flu shot, so as I was getting the following years flu shot, I was anxious and in fear that what I had been experiencing that past year with discomfort and limited mobility was going to happen again in the other arm. Identify the unconditioned stimulus, unconditioned response, neutral stimulus, conditioned stimulus, conditioned response. Need Assignment Help?