Questions 15-20 refer to the following vignette:
You are walking on a trail with a regular client. You have done this many times before. While descending a small gravel hill on the trail, he slips, twists his ankle and is in considerable pain. Upon further examination, he is unable to walk. You are about 15 minutes walk down a single track trail from your vehicles. You are down in a canyon and your cell phones have no reception.