A 22-year-old male involved in a cliff-diving accident is presented. Appropriate emergency intubation procedures as well as proper maintenance of pCO2 levels is covered. Used by over 250 teaching institutions for a total of over 83,000 uses annually. Proclaimed "Best Content" by 8 out of 10 Respiratory teaching institutions. Average update period is 10 months. Updates are free for 2 years following any purchase. This brand new feature allows users to choose the level of feedback they desire. The instructor, through the administrative menu, may turn off feedback or set a limit as to the maximum level the user is allowed to access.