1 The study process for the exam led to a broader knowledge base, a brush-up on familiar topics and an education on new aspects of the ASC industry.  The continuing education requirement to keep the credential up to date encourages CASC achievers to stay current on ASC issues.
Effects. Like heroin, morphine, and other opioid drugs, fentanyl works by binding to the body's opiate receptors, highly concentrated in areas of the brain that control pain and emotions.ike heroin, morphine, and other opioid drugs, fentanyl works by binding to the body's opiate receptors, highly concentrated in areas of the brain that control pain and emotions.
In brief: Versed and Fentanyl. The half life of fentanyl is about seven hours. The half life of versed is more variable, about 2 - 6 hours. In 5 half lives, or 10 - 35 hours, both drugs will be largely eliminated. Chronic users may eliminate the drugs more slowly as they may have fat storeage of the drugs before colonoscopy.