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.
At that time I was taking 40mg of OxyContin 3 times a day with oxycodone 30mg up to 4 a day for breakthrough. They switched me to Fentanyl 100mcg/hr patches. At first they wrote for a change every 72 hours but after the second day I was in agony so he let me change them every 48 hours. I liked the way Fentanyl worked.