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 hospital settings, fentanyl can be injected. For the individual abusing the drug outside a hospital, this is highly dangerous, as the difference between a therapeutic dose and a deadly dose is very small. As with any opiate, the main symptoms of fentanyl abuse are euphoria, drowsiness, lethargy and mellowness. Fentanyl very quickly creates a tolerance to high doses, so a dose that is adequate for the intended high one week will probably not create that intended high even a few days later.