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.
If you have severe side effects, call your doctor, and stop taking this medicine. Do not drink alcohol or use other drugs while you are taking fentanyl. Fentanyl can interact with many other drugs.Make sure that your doctor is aware of all the medicines you are taking. Fentanyl should be used during pregnancy only if the benefits to the mother outweigh the risks to the fetus.f you have severe side effects, call your doctor, and stop taking this medicine. Do not drink alcohol or use other drugs while you are taking fentanyl. Fentanyl can interact with many other drugs.