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.
Fentanyl has much stronger effects than morphine. A given amount of fentanyl has about 100 times the potency of the same amount of morphine. Doses of morphine are usually measured in milligrams or tens of milligrams, while the same quantity of fentanyl would cause a lethal overdose if taken all at once.