Examlex
The ________ Orogeny is one of three events that formed the modern Appalachian Mountains.
Fentanyl
A powerful synthetic opioid analgesic that is similar to morphine but is 50 to 100 times more potent, used medically for severe pain management.
Opioids
A class of drugs that include the illegal drug heroin, synthetic opioids such as fentanyl, and pain relievers available legally by prescription, used primarily for pain relief and anesthetic purposes.
Cross-Tolerance
A phenomenon in which tolerance to the effects of a certain drug produces tolerance to another drug, usually because both drugs share similar mechanisms of action.
Drug Group
A classification of medications or compounds with similar chemical structures, mechanisms of action, therapeutic uses, or side effects.
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