Final answer:
In Michigan, prescriptive authority does not extend to controlled substances, which are regulated by the federal government.
Step-by-step explanation:
The delegation of prescriptive authority in Michigan extends to medications that are not controlled substances. Controlled substances refer to drugs with the potential for abuse and dependence, which are regulated by the federal government and require specific licenses to prescribe. Examples of controlled substances include opioids like oxycodone and morphine.