45. The Controlled Substances Act regulates:

Answer: B

Explanation:

The Controlled Substances Act regulates whether practitioners can write prescriptions for Oxycontin.

The Controlled Substances Act specifically governs the prescribing and dispensing of controlled substances, including Oxycontin, which is classified as a Schedule II drug due to its potential for abuse and dependence.

A) which patients can receive prescriptions for Ativan.

This option is incorrect because while the Controlled Substances Act does regulate the prescribing of Ativan, it does not specifically dictate which patients can receive prescriptions. Instead, it provides guidelines for practitioners on how to prescribe controlled substances.

B) whether practitioners can write prescriptions for Oxycontin.

This option is correct as the Controlled Substances Act directly regulates the prescribing of Oxycontin, which is classified under Schedule II substances. Practitioners must adhere to strict regulations when prescribing this medication to prevent misuse and protect public health.

C) the purchase of pseudoephedrine without a prescription.

This option is incorrect because the regulation of pseudoephedrine focuses on its sale and purchase, particularly to prevent its use in the illegal manufacture of methamphetamine, rather than on prescriptions. The Controlled Substances Act does not specifically prohibit the purchase of pseudoephedrine without a prescription, although there are restrictions in place.

D) the prescribing and dispensing of isotretinoin.

This option is incorrect as isotretinoin is not classified as a controlled substance under the Controlled Substances Act. Although it is subject to specific regulations due to its potential side effects, it does not fall under the jurisdiction of the Act regarding controlled substances.

Conclusion

The Controlled Substances Act is primarily concerned with the regulation of substances that have a high potential for abuse, such as Oxycontin. Option B accurately reflects this focus by specifying the authority of practitioners in prescribing such medications. The other options either misrepresent the Act's scope or pertain to substances not classified under it, thereby confirming that B is the definitive correct answer.