Which of the following are considered Schedule II drugs by the DEA? select all that apply

A. Ritalin (methylphenidate) is a Schedule II drug, indicating it has a high potential for abuse and dependence, despite its accepted medical use for treating ADHD. B. Cocaine is classified as a Schedule II drug because it has a high potential for abuse but also has accepted medical uses, such as in certain surgical procedures as a local anesthetic. C. Ketamine is classified as a Schedule III drug. It has a lower potential for abuse compared to Schedule II substances but is still controlled. D. Methaqualone is a Schedule I drug, indicating it has no accepted medical use and a high potential for abuse. E. Hydrocodone, particularly in combination with other substances, is classified as a Schedule II drug due to its high potential for abuse and dependence.