When heroin enters the body, it breaks down into:

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Multiple Choice

When heroin enters the body, it breaks down into:

Explanation:
Heroin is a prodrug that is rapidly converted in the body to morphine. Once inside the body, enzymes remove the acetyl groups from heroin, first forming 6-monoacetylmorphine and then morphine. Morphine is the primary active metabolite that produces the opioid effects by acting on mu-opioid receptors. That’s why morphine is the breakdown product heroin behaves like in pharmacology. Opium is the plant source that contains morphine and other alkaloids, not a metabolite of heroin. Methadone and oxycodone are separate opioids and are not formed from heroin during metabolism.

Heroin is a prodrug that is rapidly converted in the body to morphine. Once inside the body, enzymes remove the acetyl groups from heroin, first forming 6-monoacetylmorphine and then morphine. Morphine is the primary active metabolite that produces the opioid effects by acting on mu-opioid receptors. That’s why morphine is the breakdown product heroin behaves like in pharmacology. Opium is the plant source that contains morphine and other alkaloids, not a metabolite of heroin. Methadone and oxycodone are separate opioids and are not formed from heroin during metabolism.

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