Heroin is

Options

A. A cannabinoid
B. Diacetyl morphine
C. Commonly called 'coke' and 'crack'
D. Used to treat mental illness like depression and insomnia

Answer

**Step-by-Step Solution:**

1. **Identify the Substance**: The question asks about heroin. We need to determine what heroin is classified as.

2. **Chemical Name**: The chemical name for heroin is diacetylmorphine. This is an important fact to note as it distinguishes heroin from other substances.

3. **Classification**: Heroin is classified as a semi-synthetic opiate. This means it is derived from natural opiates but has been chemically modified.

4. **Source of Opiates**: Opiates, including heroin, are derived from opium, which is the dried latex from the unripe capsules of the poppy plant (scientific name: Papaver somniferum).

5. **Formation Process**: Heroin is formed through the acetylation of morphine, which is a natural opiate. This chemical process involves adding acetyl groups to morphine.

6. **Alternative Names**: Heroin is also known as diamorphine, which is another term used in medical contexts.

7. **Common Symptoms**: The common symptoms associated with heroin use include increased respiration, loss of appetite, and depression.

8. **Conclusion**: Based on the information gathered, the correct answer to the question "Heroin is" is option 2: Diacetylmorphine.

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