Which of the following can possibly be used as analgesic without causing addiction and modification?

N-acety 1-para-aminophenol

The analgesic that can possibly be used without causing addiction and modification is 3. N-acetyl 1-para-aminophenol, also known as paracetamol.

Morphine, diazepam, and LSD are all addictive drugs that can cause modification. Paracetamol is not addictive and does not cause modification. It is a safe and effective analgesic that can be used to relieve pain without the risk of addiction or side effects.

Paracetamol works by blocking the production of prostaglandins, which are chemicals that cause pain and inflammation. It is a non-steroidal anti-inflammatory drug (NSAID), but it does not affect the stomach like other NSAIDs. Paracetamol is available over-the-counter and is the most commonly used analgesic in the world.

Morphine is a narcotic analgesic that is used to treat severe pain. It is addictive and can cause side effects, such as drowsiness, nausea, and vomiting. Diazepam is a benzodiazepine that is used to treat anxiety and insomnia. It is addictive and can cause side effects, such as drowsiness, dizziness, and confusion. LSD is a hallucinogenic drug that is not used as an analgesic. It can cause a variety of side effects, including hallucinations, delusions, and psychosis.