Test: Drugs & Alcohol Abuse (NCERT) - NEET MCQ

Heroin, commonly called smack is chemically diacetylmorphine which is a white, odourless, bitter crystalline compound. This is obtained by acetylation of morphine, which is extracted from the latex of poppy plant Papaver somniferum. Generally taken by snorting and injection, heroin is a depressant and slows down body functions.

Malignant tumours are cancerous tumours that spread to distant sites through body fluids to develop secondary tumour by a phenomenon called metastasis. Heroin is a depressant and slows down body functions. Cannabinoids are hallucinogens. Morphine is given to patients who have undergone surgery.

Opioids act as analgesics which relieve pain by acting on the CNS.

The given figure is of morphine which is extracted from the latex of poppy plant, Papaver somniferum.

The given figure is of cannabinoid molecule. Cannabinoids are hallucinogenic chemicals obtained from leaves, resin and inflorescence of hemp plant, Cannabis Sativa. Marijuana, hashish and ganja are cannabinoids.

Heroin, is chemically diacetylmorphine which is a White, odourless, bitter crystalline compound. It is obtained by acetylation of morphine which is extracted from the latex of poppy plant (Papaver somniferum).

Opioids are a type of drug. They are also referred to as narcotics. In the human body, the opioid receptors are present at a variety of locations, including the brain, in the spinal cord, on peripheral neurons, and the digestive tract. They often act as pain relievers.

Generally taken by inhalation and oral ingestion, charas and ganja are known for their effects on cardiovascular system of the body

Coca alkaloid or cocaine is obtained from coca plant Erythroxylum (Erythroxylon coca) which is native to South America.

The chronic use of drugs and alcohol results in cirrhosis and nervous system damages.

Cannabinoids bring about euphoria, excitement, increased energy, sometimes uncontrolled laughter and dilation of pupil of eyes. These days cannabinoids are taken by some sports persons.

Hallucinogens are the drugs that change one's behaviour, thoughts, feelings and perceptions without andy actual sensory stinulus. These drugs produce a dream-like state with the disorientation and loss of contact with reality without andy true sensory stimulus. Erythroxylon coca. Atropa belladona and Datura stramonium possess hallucinogenic properties.

Nicotine is the major stimulatory component of tobacco products. It is highly poisonous as well as addictive chemical. Nicotine stimulates adrenal gland to release adrenaline and non-adrenaline into blood circulation increasing both blood pressure and heart beat rate.The increased blood pressure leads to increased risk of heart disease.

Cocaine, commonly called come or crack, is usually snorted, it has a potent stimulating action on central nervous system, producing a sence of euphoria and increased energy. Excessive dosageof cocaine causes hallucinations.

Drugs like barbiturates, benzo diazepines, lysergic acid diethyl amides (LSD), and other similar drugs are normally used as medicines to help patients cope with mental illnesses like depression and insomnia.

Drug absuers who take drugs intravenously are more likely to develop infections like AIDS and hepatitis B as these diseases can spread through infected needles.

Morphine is an opiate narcotic. It is the principal opium alkaloid. It is a strong analgesic and also has sedative and calming effect.

Marijuana is extracted from the dried flowers and top leaves of the female hemp plant, Cannabis sativa. It is smoked in cigarettes. It may cause psychosis.

Thea chinensis is tea plant whose dried leaves are used to obtain drug caffeine (tea).

Drug addiction is a common practice in Adolescence. As Adolescence is accompanied by several biological and physiological changes, it is the most vulnerable phase of mental and psychological development of an individual. Curiosity, need for adventure and experimentation motivates youngsters towards Drug and Alcohol abuse.