Advertisements
Advertisements
प्रश्न
State the mode of action of cocaine on the human body. Write the scientific name of the source plant it is obtained from.
उत्तर
Coca alkaloid or cocaine is obtained from the coca plant Erythroxylum coca, native to South America. It interferes with the transport of the neurotransmitter dopamine. It has a potent stimulating action on the central nervous system, producing a sense of euphoria and increased energy. An excessive dosage of cocaine causes hallucinations.
APPEARS IN
संबंधित प्रश्न
The Avena curvature is used for bioassay of ______.
Heroin is ______
Which of the following drug is taken by sports person?
'Smack' is a drug obtained from the ______.
Do you consider passive smoking is more dangerous than active smoking? Why?
The outline structure of a drug is given below.
- Which group of drugs does this represent?
- What are the modes of consumption of these drugs?
- Name the organ of the body which is affected by consumption of these drugs.
Why cannabinoids are banned in sports and games?
From which plant cannabiniods are obtained? Name any two cannabinoids. Which part of the body is effected by consuming these substances?
Drugs like LSD, barbiturates, amphetamines, etc., are used as medicines to help patients with mental illness. However, excessive doses and abusive usage are harmful. Enumerate the major adverse effects of such drugs in humans.
The data below shows the concentration of nicotine smoked by a smoker taking 10 puffs/minute.
(a) With reference to the above graph explain the concentration of nicotine in blood at 10 minutes.
(b) How will this affect the concentration of carbon monoxide and haembound oxygen at 10 minutes?
(c) How does cigarette smoking result in high blood pressure and increase in heart rate?
OR
(c) How does cigarette smoking result in lung cancer and emphysema?
