Zusammenfassung der Ressource
B1: Drugs and You
- Types of Drugs
- Class A are most dangerous
and Class C are least
dangerous.
- Depressants- alcohol, solvents, temazepam.
- Block transmission of nerve impulses
across synapse by binding with
recepetor molecules in membrane of
receiving neurone.
- Painkillers- aspirin, paracetamol
- Stimulants- nicotine, MDMA, caffeine
- Cause more neurotransmitter substances to cross synapses.
- Performance Enhancers- anabolic steroids
- Hallucinogens- LSD
- Effects of Smoking
- Cigarette smoke contains many chemicals
the stop cilia moving
- Cilia are found in the epithelial
lining in the trachea, bronchi and
bronchioles.
- Smokers cough- dust and particles in cigarette
smoke collect and irritate the epithelial lining.
- Mucus not moved by Cilia
- Effects of alcohol
- measured in units
- Increases reactions
times and risk of
accidents.
- Liver is damaged when breaking
down alcohol- Liver Cirrhosis