15. Drugs

15. Drugs

15.1 Drugs
1. define a drug
  Nota:
  - as any substance taken into the body that modifies or affects chemical reactions in the body
15.2 Medicinal drugs
1. describe the use of antibiotics for the treatment of bacterial infection
2. state that some bacteria are resistant to antibiotics
  Nota:
  - which reduces the effectiveness of antibiotics
  1. explain how development of resistant bacteria such as MSA can be minimised
    Nota:
    - limited to using antibiotics only when essential and ensuring treatment is completed
3. explain why antibiotics kill bacteria, but do not affect viruses
15.3 Misused drugs
1. describe the effects of excessive alcohol consumption and abuse of heroin
  Nota:
  - limited to: - powerful depressant drugs - effect on reaction times and self-control -addiction and withdrawal symptoms -negative social implications, e.g.crime Explain how heroin affects the nervous system, limited to its effect on the function of synapses
2. state that injecting heroin can cause infections such as HIV
3. state that excessive alcohol consumption can cause liver damage
  1. state that the liver is the site of break down of alcohol and other toxins
4. state that tobacco smoking can cause...
  1. chronic obstructive pulmonary disease (COPD)
  2. lung cancer
    1. discuss the evidence for the link between smoking and lung cancer
  3. coronary heart disease
5. discuss the use of hormones to improve sporting performance
  Nota:
  - limited to testosterone and anabolic steroids
6. describe the effects on the gas exchange system of tobacco smoke and its major components
  Nota:
  - limited to carbon monoxide, nicotine and tar

Siguiente

Descripción

Resumen del Recurso

Similar

	Creado por Brigitte Bunge hace más de 3 años