OCR Unit 2 Biology The effects of smoking

A little quiz to help final knowledge. Maybe a couple of days before your exams?

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1. what is smokers cough

  • The irriation of the alveoli due to the tar lining them
  • One of the frequent infections brought on by mucus capturing bacteria that is trapped in place by the tar
  • an attempt to shift the bacteria laden mucus in the airways, caused by irritation of the airways
  • a form of the flu
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2. tar .....

  • settles on the airways and alveoli
  • blocks the blood vessels
  • decreases the diffusion distance for o2 and co2

3. How does tar effect cilia

  • paralyses or kills them
  • makes them grow
  • turns them into goblet cells
  • infects them, turning them into cancerous cells

4. Name the three main harmful substances in tobacco smoke

  • nicotine, carbon monoxide , cement
  • nicotine, carbon monoxide,tar
  • carbon dioxide, tar , nicotine
  • cement, carbon dioxide , sugar

5. Chronic obstructive pulmonary disease is

  • a form of cancer
  • a combo of diseases such as emphysema and asthma
  • Just a cough
  • when the tar from smoke blocks you airways completely, and starts poisoning the air entering your lungs

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