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6. Are there 3 functions are there of the respiratory system?

  • False
  • True

7. Internal respiration occurs in the lungs

  • false
  • True

8. 98.5 % of oxygen is carried in the plasma in the blood

  • false
  • true

9. The hilum is the entry point of the blood vessels into the lungs

  • True
  • False

10. Total lung capacity is 4000mls

  • False
  • True

11. Does the pulmonary arteries carry oxygenated blood away from the heart?

  • False
  • True

12. A decrease in pH causes more oxygen to be released from haemoglobin

  • True
  • False

13. If a person is breathing they have 100% ventilation

  • false
  • true

14. Tidal volume (amount of air which passes in and out of the lungs on quiet breathing) is 500mls

  • True
  • False

15. Air is warmed or cooled to body temperature, moistened and filtered by the nose and nasal cavity

  • True
  • False

16. Morphine and barbituates can increase respiratory rate

  • False
  • True

17. Cheyne-stokes breathing is characterised as alternating periods of aponea and deep rapid breathing.

  • True
  • False

18. The pnemotaxic area steps in to stop inspiration an brings on expiration

  • True
  • False

19. The left lung has 3 lobes

  • false
  • true

20. Stridor sounds like a bubbling sound

  • False
  • True