BMS1032 respiratory example Q's

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1. pulmonary ventilation referes to:

  • the movement of dissolved gases from the interstitial space to the cells
  • the movement of dissolved gases from the alveoli to the blood
  • the utilisation of oxygen
  • the movement of air into and out of the lungs
  • the movement of dissolved gases from the blood to the interstitial space
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2. the partial pressure of oxygen in the cells of peripheral tisses is approx.

  • 50mmHg
  • 40mmHg
  • 70mmHg
  • 100mmHg
  • 45mmHg

3. in quiet breathing....

  • inspiration and expiration are both passive processess
  • inspiration and expiration involve muscular contractions
  • none of the above
  • inspiration involves muscular contractions and expiration is passive
  • inspiration is passive and expiration involves muscular contraction

4. the upper respiratory tract includes all except:

  • trachea
  • larynx
  • lungs
  • nasal cavity
  • mouth

5. most of the co2 in the blood is transported as:

  • solute dissolved in the plasma
  • carbonic acid
  • as bicabonate ions in the plasma
  • bicarbonate ions in the cytoplasm of RBC
  • carbaminohaemoglobin

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