BMS1032 respiratory example Q's

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1. place the following structures in order in which air passes through them:

  • terminal, 1', 2' alveoli, bronchioles
  • 1' bronchi, 2' bronchi, bronchioles, terminal bronchioles, alveoli
  • alveoli, bronchioles, 1', 2', terminal
  • bronchioles, 1' bronchi, 2' bronchi, alveoli, terminal bronchi
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2. the upper respiratory tract includes all except:

  • trachea
  • mouth
  • nasal cavity
  • lungs
  • larynx

3. the partial pressure of oxygen in the cells of peripheral tisses is approx.

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

4. the dorsal respiratory group...

  • controls forces exhalation
  • is responsible for fine tuning inspiration
  • controls the contraction of the diaphragm and external intercostals
  • is responsible for fine tuning expiration
  • controls the contraction of the accessory muscles of ventilation

5. in quiet breathing....

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

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