BMS1032 respiratory example Q's

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1. the dorsal respiratory group...

  • is responsible for fine tuning expiration
  • controls the contraction of the diaphragm and external intercostals
  • controls the contraction of the accessory muscles of ventilation
  • is responsible for fine tuning inspiration
  • controls forces exhalation
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2. place the following structures in order in which air passes through them:

  • 1' bronchi, 2' bronchi, bronchioles, terminal bronchioles, alveoli
  • alveoli, bronchioles, 1', 2', terminal
  • terminal, 1', 2' alveoli, bronchioles
  • bronchioles, 1' bronchi, 2' bronchi, alveoli, terminal bronchi

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

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

4. in quiet breathing....

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

5. the lungs are enclosed in______ membranes:

  • pulmonary
  • thoracic
  • pleural
  • pericardial
  • costal


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