Prac 4

Question 1

Explain what is meant by the terms ATPS, BTPS and STPD. Note that you are NOT required to calculate conversion factors between these parameters in the exam but understand the importance of them.

Answer 1

ATPS-(Volume at Ambient Temperature and pressure saturated)
BTPS-(Volume at Body Temperature and Pressure saturated)
STPD-(Volume at standard)

Question 2

Calculate pulmonary ventilation, alveolar ventilation, dead space volume, respiratory rate, tidal volume, FEV1 and FVC and understand what changing these parameters may have on lung function.

Answer 2

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Question 3

Calculate pulmonary ventilation, alveolar ventilation, dead space volume, respiratory rate, tidal volume, FEV1 and FVC and understand what changing these parameters may have on lung function.

Answer 3

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Question 4

Describe the effects of different gas mixtures on breath holding time and what driving factors affect breath holding.

Answer 4

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