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Exam (elaborations)

GMS6402 Pulmonary Final Questions and Answers (100% Pass

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  • GMS 6402
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  • GMS 6402

What is Atmospheric O2? → 160 mmHg What is Inspired O2? → 150 mmHg What is Alveolar O2? → 100 mmHg What is Arterial O2 (PaO2)? → 100 mmHg What is Arterial CO2 (PaCO2)? → 40 mmHg What is the formula for compliance? 1 | P a g e | © copyright 2024/2025 | Grade A+ Master01 | Sept...

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  • September 25, 2024
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1 | P a g e | © copyright 2024/2025 | Grade A+



GMS6402 Pulmonary Final Questions
and Answers (100% Pass)
What is Atmospheric O2?


→ 160 mmHg




What is Inspired O2?


→ 150 mmHg




What is Alveolar O2?


→ 100 mmHg




What is Arterial O2 (PaO2)?


→ 100 mmHg




What is Arterial CO2 (PaCO2)?


→ 40 mmHg




What is the formula for compliance?



Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+


→ C = deltaV / deltaP


change in lung volume/ change in pressure




The vast majority of the total surface area of the lung is found in the


→ alveoli




All of the following can be measured via spirometry EXCEPT: tidal volume,

vital capacity, functional residual capacity, inspiratory capacity, expiratory

reserve volume


→ Functional residual capacity




Briefly describe how the radii of the various tubes change as we move from

the trachea to the alveoli


→ The radii of the tubules decrease due to shredding of

epithelial cells. Conducting zones (g0-16) are surrounded by

columnar or cuboidal epithelia, thick layers of cartilage, and

smooth muscle. Respiratory zones (g17-23) are surrounded by

type I and II epithelia. The absence of columnar/cuboidal

epithelia, cartilage and smooth muscle results in a much

smaller radius.



Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+




What is the Transpulmonary pressure if pleural pressure is -7 cm H2O and

alveolar pressure is -3 cm H2O?


→ +4 cm H2O




A lung compliance test indicates that a 3 cm H2O change in thanspulmonary

pressure generates a 0.9 L change in lung volume. What is this patient's lung

compliance?


→ 0.3 L air/cm H2O




Airway resistance across a set of airways is lowest under which of the

following conditions?


-airway radius is large and the length of the tube is large


-airway radius is large and the length of the tube is small


-airway radius is small and airways are in series.


-airway radius is small and airways are in parallel.


-airway radius is large and gas viscosity is increased


→ airway radius is large and the length of the tube is small




Master01 | September, 2024/2025 | Latest update

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