EXAM 2025 QUESTIONS AND ANSWERS
What is the primary function of the lungs? - ANS 1. Oxygenation of mixed venous blood.
2. Removal of carbon dioxide from mixed venous blood.
Primary function depends on the integrity of 4 things: - ANS 1. Airway
2. Pulmonary vasculature
3. Respiratory muscles
4. Respiratory control mechanism
PFTs help determine 7 things: - ANS 1. Presence of disease or abnormal lung function.
2. Extent of dysfunction.
3. Extent of impairment/disability
4. Progression of disease.
5. Nature of physiological disturbance.
6. Effect or course of therapy.
7. Aid clinical prognosis.
Common PFTs - ANS 1. Spirometry
2. Diffusing capacity
3. Body plethysmography
4. Bronchial provocation
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