Question

tunci caseueriedse)? which 8. What is compliance? Reduced by devenerative lung diseases the lungs are stiffened by scar tissue -10..What is surfactant? Reduces surfaces tension of water, 9..What kinds of things alter lung compliance? 11. How does it influence surface tension in the alveoli? 12. What would happen without surfactant? 13. What structures control the rate and depth of breathing (think CNS respiratory centers). Briefly describe their action? 14..Between 02 and CO2, which is more important in terms of stimulation of breathing? Why?

Answer 1

Q.8- Compliance- "It is tha ability of hollow organs i.e.vessel to distend and increase volume with increasing tendancy of a hollow oragan to resist reciol towards its original dimention."

Q.9- Lung Compliance- " The ability of lungs to strech or expand in a change in pulmonary volume relative to an applied change in pressure."

Q.10- Lung Compliance- " These are compounds that lower the surface tenstion between the two liquids or between the gas and liquid or between solid and liquid"

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