Q11 of 32 Page 96

CO2 dissociates from carbaminohaemoglobin when

CO2 dissociates from carbaminohaemoglobin when pO2 is high and pCO2 is low .

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9

Incidence of Emphysema – a respiratory disorder is high in cigarette smokers. In such cases

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Respiratory process is regulated by certain specialized centres in the brain. One of the following centres can reduce the inspiratory duration upon stimulation

 12

In breathing movements, air volume can be estimated by

 13

From the following relationships between respiratory volume and capacities and mark the correct answer

i. Inspiratory capacity (IC) = Tidal Volume + Residual Volume


ii. Vital Capacity (VC) = Tidal Volume (TV) + Inspiratory Reserve Volume (IRV) + Expiratory Reserve Volume (ERV).


iii. Residual Volume (RV) = Vital Capacity (VC) – Inspiratory Reserve Volume (IRV)


iv. Tidal Volume (TV) = Inspiratory Capacity (IC) – Inspiratory Reserve Volume (IRV) Options: