SATHEE: Breathing and Exchange of Gases Question 4

Breathing and Exchange of Gases Question 4

4. Tidal volume and Expiratory reserve volume of an athlete is $500 m L$ and $1000 m L$ respectively. What will be his Expiratory capacity if the residual volume is $1200 m L$ ?

(a) $1500 m L$

(b) $1700 m L$

(c) $2200 m L$

(d) $2700 m L$

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Answer : a

Hints & Solution

(a) Expiratory capacity is the total volume of air that a person can expire after a normal inspiration. this includes tidal volume and expirtory reserve volume (TV + ERV).
Tidal volume of an athelete $= 500 m l$ Expiratory reserve volume of an athelete $= 1000 m l$
Expiratory capacity $= T V + E R V$
$= 500 + 1000$
$= 1500 m l$

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Breathing and Exchange of Gases Question 4

4. Tidal volume and Expiratory reserve volume of an athlete is 500mL and 1000mL respectively. What will be his Expiratory capacity if the residual volume is 1200mL ?

Answer : a

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4. Tidal volume and Expiratory reserve volume of an athlete is $500 m L$ and $1000 m L$ respectively. What will be his Expiratory capacity if the residual volume is $1200 m L$ ?