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Solution


Q.

Dead space air in man is
 a) 500 mL               b) 150 mL                  c) 250 mL                d) 1.5 mL
1 A
2 B
3 C
4 D

Ans.

(b) Dead space is the air that inhaled by the body in breathing but does not take part in gas exchange. In man, it is 150 mL.