Q.Read the following four statements (a-d) and select the option which includes all correct ones only :- (a) Exchange of O2 and CO2 at alveoli and tissue occur by active transport. (b) Long exposure to industrial dust leads to inflammation leading to fibrosis and thus causing serious lung damage. (c) EICM and IICM are muscles actively involved in normal and forced breathing respectively. (d) Spirometer is unable to find out the functional residual capacity and total lung capacity. (1) b, c and d (2) b and d (3) a, b and d (4) a, b, c and d.
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Answer-(1)
(b) Long exposure to industrial dust leads to inflammation leading to fibrosis and thus causing serious lung damage.
(c) EICM and IICM are muscles actively involved in normal and forced breathing respectively.
(d) Spirometer is unable to find out the functional residual capacity and total lung capacity.
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