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Q.

Given below are two statements.

Statement I: Total lung capacity is the total volume of air accommodated in the lungs at the end of a forced inspiration. 

Statement II: Total lung capacity = inspiratory capacity + functional residual capacity.

In light of the above statements, choose the correct answer from the options given below. 

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a

Statement I is incorrect but statement II is correct. 

b

Both statement I and statement II are correct.

c

Statement I is correct but statement II is incorrect.

d

Both statement I and statement II are incorrect.

answer is A.

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Detailed Solution

Total Lung Capacity (TLC) is the total volume of air accommodated in the lungs at the end of a forced inspiration. 

TLC = RV + ERV + TV + IRV

Since RV+ERV=FRC and TV+IRV=IC,

TLC = FRC + IC

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