Expiratory Capacity

Q. Match the column I with column II

	Column I		Column II
A.	IC	I.	EC + IRV
B.	EC	II.	RV + VC
C.	FRC	III.	VC - ERV
D.	VC	IV.	ERV + RV
E.	TLC	V.	TV + ERV

1. A-V, B-II, C-III, D-I, E-IV
2. A-IV, B-III, C-I, D-V, E-II
3. A-III, B-V, C-II, D-IV, E-I
4. A-III, B-V, C-IV, D-I, E-II

Q. The percentage of oxygen in inhaled air is about

1. $79\%$
2. $4\%$
3. $21\%$
4. $16\%$

Q. The maximum volume of air that can be breathed out after normal inspiration is called____________________

1. inspiratory capacity
2. expiratory capacity
3. vital capacity
4. total lung capacity

Q. Total volume of air a person can expire after a normal inspiration which includes tidal volume and expiratory reserve volume (TV+ERV) is called _________________.

1. inspiratory capacity
2. expiratory capacity
3. functional residual capacity
4. none of the above

Q. Match the respiratory capacities to their correct calculations.

1. TV + IRV
2. ERV + IC
3. TV + ERV
4. ERV + RV