Question No:1

Match the following:
1) Tidal Volume A. 2500-3000 ml of air
2) Inspiratory reserve volume B. 1000-1100 ml of air
3) Expiratory reserve volume C. 500 ml of air
4) Residual volume D. 3500-4600 ml of air
5) Vital capacity E. 1100-1200 ml of air

[A] 1-C, 2-D, 3-B, 4-A, 5-E
[B] 1-C, 2-A, 3-B, 4-E, 5-D
[C] 1-C, 2-A, 3-D, 4-E, 5-B
[D] 1-E, 2-A, 3-B, 4-E, 5-D



Question No:2

Total lung capacity is equal to

[A] ERV + TV
[B] IRV+TV
[C] VC + RV
[D] ERV + TV + IRV



Question No:3

Vital capacity is equal to

[A] ERV+TV
[B] IRV+TV
[C] VC+RV
[D] ERV+TV + IRV



Question No:4

EC (expiratory capacity) is equal to

[A] ERV + TV
[B] IRV+TV
[C] VC + RV
[D] ERV+TV + IRV



Question No:5

IC (Inspiratory capacity) is equal to

[A] ERV + TV
[B] IRV+TV
[C] VC + RV
[D] ERV+TV + IRV



Question No:6

Arrange the following in order of increasing volume
1) Tidal volume
2) Residual volume
3) Expiratory reserve volume
4) Inspiratory reserve volume

[A] 1<2<3<4
[B] 1<4<3<2
[C] 1<3<2<4
[D] 1<4<2<3



Question No:7

The largest quantity of air that can be expired after a maximum inspiratory effort is

[A] residual volume
[B] tidal volume
[C] vital capacity
[D] total lung volume



Question No:8

The vital capacity of adult human lungs is equal to

[A] the maximum volume of air a person can breathe out after a forced inspiration
[B] the maximum volume of air a person can breathe in after a forced expiration
[C] ERV + TV + IRV
[D] all



Question No:9

Functional residual capacity can be represented as

[A] TV + ERV
[B] ERV + RV
[C] RV + IRV
[D] ERV + TV + IRV



Question No:10

The volume of air involved in breathing movements can be estimated by using a _____ which helps in clinical assessment of pulmonary functions

[A] osmometer
[B] photometer
[C] spirometer
[D] sphygmomanometer



Question No:11

A spirometer cannot be used to measure

[A] 1C
[B] RV
[C] ERV
[D] IRV



Question No:12

Inspiratory air in lungs ultimately reaches

[A] trachea
[B] alveoli
[C] bronchi
[D] bronchioles



Question No:13

Which is not true?

[A] pCO₂ of deoxygenated blood is 95 mm Hg
[B] pCO₂ of alveolar air is 40 mm Hg
[C] pO₂ alveolar air is 104 mm Hg
[D] pO₂ of oxygenated blood is 95 mm Hg



Question No:14

Which of the following factors affect the rate of diffusion of gases?

[A] Partial pressure/concentration gradient of diffusing gases
[B] Solubility of gases
[C] Thickness of diffusion membrane
[D] All



Question No:15

Lung alveoli of mammals have a thin wall composed of

[A] simple cuboidal epithelium
[B] simple squamous epithelium
[C] stratified cuboidal epithelium
[D] stratified squamous epithelium