Lung volumes and capacities — practice questions

Question 1 · difficulty L1 · recall

What is the approximate tidal volume of a healthy adult during normal quiet breathing?

• A. 3000 mL
• B. 1200 mL
• C. 500 mL
• D. 4500 mL

Question 2 · difficulty L2 · understanding

The approximate normal tidal volume of an adult human:

• A. 500 mL
• B. 1200 mL
• C. 3000 mL
• D. 5000 mL

Question 3 · difficulty L2 · understanding

Total lung capacity equals:

• A. tidal volume + expiratory reserve only
• B. vital capacity + residual volume
• C. residual volume alone
• D. inspiratory reserve + tidal volume

Question 4 · difficulty L2 · understanding

Vital capacity equals:

• A. IRV + TV + ERV
• B. TV + RV
• C. IRV + RV
• D. ERV + RV only

Question 5 · difficulty L2 · understanding

Which lung capacity equals tidal volume plus inspiratory reserve volume?

• A. Total lung capacity
• B. Vital capacity
• C. Functional residual capacity
• D. Inspiratory capacity

Question 6 · difficulty L3 · understanding

Vital capacity is the sum of which of the following respiratory volumes?

• A. Tidal volume, inspiratory reserve volume and expiratory reserve volume
• B. Tidal volume, inspiratory reserve volume and residual volume
• C. Tidal volume, expiratory reserve volume and residual volume
• D. Inspiratory reserve volume, expiratory reserve volume and residual volume

Question 7 · difficulty L3 · understanding

$$\text { Match List-I with List-II. }$$ List-I (Respiratory Volume) List-II (Capacity in mL ) A. ERV (Expiratory Reserve Volume) I. $2500-3000 \mathrm{~mL}$ B. RV (Residual Volume) II. $500 \,\,mL$ C. IRV (Inspiratory Reserve Volume) III. $1000-1100 \mathrm{~mL}$ D. TV (Tidal Volume) IV. $1100-1200 \mathrm{~mL}$ Choose the correct answer from the options given below :

• A. A-III, B-IV, C-I, D-II
• B. A-III, B-I, C-IV, D-II
• C. A-I, B-III, C-II, D-IV
• D. A-I, B-II, C-III, D-IV

Question 8 · difficulty L3 · understanding

Match List-I with List-II: List - I List - II (A) Residual Volume (I) Maximum volume of air that can be breathed in after forced expiration (B) Vital Capacity (II) Volume of air inspired or expired during normal respiration (C) Expiratory Capacity (III) Volume of air remaining in lungs after forcible expiration (D) Tidal Volume (IV) Total volume of air expired after normal inspiration Choose the correct answer from the options given below:

• A. A-IV, B-III, C-II, D-I
• B. A-II, B-IV, C-I, D-III
• C. A-III, B-I, C-IV, D-II
• D. A-I, B-II, C-III, D-IV

Question 9 · difficulty L3 · understanding

Match List I with List II: List - I List - II A. Expiratory capacity I. Expiratory reserve volume + Tidal volume + Inspiratory reserve volume B. Functional residual capacity II. Tidal volume + Expiratory reserve volume C. Vital capacity III. Tidal volume + Inspiratory reserve volume D. Inspiratory capacity IV. Expiratory reserve volume + Residual volume Choose the correct answer from the options given below :

• A. A-II, B-IV, C-I, D-III
• B. A-III, B-II, C-IV, D-I
• C. A-II, B-I, C-IV, D-III
• D. A-I, B-III, C-II, D-IV

Question 10 · difficulty L3 · understanding

Vital capacity of lung is ________.

• A. IRV + ERV + TV + RV
• B. IRV + ERV + TV – RV
• C. IRV + ERV + TV
• D. IRV + ERV