List I | List II | ||
1. | Expiratory capacity | I. | Expiratory reserve volume + Tidal volume + Inspiratory reserve volume |
2. | Functional residual capacity | II. | Tidal volume + Expiratory reserve volume |
3. | Vital capacity | III. | Tidal volume + Inspiratory reserve volume |
4. | Inspiratory capacity | IV. | Expiratory reserve volume + Residual volume |
A. | Diffusion of gases across alveolar membrane |
B. | Diffusion of gases between blood and tissues |
C. | Transport of gases by blood |
D. | \(O_2\) by the cells for catabolic reactions | Utilisation of
E. | Breathing or pulmonary ventilation |
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 |
Assertion (A): | During the transporation of gases, about 20-25 percent of CO2 is carried by haemoglobin as carbamino-haemoglobin. |
Reason (R): | This binding is related to high pCO2 and low pO2 in the tissues |
1. | (A) is True but (R) is False. |
2. | (A) is False but (R) is True. |
3. | Both (A)and (R) are True and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
(A) | Diffusion of gases (O2 and CO2) across alveolar membrane. |
(B) | Diffusion of O2 and CO2 between blood and tissues |
(C) | Transport of gases by the blood |
(D) | Pulmonary ventilation by which atmospheric air is drawn in and CO2 rich alveolar air is released out. |
(E) | Utilisation of O2 by the cells for catabolic reactions and resultant release of CO2 |
1. | (D), (A), (C), (B), (E) | 2. | (C), (B), (A), (E), (D) |
3. | (B), (C), (E), (D), (A) | 4. | (A), (C), (B), (E), (D) |
Under normal physiological conditions in human being every 100 ml of oxygenated blood can deliver _____________ml of O2 to the tissues.
1. 10 ml
2. 2 ml
3. 5 ml
4. 4 ml
1. | Provides surface for diffusion of O2 and CO2 |
2. | It clears inhaled air from foreign particles |
3. | Inhaled air is humidified |
4. | Temperature of inhaled air is brought to body temperature |
Which of the following disorders represents decrease in respiratory surface due to damaged alveolar walls?
1. Hypocapnia
2. Bronchitis
3. Asthma
4. Emphysema