Which of the following volume of air cannot be measured by respirometer?
| 1. | IRV | 2. | ERV |
| 3. | RV | 4. | Both A and B |
Volume of air which does not participate in gaseous exchange is
| 1. | Residual volume | 2. | Dead space air |
| 3. | Tidal volume | 4. | Both A and B |
The volume of air expired normally after forceful inspiration
(1)TV+ IRV
(2)TV+ERV
(3)TV
(4)None of these
The volume of air expired forcefully after normal inspiration
| 1. | TV+ IRV | 2. | TV+ERV |
| 3. | TV | 4. | None of these |
Most of the aquatic arthropods respire through:
1. diffusion over entire body surface
2. gills
3. tracheae and tracheoles
4. skin
Regarding pulmonary capacities, the maximum volume of air a person can breathe in after a forced expiration can also be defined as:
| 1. | Total volume of air a person can inspire or expire after a normal inspiration or expiration |
| 2. | Volume of air that will remain in the lungs after a normal expiration |
| 3. | Maximum volume of air a person can breathe out after a forced inspiration |
| 4. | Total volume of air accommodated in the lungs at the end of a forced inspiration |
Which of the following will not be equal in normal physiological conditions?
| 1. | Partial pressure of oxygen in deoxygenated blood and partial pressure of oxygen in tissues |
| 2. | Partial pressure of carbon dioxide in alveoli and partial pressure of carbon dioxide in oxygenated blood |
| 3. | Partial pressure of oxygen in oxygenated blood and partial pressure of oxygen in alveoli |
| 4. | Partial pressure of carbon dioxide in tissues and partial pressure of carbon dioxide in deoxygenated blood |
Under normal physiological conditions, what amount of oxygen is delivered to the tissues?
1. 4 ml
2. 5 ml
3. 15 ml
4. 20 ml
Identify the incorrect statement regarding the enzyme cabonic anhydrase:
(1) RBCs contain a very high concentration of this enzyme
(2) The enzyme is absent in the plasma
(3) It facilitates the reaction catalyzed in both directions
(4) It is a metalloenzyme
Pulmonary fibrosis is a pathological hallmark of:
(1) Chronic obstructive lung disease
(2) Bronchial asthma
(3) Viral Pneumonia in children
(4) Occupational lung diseases