- 1(current)
Q. No.Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
| 1. | The lungs can be made fully empty by forcefully breathing out all air from them |
| 2. | One can breathe out air totally without oxygen |
| 3. | One can breathe out air through Eustachian tubes by closing both the nose and the mouth. |
| 4. | One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all. |
Subtopic: Â Respiratory System: Pulmonary Ventilation |
 51%
Level 3: 35%-60%
AIPMT - 2011
Hints
Which one of the following statements is incorrect?
| 1. | The residual air in the lungs slightly decreases the efficiency of respiration in mammals |
| 2. | The presence of non-respiratory air sacs increases the efficiency of respiration in birds |
| 3. | In mammals, circulating body fluids serve to distribute oxygen to tissues |
| 4. | The principle of countercurrent flow facilitates efficient respiration in the gills of fishes |
Subtopic: Â Respiratory System: Pulmonary Ventilation |Â Respiratory System: Pulmonary Volumes & Capacities |
Level 3: 35%-60%
AIPMT - 2006
Hints
- 1(current)
Q. No.
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