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Q. No.Residual volume in lungs:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Prevents Lung Collapse |
| II: | Facilitates Gas Exchange |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Respiratory System: Pulmonary Volumes & Capacities |
Level 3: 35%-60%
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Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because?
| 1. | there is a negative pressure in the lungs |
| 2. | there is a negative intrapleural pressure pulling at the lung walls |
| 3. | there is a positive intrapleural pressure |
| 4. | pressure in the lungs is higher than the atmospheric pressure |
Subtopic: Â Respiratory System: Trachea & Basic Anatomy of Lung |
 58%
Level 3: 35%-60%
NEET - 2016
Hints
Consider the given two statements:
| Assertion (A): | The thoracic chamber, being airtight, is critical for breathing. |
| Reason (R): | Movement of rib cage can bring about inhalation and exhalation. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Respiratory System: Trachea & Basic Anatomy of Lung |
Level 3: 35%-60%
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Given below are two statements:
| Assertion (A): | Conducting part transports the atmospheric air to alveoli, clears it from foreign particles, humidifies it and also brings the air to body temperature. |
| Reason (R): | The part of the respiratory system starting with the external nostrils upto terminal bronchioles constitutes the conducting part, whereas the alveoli from respiratory part. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Respiratory System: Upper Respiratory Tract |
Level 3: 35%-60%
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The heart, trachea, esophagus and associated structures are located in the space between the two lungs called as:
1. mediastinum
2. pleural cavity
3. thoracic cavity
4. parietal cavity
1. mediastinum
2. pleural cavity
3. thoracic cavity
4. parietal cavity
Subtopic: Â Respiratory System: Trachea & Basic Anatomy of Lung |Â Respiratory Organs |
Level 3: 35%-60%
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Consider the two statements:
1. Statement I is correct: Statement II is incorrect
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
| Statement I: | The alveoli have ciliated cells in them to help expel dust particles that make it this far down into the respiratory tract. |
| Statement II: | Gas exchange between the lungs and the blood, and between the blood and tissue fluid, is an active transport process. |
1. Statement I is correct: Statement II is incorrect
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
Subtopic: Â Respiratory System: Trachea & Basic Anatomy of Lung |
 54%
Level 3: 35%-60%
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Exhalation of air from the lungs can be brought about by:
1. Only I and II
2. Only II
3. Only I and III
4. Only III
| I: | Contraction of diaphragm |
| II: | Contraction of internal intercostal muscles |
| III: | Contraction of external intercostal muscles |
2. Only II
3. Only I and III
4. Only III
Subtopic: Â Mechanism of Breathing |
 53%
Level 3: 35%-60%
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A person exhales forcefully, pushing out all the air he can. If he then breathes in quietly and normally, without making an extra effort, what volume of air will he inhale?
(TV: Tidal Volume; IRV: Inspiratory Reserve Volume; ERV: Expiratory Reserve Volume)
1. TV + IRV
2. TV only
3. TV + ERV
4. TV+IRV+ ERV
(TV: Tidal Volume; IRV: Inspiratory Reserve Volume; ERV: Expiratory Reserve Volume)
1. TV + IRV
2. TV only
3. TV + ERV
4. TV+IRV+ ERV
Subtopic: Â Respiratory System: Pulmonary Volumes & Capacities |
Level 4: Below 35%
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At 40 mm Hg partial pressure of oxygen, the percentage saturation of haemoglobin with oxygen is expected to be about:
1. 50 %
2. 75 %
3. 95 %
4. 99 %
1. 50 %
2. 75 %
3. 95 %
4. 99 %
Subtopic: Â Respiratory System: Exchange of Gases |
 59%
Level 3: 35%-60%
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Consider the two statements:
1. Statement I is correct: Statement II is incorrect
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
| Statement I: | The respiratory membrane has one layer - the simple squamous epithelium of the alveoli. |
| Statement II: | Oxygen diffuses faster from carbon dioxide across the respiratory membrane. |
2. Statement I is incorrect: Statement II is correct
3. Statement I is correct: Statement II is correct
4. Statement I is incorrect: Statement II is incorrect
Subtopic: Â Respiratory System: Exchange of Gases |
 63%
Level 2: 60%+
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