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Q. No.Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of:
1. Inspiratory Reserve Volume
2. Tidal Volume
3. Expiratory Reserve Volume
4. Residual Volume
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
86%
From NCERT
NEET - 2017
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Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?
| 1. | Inflammation of bronchioles; decreased respiratory surface |
| 2. | Increased number of bronchioles; increased respiratory surface |
| 3. | Increased respiratory surface; inflammation of bronchioles |
| 4. | Decreased respiratory surface; inflammation of bronchioles |
Subtopic: Respiratory Disorders: Part 1 | Respiratory Disorders: Part 2 |
87%
From NCERT
NEET - 2018
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The partial pressure of oxygen in the alveoli of the lungs is:
1. equal to that in the blood
2. more than that in the blood
3. less than that in the blood
4. less than that of carbon dioxide
Subtopic: Respiratory System: Exchange of Gases |
87%
From NCERT
NEET - 2016
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Match the items given Column I with those in Column II and select the correct option given below:
| Column I | Column II | ||
| (a) | Tidal volume | (i) | 2500-3000 mL |
| (b) | Inspiratory Reserve | (ii) | 1100-1200 mL volume |
| (c) | Expiratory Reserve | (iii) | 500-550 mL volume |
| (d) | Residual volume | (iv) | 1000-1100 mL |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iii) | (ii) | (i) | (iv) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (i) | (iv) | (ii) | (iii) |
| 4. | (iv) | (iii) | (ii) | (i) |
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
85%
From NCERT
NEET - 2018
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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: Respiratory System: Trachea & Basic Anatomy of Lung |
59%
From NCERT
NEET - 2016
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Reduction in pH of blood will?
1. reduce the blood supply to the brain
2. decrease the affinity of hemoglobin with oxygen
3. release bicarbonate ions by the liver
4. reduce the rate of heartbeat
2. decrease the affinity of hemoglobin with oxygen
3. release bicarbonate ions by the liver
4. reduce the rate of heartbeat
Subtopic: Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
87%
From NCERT
NEET - 2016
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Name the chronic respiratory disorder caused mainly by cigarette smoking?
1. asthma
2. respiratory acidosis
3. respiratory alkalosis
4. emphysema
2. respiratory acidosis
3. respiratory alkalosis
4. emphysema
Subtopic: Respiratory Disorders: Part 2 |
94%
From NCERT
NEET - 2016
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Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.
1. Pleurisky
2. Emphysema
3. Pneumonia
4. Asthma
Subtopic: Respiratory Disorders: Part 2 |
89%
From NCERT
NEET - 2015
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Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs:
| 1. | as bicarbonate ions |
| 2. | in the form of dissolved gas molecules |
| 3. | by binding to R.B.C |
| 4. | as carbamino-haemoglobin |
Subtopic: Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
87%
From NCERT
AIPMT - 2014
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The figure shows a diagrammatic view of the human respiratory system with labels A, B, C, and D. Select the option that gives the correct identification, main function, and/or characteristics:
| 1. | B-pleural membrane- surrounds ribs on both sides to provide cushion against rubbing. |
| 2. | C-alveoli-thin walled vascular bag-like structures for the exchange of gases. |
| 3. | D-lower end of the lungs-diaphragm pulls it down during inspiration. |
| 4. | A trachea-long tube supported by complete cartilaginous rings for conducting inspired air. |
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
76%
From NCERT
AIPMT - 2013
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