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Q. No.Name the cavities in which the lungs are located:
1. pleural and abdominal cavities.
2. pericardial and thoracic cavities.
3. pleural and thoracic cavities.
4. pleural and pericardial cavities.
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
85%
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A minimal amount of pleural fluid present in the pleural cavity:
| 1. | provides a medium for the exchange of respiratory gases |
| 2. | reduces friction between the visceral and parietal pleurae |
| 3. | provides lubrication for movements of the diaphragm |
| 4. | permits the exchange of electrolytes during respiration |
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
92%
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During deglutition, the food is prevented from entering into the larynx by the cartilaginous:
| 1. epiglottis | 2. glottis |
| 3. aryepiglottic fold | 4. laryngeal prominence |
Subtopic: Respiratory System: Upper Respiratory Tract |
93%
From NCERT
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Most of the aquatic arthropods respire through:
| 1. diffusion over entire body surface | 2. gills |
| 3. tracheae and tracheoles | 4. skin |
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
77%
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The trachea divides into a right and a left primary bronchus at the level of:
1. 2nd thoracic vertebra
2. 3rd thoracic vertebra
3. 5th thoracic vertebra
4. 12th thoracic vertebra
1. 2nd thoracic vertebra
2. 3rd thoracic vertebra
3. 5th thoracic vertebra
4. 12th thoracic vertebra
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
95%
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The alveoli are lined with:
1. Simple cuboidal epithelium
2. Pseudo-stratified columnar ciliated epithelium
3. Transitional epithelium
4. Simple squamous epithelium
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
86%
From NCERT
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Branchial respiration is seen in all the following except:
| 1. Aquatic arthropods | 2. Fishes |
| 3. Amphibians like frog | 4. Aquatic mollusks |
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
57%
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The conducting part of the human respiratory system is not involved in:
| I: | clearing inhaled air from foreign particles |
| II: | humidifying the exhaled air |
| III: | bringing the air to a temperature higher than body temperature |
| 1. | Only I | 2. | Only II and III |
| 3. | Only I and II | 4. | I, II and III |
Subtopic: Respiratory System: Upper Respiratory Tract |
68%
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Incomplete cartilaginous rings are seen in the walls of all the following except:
| 1. Trachea | 2. Primary bronchus |
| 3. Tertiary bronchus | 4. Respiratory bronchiole |
Subtopic: Respiratory System: Trachea & Basic Anatomy of Lung |
80%
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Consider the following two statements:
| I: | The lungs are situated in the thoracic chamber which is anatomically an air-tight chamber. |
| II: | This arrangement is essential as we cannot directly alter the thoracic volume. |
| 1. | Both I and II are correct and II correctly explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is correct and II is incorrect |
| 4. | Both I and II are incorrect |
Subtopic: Respiratory System: Pulmonary Ventilation |
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