Which of the following is not supported by cartilaginous rings
(1)Primary bronchioles
(2)tertiary bronchioles
(3)tracheae
(4)alveoli

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 88%
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Which of the following comprise the lungs
(1)tracheae along with network of bronchi, bronchioles and alveoli
(2) network of bronchi, bronchioles and alveoli
(3)alveoli only
(4)Both A and B

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 53%
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Lungs are covered by a double layered membrane which is called
(1)Pleural membrane
(2)visceral membrane
(3)pulmonary membrane
(4)parietal membrane

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 97%
From NCERT
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Which of the following is true about pleural membranes except
(1)outer pleural membrane is in close contact with the thoracic lining
(2)inner pleural membrane is in contact with the lung surface
(3)pleural fluid is present between them
(4)It increases friction on the lung surface

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 89%
From NCERT
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Which of the following constitute the exchanging part of the respiratory system
(1) external nostrils to trachea
(2) external nostrils to primary bronchioles
(3)Respiratory bronchioles to alveoli
(4)external nostrils to terminal bronchioles

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 88%
From NCERT
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Which of the following is the function of the conducting part of the respiratory system?
(1)clears the foreign particle
(2)humidifies air
(3)brings air to body temperature
(4)All of these

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 99%
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How many of the following are steps of respiration
Pulmonary respiration, diffusion, transport of gases, energy production,
(1)4
(2)3
(3)2
(4)1

Subtopic:  Respiratory System: Exchange of Gases |
 67%
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During inspiration which of the following events takes place
(1)Diaphragm and external intercostal muscles contracts
(2) Diaphragm and internal intercostal muscles relax
(3)Intra Pleural pressure is less than atmospheric pressure
(4)Both A and C

Subtopic:  Respiratory System: Pulmonary Ventilation |
 85%
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During expiration which of the following events takes place
(1)Diaphragm and external intercostal muscles contracts
(2) Diaphragm and external intercostal muscles relax
(3)Inter Pleural pressure is less than atmospheric pressure
(4)Both A and C

Subtopic:  Respiratory System: Pulmonary Ventilation |
 86%
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During inspiration there is __________pressure in the lungs with respect to atmospheric pressure.
(1)positive
(2)negative
(3)neither positive nor negative
(4)All of these

Subtopic:  Respiratory System: Pulmonary Ventilation |
 94%
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