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 |
 85%
From NCERT
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Which of the following constitute the conduction 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 |
 74%
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 |
 79%
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 |
 97%
From NCERT
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Which of the following is the part of the thoracic chamber
1. ribs and vertebral column
2. diaphragm
3. sternum
4. All of these

Subtopic:  Respiratory System: Pulmonary Ventilation |
 95%
From NCERT
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In the process of respiration how many times the process of diffusion takes place in respiration
1. 4
2. 3
3. 2
4. 1

Subtopic:  Respiratory System: Exchange of Gases |
 62%
From NCERT
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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 |
 93%
From NCERT
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Pressure gradient between the lungs and atmosphere is maintained by
(1)diaphragm

(2)external intercostal muscles

(3)internal intercostal muscles

(4)All of these

Subtopic:  Respiratory System: Pulmonary Ventilation |
 92%
From NCERT
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The volume of air involved in breathing movements can be estimated by using
1. ECG
2. Sphygmomanometer
3. spirometer
4. Barometer

Subtopic:  Respiratory System: Pulmonary Ventilation |
 90%
From NCERT
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Which of the following events happen when air enters lungs
1. Ribs and sternum raised
2. volume of thorax increased
3. Diaphragm contracted
4. All of the above

Subtopic:  Respiratory System: Exchange of Gases |
 97%
From NCERT
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