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%
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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 |
 98%
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%
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Which of the following is true for diaphragm except
(1)muscular structure

(2)found in all vertebrates

(3)It helps in breathing, urine elimination, and child birth

(4)It is dome shaped in normal condition

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
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Which of the following is true
(1)Right lungs is greater than left lungs

(2)structural and functional unit of lungs is alveoli

(3)lungs are non muscular

(4)All of the above

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 70%
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How many of the following are steps of respiration
Pulmonary ventilation, diffusion, transport of gases, energy production,
(1)4

(2)3

(3)2

(4)1

Subtopic:  Respiratory System: Pulmonary Ventilation | Respiratory System: Exchange of Gases | Respiratory System: Transport of Gases |
 52%
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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%
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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 |
 81%
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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 |
 81%
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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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