Which of the following is a respiratory disease? 
 
1. Polio  2. Arthritis 
3. Asthma 4. Cancer

Subtopic:  Respiratory Disorders: Part 1 |
 97%
Level 1: 80%+
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After a deep inspiration and maximum expiration, the capacity of lungs is known as
 
1. vital capacity 2. tidal volume
3. IRV 4. ERV 
Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
 80%
Level 1: 80%+
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Inspiration is initiated by:
1. the contraction of diaphragm
2. the relaxation of diaphragm
3. the contraction of external intercostals
4. the contraction of internal intercostals
Subtopic:  Respiratory System: Pulmonary Ventilation |
 82%
Level 1: 80%+
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Which of the following structures is not supported by incomplete cartilaginous rings? 
 
1. Trachea 
2. Secondary bronchi 
3. Terminal Bronchioles 
4. Primary bronchi 
Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 76%
Level 2: 60%+
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Lungs have a large number of alveoli for 
1. Having spongy texture and proper shape 
2. More surface area for diffusion of gases 
3. More space for increasing volume of inspired air 
4. More nerve supply 
Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
 88%
Level 1: 80%+
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Binding of oxygen with haemoglobin is primarily related to which of the following factors? 
 
1. Partial pressure of \(CO_2\)
2. Partial pressure of \(O_2\)
3. Hydrogen ion concentration 
4. Temperature 
Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
 89%
Level 1: 80%+
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Select the correct option w.r.t. transport of respiratory gases through blood and its components 
1. Plasma as well as RBCs transport both oxygen and \(CO_2\)
2. WBCs as well as RBCs transport both oxygen and \(CO_2\)
3. Plasma transport \(CO_2\) and RBCs transport oxygen only 
4. WBCs transport \(CO_2\) and RBCs transport oxygen only 
Subtopic:  Respiratory System: Transport of Gases |
 90%
Level 1: 80%+
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Select the last step involved in respiration 
1. Diffusion of gases 
2. Breathing 
3. Utilisation of \(O_2\) by body cells and resultant release of \(CO_2\)
4. Transport of gases
Subtopic:  Respiratory System: Exchange of Gases | Respiratory System: Regulation of Respiration |
 88%
Level 1: 80%+
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Partial pressure for oxygen and \(CO_2\) is represented as 
1. \(pO\) and \(pCO\)
2. \(P_o \text {and}~ P_{CO_2}\)
3. \(pO_2 ~\text {and} ~pCO_2\)
4. \(O_2p ~\text {and} ~CO_2p\)
Subtopic:  Respiratory System: Exchange of Gases |
 95%
Level 1: 80%+
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What is the value of \(pCO_2 \) in atmospheric air, alveoli and tissues respectively? 
1. 0.3 mm Hg, 40 mm Hg and 95 mm Hg
2. 95 mm Hg, 40 mm Hg and 159 mm Hg 
3. 45 mm Hg, 0.3 mm Hg and 40mm Hg
4. 0.3 mm Hg, 40 mm Hg and 45 mm Hg
Subtopic:  Respiratory System: Exchange of Gases |
 85%
Level 1: 80%+
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