Which of the following disease is caused mainly due to cigarette smoking

1. Asthma

2. Emphysema

3. Bronchitis

4. Rhinitis

Subtopic:  Respiratory Disorders: Part 2 |
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A combination of carbon dioxide and hemoglobin, CO2HHb, being one of the forms in which carbon dioxide exists in the blood is the
1. oxyhemoglobin.
2. deoxyhemoglobin.
3. carboxyhemoglobin.
4. carbaminohemoglobin

Subtopic:  Respiratory System: Transport of Gases |
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Arrange the following modes of transport of carbon dioxide in the blood from the most common to the least common.
1. bicarbonate ions
2. combined with blood proteins
3. dissolved in plasma
Choose the arrangement that lists them in the correct order from largest to smallest percentage of carbon dioxide transported.
1. 1, 2, 3
2. 1, 3, 2
3. 2, 3, 1
4. 2, 1, 3

Subtopic:  Respiratory System: Transport of Gases |
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When fully saturated, the number of molecules each hemoglobin molecule can carry is:
1. one
2. two
3. three
4. four

Subtopic:  Respiratory System: Transport of Gases |
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Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I                              Column II
(respiratory volume)              (value)
I. TV                                    1. 2500 mL - 3000 mL
II. IRV                                 2. 500 mL
III. ERV                               3. 1100 mL - 1200 mL
IV. RV                                  4. 1000 mL - 1100 mL 
Codes:
I II III IV
A. 1 2 3 4
B. 2 1 4 3
C. 2 1 3 4
D. 1 2 4 3

Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
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In the given diagram of the oxygen dissociation curve, under normal physiological conditions, the partial pressure of oxygen at the tissue level is represented by:

1. A
2. B
3. C
4. D

Subtopic:  Respiratory System: Transport of Gases |
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Difficulty in breathing due to inflammation  of bronchi and bronchioles leads to

1. Asthma

2. Emphysema

3. Occupational Lung Disease

4. Rhinitis

Subtopic:  Respiratory Disorders: Part 1 |
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Which of the following is not true about hering breuer reflex

1. It is activated when a normal mechanism to switch off inspiration does not work timely due to any reason.

2. It is activated when a normal mechanism to switch off expiration does not work timely due to any reason

3. It prevents the alveoli from overstretching and bursting

4. It normally remains inactive

Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
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Pneumotaxic Centre is present in the

1. forebrain

2. midbrain

3. Hindbrain

4. Diencephalon

Subtopic:  Respiratory System: Regulation of Respiration |
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Aortic arch and carotid artery receptors cannot recognise changes in

1. CO Concentration

2. O2­ Concentration

3. H+ ions Concentration

4. All of these

Subtopic:  Respiratory System: Regulation of Respiration |
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