Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?
1. Inflammation of bronchioles; decreased respiratory surface
2. Increased number of bronchioles; increased respiratory surface
3. Increased respiratory surface; inflammation of bronchioles
4. Decreased respiratory surface; inflammation of bronchioles

Subtopic:  Respiratory Disorders: Part 1 | Respiratory Disorders: Part 2 |
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Match the items given Column I with those in Column II and select the correct option given below: 
Column I                                   Column II 
a. Tidal volume                          i. 2500-3000 mL 
b. Inspiratory Reserve                ii. 1100-1200 mL volume 
c. Expiratory Reserve                 iii. 500-550 mL volume 
d. Residual volume                    iv. 1000-1100 mL
1. a-iii b-ii c-i d-iv
2. a-iii b-i c-iv d-ii
3. a-i b-iv c-ii d-iii
4. a-iv b-iii c-ii d-i
 
Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
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Which of the following is an occupational respiratory disorder?
1. Anthracis
2. Silicosis
3. Botulism
4. Emphysema
Subtopic:  Respiratory Disorders - III |
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Asthma may be attributed to

1. allergic reaction of the mast cells in the lungs
2. inflammation of the trachea
3. accumulation of fluid in the lungs
4. bacterial infection of the lungs

Subtopic:  Respiratory Disorders: Part 1 |
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Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of
1.  diaphragm
2.  neck
3.  tongue
4.  epiglottis

Subtopic:  Respiratory System: Trachea & Basic Anatomy of Lung |
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The figure given below shows a small part of the human lung where exchange of gases takes place. In which one of the options given below, the one part A, B, C or D is correctly identified along with its function?

    59000

1.  A – Alveolar cavity – main site of exchange of respiratory gases

2.  D – Capillary wall – exchange of Oand CO2 takes place here

3.  B – Red blood cell –  transport of CO2 mainly.

4.  C – Arterial capillary – passes oxygen to tissues

Subtopic:  Respiratory System: Exchange of Gases |
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Listed below are four respiratory capacities (1-4) and four jumbled respiratory volumes of a normal human adult 

Respiratory capacities Respiratory volume
(a) Residual volume 2500 mL
(b) Vital capacity 3500 mL
(c) Inspiratory reserve volume 1200 mL
(d) Inspiratory capacity 4500 mL


Which one of the following is the correct matching of two capacities and volumes?

1. (a) 2500 mL, (d) 4500 mL

1. (c) 1200 mL, (a) 2500 mL

3. (b) 4500 mL, (c) 2500 mL

4. (d) 4500 mL, (b) 3500 mL

Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
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What is true about RBCs in humans?

1. they carry about 20-25 per cent of CO2

2. They transport 99.5 per cent of O2 

3. They transport about 80 per cent oxygen only and the rest 20 per cent of it is transported in dissolved state in blood plasma

4. They do not carry CO2 at all

Subtopic:  Respiratory System: Transport of Gases Part 2 |
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An increase from pH 7.2 to pH 7.4 around hemoglobin causes:

1. hemoglobin to release all bound oxygen molecules.

2. an increase in the affinity of hemoglobin to bind oxygen molecules.

3. hemoglobin to denature.

4. an increase in the binding of H+ by hemoglobin.

Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases |
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Increased asthmatic attacks in certain seasons are related to:

1. hot and humid environment

2. eating fruits preserved in tin containers

3. inhalation of seasonal pollen

4. low temperature 

Subtopic:  Respiratory Disorders: Part 1 | Respiratory Disorders: Part 2 |
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