Given below are four diseases:
 

I. Fluorosis
II. Pneumoconiosis
III. Silicosis
IV. Asthma


Which one of the above is/are associated with occupational hazards?
1. II only
2. II & III
3. II, III & IV
4. I, II & III

Subtopic:  Respiratory Disorders: Part 2 |
AIPMT - 1999
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NEET 2026 - Target Batch - Vital
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Read the following four statements (a-d) and select the option which includes all correct ones only :-

(a) Exchange of O2 and CO2 at alveoli and tissue occur by active transport.
(b) Long exposure to industrial dust leads to inflammation leading to fibrosis and thus causing serious lung damage.
(c) EICM and IICM are muscles actively involved in normal and forced breathing respectively.
(d) Spirometer is unable to find out the functional residual capacity and total lung capacity.

1. b, c and d
2. b and d
3. a, b and d
4. a, b, c and d

Subtopic:  Respiratory System: Pulmonary Ventilation | Respiratory Disorders: Part 2 |
 60%
From NCERT
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Assertion (A): Emphysema is caused by cigarette smoking.
Reason (R): Cigarette smoking reduces the gaseous exchange area.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Respiratory Disorders: Part 1 | Respiratory Disorders: Part 2 | Respiratory Disorders - III |
From NCERT
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NEET 2026 - Target Batch - Vital
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Assertion (A): Smoking leads to availability of less oxygen to the body.
Reason (R): In presence of CO, O2 binds less with Hb.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Respiratory Disorders: Part 1 | Respiratory Disorders: Part 2 | Respiratory Disorders - III |
 66%
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Assertion (A): CO combines with Hb at the same point on Hb as does O2.
Reason (R): CO binds with Hb about 200 times faster than O2.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
 
Subtopic:  Respiratory Disorders: Part 1 | Respiratory Disorders: Part 2 | Respiratory Disorders - III |
 62%
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