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A person suffers punctures in his chest cavity in an accident, without any damage to the lungs, its effect could be

1.  reduced breathing rate

2.  rapid increase in breathing rate

3.  no change in respiration

4.  cessation of breathing

Subtopic:  Respiratory System: Pulmonary Ventilation |
Level 3: 35%-60%
Hints

Mark the true statement among the following with reference to normal breathing

1. Inspiration is a passive process whereas expiration is an active process.
2. Inspiration is an active process whereas expiration is passive
3. Inspiration and expiration are active processes
4. Inspiration and expiration are passive processes

Subtopic:  Respiratory System: Pulmonary Ventilation |
 73%
Level 2: 60%+
Hints

Mark the correct pair of muscles involved in the normal breathing in humans.

1.  External and internal intercostal muscles
2.  Diaphragm and abdominal muscles
3.  Diaphragm and external intercostal muscles
4.  Diaphragm and intercostal muscles

Subtopic:  Respiratory System: Pulmonary Ventilation |
 73%
Level 2: 60%+
Hints

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