- 1(current)
Q. No.Inspiration occurs when:
1. Intrapulmonary pressure exceeds atmospheric pressure
2. Thoracic volume decreases
3. Intrapulmonary pressure becomes less than atmospheric pressure
4. Diaphragm relaxes and moves upward
1. Intrapulmonary pressure exceeds atmospheric pressure
2. Thoracic volume decreases
3. Intrapulmonary pressure becomes less than atmospheric pressure
4. Diaphragm relaxes and moves upward
Subtopic: Mechanism of Breathing |
95%
Level 1: 80%+
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During normal inspiration, increase in thoracic volume occurs mainly due to:
1. Relaxation of internal intercostal muscles
2. Contraction of diaphragm and external intercostals
3. Contraction of abdominal muscles
4. Elevation of sternum alone
1. Relaxation of internal intercostal muscles
2. Contraction of diaphragm and external intercostals
3. Contraction of abdominal muscles
4. Elevation of sternum alone
Subtopic: Mechanism of Breathing |
94%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
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