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Volume of thoracic chamber increases in ...

Volume of thoracic chamber increases in antero-
prosterior and dorse-ventral axis in rabbit by

A

Contraction of diaphragm and external intercostal muscles respectively

B

Relaxation of diaphragm and external intercostal muscles respectively

C

Relaxation of diaphragm and abdominal muscles respectively

D

Contraction of abdominal muscles and relaxation of external infercostal muscles
respectively

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The correct Answer is:
A
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AAKASH INSTITUTE-BREATHING AND EXCHANGE OF GASES -ASSIGNMENT SECTION - B
  1. Ventrally and laterally, the thoracic chamber is formed by

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  2. During inspiration, the volume of thoracic caity increases because o...

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  3. Volume of thoracic chamber increases in antero- prosterior and dorse-...

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  4. What instrument helps in clinical assessment of pulmonary functions?

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  5. Expiration occurs due to

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  6. What happens to the volume of pulmonary cavity when there is an incr...

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  7. Diaphragm is a dome-shaped muscular structure which separates

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  8. What happens when pressure within the pulmonary cavity is higher tha...

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  9. An additional volume of air, a person can inspire by a forceful insp...

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  10. Volume of air remains in the lungs after normal expiration is

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  11. What is the value of pO(2) in alveoli and tissues respectively?

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  12. Which are the three main layers that form the diffusion membrane?

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  13. What is the percentage of O(2) transported in dissolved form through...

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  14. How many O(2) bolecules can vind with single molecule og Hb?

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  15. To which part of Hb, CO(2) binds?

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  16. Which of the following condition is not reponsible for shifting the ...

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  17. Which factors favour the binding of CO(2) with Hb in tissues?

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  18. Pneumotaxic center can moderate the functions of respiratory rhythm ...

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  19. A chronic disorder in which alveolar walls are damaged duw to excess...

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  20. Which of the following is not a symptom of asthma?

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