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During inspiration...

During inspiration

A

Diaphragm becomes dome shaped

B

internal intercostal muscles contract

C

volume of the thoracic chamber increases

D

ribs are pulled downward

Text Solution

Verified by Experts

The correct Answer is:
C
volume of the thoracic chamber increases
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FULL MARKS-RESPIRATION-ADDITIONAL QUESTIONS SOLVED(Multiple Choice Questions)
  1. The lungs are protected ventrally by

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  2. The function of pleural fluid is to

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  3. During inspiration

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  4. The amount of air inspired or expired with each normal breath is calle...

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  5. The normal value of IRVis

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  6. Expand the abbereviations of "UV" ?

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  7. Which of the following is not involved in gaseous exchange?

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  8. A molecule of haemoglobin carries how many oxygen molecule

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  9. The ferric state of haemoglobin is called ……….

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  10. Which of the following is incorrect with regard to the formation of ox...

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  11. Carbon dioxide is carried in the RBCs as

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  12. The formation of is catalysed by the enzyme carbonic anhydrase in RBC...

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  13. Respiratory centre of brain is senstive to:

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  14. Which is known as the respiratory rhythm centre?

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  15. When a person travels to higher elevations, he may develop the symptom...

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  16. Ervthropoietin hormone stimulates the bone marrow to produce more

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  17. When a person goes deep into the sea, he/she develops complications du...

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  18. Scuba divers need to face the problem of

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  19. Narrowing and inflammation of bronchi and bronchioles is called as

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  20. Gradual break down of the thin walls of the alveoli decreasing the tot...

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