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Which of the following events is related...

Which of the following events is related to expiration?

A

decrease in the volume of the thoracic cavity

B

Increase in the volume of the thoracic cavity

C

Contraction of internal intercostal muscles

D

Contraction of external intercostal muscles

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Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-BREATHING AND EXCHANGE OF GASES -EXERCISE-I (Mechanism of Breathing)
  1. O2 enters the lungs when

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  2. Expiration occurs when

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  3. Which of the following events is related to expiration?

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  4. Negative pressure inside lungs is created due to

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  5. Which of the following events is not related to inspiration?

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  6. Humans can increase the strength of both inspiration & expiration with...

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  7. On an average a healthy human breaths times per minute

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  8. The instrument that helps in clinical assessment of pulmonary function...

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  9. Amount of air expelled from the lungs during the quiet breathing per o...

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  10. Volume of air remaining in the lungs even after a forcible expiration ...

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  11. Volume of air that will remain in the lungs after normal expiration is...

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  12. RV + VC =

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  13. The following diagram explains

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  14. The following diagram explains that

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  15. Identify the incorrect match about lung volumes.

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  16. For the occurrence of inspiration intra pulmonary pressure should be

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  17. The volume of thoracic chamber increases in dorso-ventral axis due to ...

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  18. Volume of air either inspired or expired during normal respiration is

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  19. Choose the correct one of the following regarding respiratory capaciti...

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  20. The maximum volume of air a person can breathe in after a forced expir...

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