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Haemoglobin of the human blood forms a s...

Haemoglobin of the human blood forms a stable complex compound with with of the following gas leading to death ?

A

Oxygen

B

carbon dioxide

C

carbon monoxide

D

Nitrogen

Text Solution

Verified by Experts

The correct Answer is:
C
98.5% of `O_(2)` is transported by blood with the help of haemoglobin. The molecule of haemoglobin has 250 times more affinity with CO as compare to ` O_(2)` and thusm prevents `O_(2)` transport which leads to death.
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ARIHANT NEET-BREATHING AND EXCHANGE OF GASES -Chapter exercise C (Medical entrances gallery )
  1. The figure given below shows a small part of human lung where exchange...

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  2. The factor which does not affect the rate of alveolar diffusion is

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  3. Haemoglobin of the human blood forms a stable complex compound with wi...

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  4. If a large number of people are enclosed in a room then

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  5. The expiratory reserve volume will be

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  6. Assertion CO(2) transport occurs very fast through RBCs. Reason : E...

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  7. Hiccups can be best described as

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  8. Dead space air in man is

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  9. Amount of CO(2) in expired air is about

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  10. Which two of the following changes (A-B) usually tend to occur in the ...

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  11. The volume of air, inspired or expired during normal respiration is ca...

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  12. Between breaths, the intrapleural pressure is approximately ……. Mm Hg ...

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  13. Which of the following is a respiratory disease ?

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  14. How many molecules of oxygen are bound to one molecule of haemoglobin?

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  15. After deep inspiration, capacity of maximum expiration of lung is call...

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  16. Oxy-haemoglobin dissociates into oxygen and deoxy-haemoglobin at

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  17. Arrange the following in the order of increasing volume 1) Tidal vo...

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  18. The vital capacity of human being is about

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  19. With decrease in temperature, oxyhaemoglobin curve will become

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  20. CO is more toxic than CO(2) because it :

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