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Why is CO poisonous for man ?...

Why is CO poisonous for man ?

A

CO affects the nerves of the lungs

B

CO affects the diaphragm and intercostal muscles

C

CO reacts with oxygen reducing percentage of `O_(2)` in air

D

Haemoglobin combines with CO instead `O_(2)` and the product cannot dissociate

Text Solution

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The correct Answer is:
D
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ARIHANT NEET-BREATHING AND EXCHANGE OF GASES -Chapter exercises A (Taking it together ( assorted Questions of the Chapter of Advanced Level Practice))
  1. Diffusion of gases along the respiratory surface occurs because

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  2. in man and mammals , air passes from outside into the lungs through

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  3. Why is CO poisonous for man ?

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  4. mark the incorrect statement

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  5. A person met with an accident and died instantly without and injury to...

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  6. what is incorrect about oxygen binding with haemoglobin ?

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  7. Which of the following statements correctly defines Bohr's effect ?

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  8. when blood CO(2) level rises

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  9. As carbon dioxide produced in the tissues combines with water in the b...

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  10. After fast running, man has fast heart beat, slow pulse and shallow br...

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  11. After taking a long deep breath we do not respire for some seconds due...

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  12. Which one of the following satatements is correct about blood constitu...

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  13. Reduction in respiratory surface of lungs due to breakdown of partitio...

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  14. A stage when lung collapsed, specially the alveoli is

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  15. which of the following can cause atelectasis ?

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  16. Inflammation of the lung covering causing severe chest pain is

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  17. Apnoea is

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  18. The decompression sickness is

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  19. Increased asthmatic attacks in certain seasons are related to

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  20. All are the disease of lungs except

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