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When you hold your breath, which of ~he ...

When you hold your breath, which of ~he following gas changes in blood would first lead to the urge to breathe?

A

Rising `CO_(2)` and falling `O_(2)` concentration

B

Falling `O_(2)` concentration

C

Rising `CO_(2)` concentration

D

Falling `CO_(2)` concentration

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-BREATHING AND EXCHANGE OF GASES -ASSIGNMENT SECTION - C
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  2. Asthma may be attributed to

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  3. When you hold your breath, which of ~he following gas changes in blood...

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  4. Approximately seventy percent of carbon dixode absorbed by the blood w...

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  5. The figure shows a diagrammatic view of human respiratory system with...

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  6. Which one of the following is the correct statement for respiration in...

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  7. People who have migrated from the planes to an area adjoining Rohta...

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  8. A large proportion of oxygen is left unsued in the human blood even af...

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  9. The figure given below shows a small part of human lung where exchange...

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  10. Bulk of carbon dioxide (CO(2)) released form body tissues in to the b...

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  11. Which one of the following is a possibility for most of us in regard t...

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  12. Which two of the following changes (i-iv) usually tend to occur in the...

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  13. Listed below are four respiratory capacities (i-iv) and four jumpled r...

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  14. Vital capacity of lung is

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  15. Increased asthmatic attacks in certain seasons are related to

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  16. People living at sea level have around 5 million RBC per cubic millime...

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  17. Which one of the following statements is incorrect?

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  18. The majority of carbon dioxide produced by our body cells is transport...

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  19. In man and mammals, air passes from outside into the lungs through

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  20. Lungs are enclosed in

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