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Which two of the following changes (i-iv...

Which two of the following changes (i-iv) usually tend to occur in the plain dwellers when they move to high altitudes (3500 m or more )
(i) Increase in red blood cell size
(ii) Increase in red blood cell production
(iii) Increased breathing rate
(iv) Increase in thrombocyte count

A

(a) & (b)

B

(b) & (c)

C

(c) & (d)

D

(a) & (d)

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-BREATHING AND EXCHANGE OF GASES -ASSIGNMENT SECTION - C
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  2. Which one of the following is a possibility for most of us in regard t...

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

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

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  5. Vital capacity of lung is

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  6. Increased asthmatic attacks in certain seasons are related to

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

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  8. Which one of the following statements is incorrect?

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

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

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  11. Lungs are enclosed in

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  12. When a person brathes air through a tube directly into the trachea (...

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  13. Pitch of the voice is lower in males than females as the vocal cords...

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  14. Which of the following statement is not true for man?

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  15. The ventilation movements of the lungs in mammals are governed by

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  16. In lungs, the air is separated from the venous blood through

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  17. Which of the following volume of capacity of lungs can't be measured...

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  18. What is the volume of air remaining in the lungs after a normal breath...

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  19. Minute Volume of Respiration (MVR) in a person can be defined as

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  20. When CO(2) concentration in blood increases breathing becomes

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