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Which two of the following changes (A-B)...

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

A

(a) and (b)

B

(b) and (c)

C

(c) and (d)

D

(a) and (d)

Text Solution

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The correct Answer is:
B
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MOTION-BREATHING AND EXCHANGE OF GASES-Exercise 3
  1. what is vital capacity of our lungs

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  2. Bulk of carbon dioxide (CO(2)) released from body tissues into the blo...

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

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  4. What is true about RBCs in humans?

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  5. Which one of the following is a possibility for most of us in regards ...

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  6. Two friends are eating togeather on a dinning table. One of them sudde...

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

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  8. A large proportion of oxygen is left unused the human blood even after...

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  9. Bulk of carbon dioxide (CO(2)) released from body tissues into the blo...

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

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  11. People who have migrated from the planes to an area adjoining Rohtang ...

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  12. During swallowing of food which of the following structures prevent th...

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  13. the figure shows a diagrammatic view of human respiratory system with ...

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  14. The major fraction of CO(2) released during cellular respiration is tr...

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  15. Name the pulmonary disease in which alveolar surface area involv...

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  16. When you hold your breath, which of the following gas changes in blood...

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  17. Asthma may be attributed to:

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  18. The partial pressure of oxygen in the alveoli of the lungs is

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  19. Lungs do not collapse between breaths and some air always remains in t...

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  20. Which statement is wrong for Krebs' cycle ?

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