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A chronic disorder in which alveolar wal...

A chronic disorder in which alveolar walls are
damaged duw to excessive cigarette smoking is

A

Asthma

B

Emphysema

C

Silicosis

D

Bronchitis

Text Solution

Verified by Experts

The correct Answer is:
B
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Read the following statements : (A) It is a chronic disorder (B) Major cause of it is cigarette smoking (C) It is an allergy (D) Alveolar walls are damaged (E) Due to inflammation of bronchi and bronchioles (F) Respiratory surface is decreased How many points are correct about Emphysema

The disorder in which walls of the alveoli gets damaged , resulting in a decrease in the surface area, is called :

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AAKASH INSTITUTE-BREATHING AND EXCHANGE OF GASES -ASSIGNMENT SECTION - B
  1. What is the value of pO(2) in alveoli and tissues respectively?

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  2. Which are the three main layers that form the diffusion membrane?

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  3. What is the percentage of O(2) transported in dissolved form through...

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  4. How many O(2) bolecules can vind with single molecule og Hb?

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  5. To which part of Hb, CO(2) binds?

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  6. Which of the following condition is not reponsible for shifting the ...

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  7. Which factors favour the binding of CO(2) with Hb in tissues?

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  8. Pneumotaxic center can moderate the functions of respiratory rhythm ...

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  9. A chronic disorder in which alveolar walls are damaged duw to excess...

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  10. Which of the following is not a symptom of asthma?

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  11. In mature mammalian erythrocytes, the respiration is

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  12. Which of the following is not a character of respiratory surface?

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  13. Skin of man cannot act as respiratory organ because

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  14. Adam's apple is another name for

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  15. Ring - like cartilage of larynx is known as

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  16. Which of the following prevents collapsing of Trachea

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  17. The number of alveoli in the human lungs has been estimated to be appr...

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  18. In human, oblique fissure is present in

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  19. If a person exhales out forcefully by applying all his efforts, what w...

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  20. The amount of oxygen transported by 1L of blood under strenuous condit...

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