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In heavy smoker the alveoli of the lungs...

In heavy smoker the alveoli of the lungs are enlarged and damaged which reduces the surface area of the exchange of respiratory gases this condition is called
1. asthma
2. silicosis
3. insomnia
4. emphysema

A

asthma

B

silicosis

C

insominia

D

emphysema

Text Solution

Verified by Experts

The correct Answer is:
D
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TRUEMAN BIOLOGY-BREATHING AND EXCHANGE OF GASES -MULTIPLE CHOICE QUESTIONS
  1. In which disease, due to flattening of tracheal vessels, alveoli are d...

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  2. Which of the following is not true about asthma ?

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  3. In heavy smoker the alveoli of the lungs are enlarged and damaged whi...

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  4. Match the disorders given in column I with symptoms under column II ch...

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  5. Hypoxia is the condition in which less oxygen becomes available to the...

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  6. Whether a child died after birth or died before birth can be confirmed...

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  7. About 97 % of oxygen is transported by RBC. The remaining 3 % is 1. pr...

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  8. The diagram represents the human larynx choose the correct combination...

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  9. Lack of pulmonary surfactant produces

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  10. In the resting person saturation of hemoglobin as blood leaves the tis...

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  11. Read the following statement and select the correct one 1. oxyhaemogl...

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  12. When the oxygen supply to the tissue is inadequate the condition is 1...

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  13. Oxygen affinity of haemoglobin is increased by all of the following ex...

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  14. All are features of exercise except

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  15. Vital capacity, the maximum volume of air a person can inhale, is meas...

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  16. Go through th following statemetns carefuly

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  17. Go through the following matches Which of these are correct?

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  18. Which match is incorrect

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  19. Read the following statement about human respiration ltbgt (i) trache...

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  20. The following diagram shows exchange of gases between alveolus and bod...

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