Question # 1

What percentage of oxygen inhaled form air during breathing?

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21%

22%

23%

24%

A thick muscular layer beneath lungs is called:

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Kidney

Diaphragm

Bladder

Ureter

Rate of breathing depends upon concentration of which gas:

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Oxygen

Carbon dioxide

Nitrogen

Hydrogen

The correct list of respiratory disorders is;

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Asthma, emphysema. pneumonia , bronchitis

Asthma , penumonia , heamophlia , typhoid,

Asthma , blood , cancer , emphysema, cholera

Asthma , cholera, emphysema , malaria

Which structure actively helps in taking the air out of lungs?

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Nasal cavity

Bronchus

Bronchiole

Diaphragm

No. of bronchi in the air passage way are:

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1

2

3

4

Power of speaking is only gifted to:

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Human being

Monkey

Parrot

Crow

The percentage of oxygen from air which we inspired is:

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15 %

21%

25%

28%

Cutting of walls of Alveoli called:

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Pneumonia

Emphysema

Bronchtis

Asthama

Point out the FALSE statement about respiration.

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Gases can easily pass through the walls of the alveoli

Gas exchange in lungs is very efficient because lungs provide large surface area

In emphysema, the walls of alveoli break and there is more surface area.

Dust particles can damage the lung by irritating the inner alveoli surface.

How many pairs of ribs in humans?

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12

24

26

30

In normal condition human respiration rate is:

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12 to 15 per minute

15 to 12 per minute

10 to 12 per minute

16 to 20 per minute

Which of the following is called voice box?

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Trachea

Larynx

Bronchi

Alveoli

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