Expiratory Capacity

Q.

What is the total volume (approximately) of air that can be forcefully exhaled after a normal inspiration?

1. 1 L

2. 1.5 L

3. 4 L

4. 2 L

Q.

The number of times a person breathes per minute is termed as the ___.

1. respiration rate

2. digestion rate

3. breathing rate

4. photosynthesis rate

Q.

During inspiration, air passes into lungs due to;

1. Increase in volume of thoracic cavity and fall in lung pressure.

2. Fall in pressure inside the lungs

3. Increased volume of thoracic cavity

4. Muscular expansion of lungs

Q.

_________ is the volume of air that can be breathed out by​ forceful expiration after maximum or forceful inspiration.​

1. Tidal volume
2. Vital capacity

Q. Differentiate between the following pairs on the basis of the aspect given in the brackets.

(d)Inspired air and alveolar air (carbon dioxide content).