Respiratory Volumes

Q.

___ is the amount of air that we breathe in and out during normal breathing.

1. Tidal volume

2. Residual volume

3. Inspiratory reserve volume

4. Vital capacity

Q.

The maximum volume of air that can be released from the lungs by forceful expiration after maximum inspiration is called the _____.

1. total lung capacity

2. vital capacity

3. tidal volume

4. ventilation rate

Q.

A flap over the trachea that keeps out food and anything else that could clog the trachea is

1. Larynx

2. Pharynx

3. Epiglottis

4. Alveoli

Q.

Tidal volume is air ________.

1. remaining in the lungs after forced expiration

2. exchanged during normal breathing

3. inhaled after normal inspiration

4. forcibly expelled after normal expiration

Q.

What is the volume of human lungs?

Q.

What is the total lung capacity in human beings?

1. 5000 mL

2. 6000 mL

3. 4000 mL

4. 3000 mL

Q.

The maximum amount of air a person can expel from the lungs after a maximum inhalation is called as ______

1. vital capacity

2. inspiratory capacity

3. tidal volume

4. Homeostasis

Q. is tidal volume= vol. of air inspired+vol. of air expired OR tidal volume= air inspired OR tidal vol.= air expired during normal breathing?

Q. On an average, internal surface area of a pair of lungs is 90 $m^2$.

1. True
2. False

Q.

Tidal volume is air ________.

1. remaining in the lungs after forced expiration

2. exchanged during normal breathing

3. inhaled after normal inspiration

4. forcibly expelled after normal expiration

Q. State whether the following statements are true or false.
Forceful expiration results from a forceful contraction of diaphragm.

1. True
2. False

Q. Lungs can float on water as it comprises of millions of alveoli filled with air.

1. True
2. False