Functional Residual Capacity

Q.

State the volume of air remaining in the lungs after a normal breathing.

Q.

Air moves out of the lungs when the pressure inside the lungs is

1. less than the pressure in the atmosphere

2. greater than the pressure in the atmosphere.

3. greater than the intra-alveolar pressure

4. equal to the pressure in the atmosphere.

Q.

Intrapulmonary pressure is the ________.

1. Pressure within the pleural cavity

2. pressure within the alveoli of the lungs

3. negative pressure in the intra pleural space

4. difference between atmospheric pressure and respiratory pressure

Q. The volume of air that remains in the lungs after a normal expiration is called _______________________

1. functional residual capacity
2. residual volume
3. tidal volume
4. inspiratory capacity

Q.

What is residual volume

Q.

The amount of air that cannot be expelled is the _____.

1. expiratory reserve volume

2. residual volume

3. total lung capacity

4. functional residual capacity

Q.

State the volume of air remaining in the lungs after a normal breathing.

Q. What is the importance of pneumatic bones and air sacs in Aves?

Q. During maximal expiration, the total volume expired is called

1. ERV
2. VC
3. RV
4. FRC

Q.

Distinguish between

(a) IRV and ERV

(b) Inspiratory capacity and Expiratory capacity

(c) Vital capacity and Total lung capacity

Q. Volume of air that will remain in the lungs after a normal expiration, which includes ERV+RV is called _________________.

1. none of the above
2. expiratory capacity
3. inspiratory capacity
4. functional residual capacity

Q. Volume of air remaining in lungs after maximum respiratory effort

1. Vital capacity
2. Tidal volume
3. Total lung capacity
4. Residual volume

Q. The volume of air that remains in the lungs after a normal expiration is called _______________________

1. functional residual capacity
2. residual volume
3. tidal volume
4. inspiratory capacity

Q. The volume of air that will remain in the lungs after a normal expiration is called

1. Vital capacity
2. Functional residual capacity
3. Total lung capacity
4. Residual volume

Q. The volume of air that will remain in the lungs after a normal expiration is called:

1. Vital capacity
2. Functional residual capacity
3. Residual volume
4. Total lung capacity
5. Inspiratory capacity

Q. Whether a child died after normal birth or died before birth can be confirmed measuring

1. The weight of the child
2. The dead space air
3. Tidal volume of air
4. Residual volume of air

Q. Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because

1. There is a positive intrapleural pressure.
2. Pressure in the lungs is higher than the atmospheric pressure.
3. There is a negative pressure in the atmosphere.
4. There is a negative intrapleural pressure pulling the walls of the lungs.

Q. The vital capacity of lungs is equal to

1. $\text{IRV}+\text{ERV}+\text{TV}$
2. $\text{IRV}+\text{ERV}+\text{TV}+\text{RV}$
3. $\text{IRV}+\text{ERV}+\text{TV}-\text{RV}$
4. $\text{IRV}+\text{ERV}$

Q. How much amount of volume of air is in lungs as FRC?

1. 2100 ml to 2500 ml
2. 1500 ml to 1600 ml
3. 2500 ml to 3000 ml
4. 1600 ml to 2100 ml

Q.

Which of the following is correct regarding the working of the lungs?

1. The lungs and the chest wall, both have elastic properties.

2. The lungs have a tendency to recoil inwards.

3. The chest wall has a tendency to recoil outwards.

4. All of the above.

Q. ERV $+$ RV $=?$ for lungs

1. FRC
2. VC
3. IRV
4. TV

Q. For lungs, ERV$+$RV is equal to.

1. FRC
2. IRV
3. VC
4. TV

Q.

Intrapulmonary pressure is the ________.

1. pressure within the alveoli of the lungs

2. pressure within the pleural cavity

3. negative pressure in the intrapleural space

4. difference between atmospheric pressure and respiratory pressure

Q. Capacity of human lungs for air in a healthy person is?

1. $3000$ml
2. $4500$ml
3. $6000$ml
4. $5000$ml