CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Functional Residual Capacity

Intrapulmonar...

Question

Intrapulmonary pressure is the ________.

A

Pressure within the pleural cavity

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

pressure within the alveoli of the lungs

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

negative pressure in the intra pleural space

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

difference between atmospheric pressure and respiratory pressure

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
pressure within the alveoli of the lungs

During inspiratation, the intrapulmonary pressure is usually 759 mmHg or lower, which causes the outside atmospheric pressure (which is 760 mmHg) to be sucked into the lungs to create an equilibrium (balance).

Suggest Corrections

thumbs-up

8

Similar questions

Q. Assertion :Inspiration occurs when there is a negative pressure in the lungs with respect to the atmospheric pressure. Reason: During inspiration, a decrease in pulmonary volume increases the intra-pulmonary pressure than atmospheric pressure which forces the air from outside to move into the lungs.

Q. Inspiration occurs when the pressure within the lungs is the atmospheric pressure.

Q. Inspiration occurs when there is a negative pressure in the lungs with respect to atmospheric pressure. This negative pressure is achieved when

Q. Read the following statements regarding the mechanism of respiration and choose the correct option.

1

. Inspiration occurs only when there is negative pressure in the lungs with respect to the atmosphere.

2

. Expiration takes place only when intrapulmonary pressure is lower than atmospheric pressure.

3

. Pressure gradients are generated with the help of the diaphragm and intercostal muscles.

4

. Inspiration is initiated by the relaxation of the diaphragm.

5

. Contraction of the diaphragm reduces pulmonary volume and increases intrapulmonary pressure causing expiration.

Q. Fill up the blanks in the following paragraph by selecting the correct option.
The movement of air into and out of the lungs is carried out by creating a ____(i)____ between the lungs and the atmosphere. Inspiration can occur if intra-pulmonary pressure is ___(ii)____than the atmospheric pressure. Expiration takes place when the intra-pulmonary pressure is ___(iii)___ than the atmospheric pressure. Inspiration is initiated by the ___(iv)___ of diaphragm which ____(v)____ the volume of thoracic chamber in the anteroposterior axis.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Respiration Physiology

BIOLOGY

Watch in App

explore_more_icon

Explore more

Functional Residual Capacity

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon