Question

Between breathes the intrapleural pressure is approximately _____ mm $Hg$ less than atmospheric pressure.

• A. $1$
• B. $4$
• C. $8$
• D. $10$

Answer 1

The correct option is A $1$

The intrapleural pressure helps in the expiration and inspiration of the gases during breathing. The pressure inside the lungs determined whether the air is inspired or expelled out. The pressure in between breathes is around 1 mmHg less than the atmospheric pressure know which is normal.

So, the correct option is '1'