PATHOLOGY

PATHOLOGY MCQ

RESPIRATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Three features to ensure an efficient gaseous exchange with the surrounding
A
Dry surface of respiratory structures
B
Moist surface of respiratory structures
C
Thin respiratory structures
D
Thick respiratory structures
E
Large surface of respiratory structures
Explanation: 

Detailed explanation-1: -Three processes are essential for the transfer of oxygen from the outside air to the blood flowing through the lungs: ventilation, diffusion, and perfusion.

Detailed explanation-2: -Membrane thickness – the thinner the membrane, the faster the rate of diffusion. Membrane surface area – the larger the surface area, the faster the rate of diffusion. Pressure difference across the membrane. Diffusion coefficient of the gas.

There is 1 question to complete.