MRCP UK EXAMINATIONS

RESPIRATORY

RESPIRATORY STATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In which part of the respiratory system is the air first cleaned, moistened, and warmed?
A
nose
B
lungs
C
pharynx
D
bronchi
Explanation: 

Detailed explanation-1: -In the nostrils, air gets warmed and moistened. Tiny hairs in the nose called cilia (SIL-ee-uh) filter out dust and other particles. The nasal cavity and mouth join at the area in the back of the throat called the pharynx (FAR-inks).

Detailed explanation-2: -Turbinates (conchae): There are three pairs of turbinates located along the sides of both nasal cavities. These folds inside your nose help warm and moisten air after you breathe it in and help with nasal drainage.

Detailed explanation-3: -Scroll-shaped bones, the nasal conchae, protrude and form spaces through which the air passes. The conchae swirl the air around to allow the air time to humidify, warm, and be cleaned before it enters the lungs.

Detailed explanation-4: -How your nose works. As you breathe air in, your nose: cleans the air of foreign particles such as dust and germs. warms and moistens the air before it reaches your lungs.

There is 1 question to complete.