PATHOLOGY

PATHOLOGY MCQ

INFECTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What am I? I am a sticky substance found in your airways. I trap pathogens so they cannot enter the lungs.
A
Mucus
B
Skin
C
Hydrochloric acid
D
Cilia
Explanation: 

Detailed explanation-1: -Cilia propel a liquid layer of mucus that covers the airways. The mucus layer traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.

Detailed explanation-2: -Mucus is mostly water. But it also contains special proteins, sugars, and molecules that help the body control harmful germs. Usually you’re not aware of all the mucus that slowly flows through your body. That is, until you get sick.

Detailed explanation-3: -Airway mucus traps inhaled toxins and transports them out of the lungs by means of ciliary beating and cough (Fig. 1).

There is 1 question to complete.