PATHOLOGY

PATHOLOGY MCQ

IMMUNE RESPONSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the roles of mucus? Select two options.
A
to trap pathogens
B
to start fevers
C
to prevent pathogens from moving into deep tissues
D
to stimulate B-cells to make antibodies
E
to identify antigens
Explanation: 

Detailed explanation-1: -Mucins give mucus its gel-like structure and are studded with glycans, or chains of sugar molecules. The glycans disarm the harmful pathogens in mucus by limiting genes that control their pathways of communication or toxin production.

Detailed explanation-2: -The airway surface liquid (ASL), often referred to as mucus, is a thin layer of fluid covering the luminal surface of the airway. The major function of mucus is to protect the lung through mucociliary clearance against foreign particles and chemicals entering the lung.

Detailed explanation-3: -The major function of the mucus is to trap the pathogens and other harmful microbes which are airborne. The mucus acts as a filter or membrane.

Detailed explanation-4: -But while it’s gross once it leaves the body, mucus, phlegm and snot play important roles inside us. Part of the immune system, the role of this sticky goop is to help, explains Brian Button.

There is 1 question to complete.