The most frequently used portal of entry for pathogens is the
A)mucous membranes of the respiratory tract.
B)mucous membranes of the gastrointestinal tract.
C)skin.
D)parenteral route.
E)All of these portals are used equally.

Question

Quizplus · Accepted Answer

The mucous membranes of the respiratory tract are the most frequently used portal of entry for pathogens due to the high exposure to the external environment through breathing, making it a primary route for airborne pathogens.

The Most Frequently Used Portal of Entry for Pathogens Is