All of the following represent first line barriers against microbial invasion EXCEPT
A) intact skin
B) flowing fluids such as tears, saliva, and urine
C) lysozyme, sebum, hydrochloric acid
D) intact mucous membranes
E) inflammation and phagocytosis

Question

Quizplus · Accepted Answer

Inflammation and phagocytosis are second-line immune responses that occur after microbes have bypassed the first line of defense, which includes physical barriers like intact skin and mucous membranes, and chemical barriers such as lysozyme in tears and hydrochloric acid in the stomach.

All of the Following Represent First Line Barriers Against Microbial