First line of defense may be described as
A) the release of prostaglandins and leukotrienes in response to microbes.
B) intact skin, mucous membranes, sebum, tears, and so forth.
C) damage resulting in cell lysis.
D) the coating of a pathogen by complement.
E) nonspecific leukocytes that secrete toxins onto the surface of virally infected cells.

Question

Quizplus · Accepted Answer

The first line of defense includes physical barriers like intact skin, mucous membranes, sebum, tears, and so forth that prevent pathogens from entering the body.

First Line of Defense May Be Described as