Which of the following would be classified as an innate physical barrier?
A)activation of complement
B)phagocytosis of invading organisms
C)washing action of tears and saliva
D)inflammation
E)release of histamine

Question

Quizplus · Accepted Answer

The washing action of tears and saliva is a physical barrier that helps to prevent the entry of pathogens into the body. This is an innate mechanism, meaning it is present from birth and provides immediate protection against pathogens. Options A, B, D, and E are not innate physical barriers but rather innate immune responses to infection. These mechanisms involve the recognition and destruction of pathogens by cells of the immune system, rather than physical barriers that prevent entry.

Which of the Following Would Be Classified as an Innate