Question

Barrier created by saliva and tears is related to

• A. Physiological barriers
• B. Cellular barriers
• C. Cytokine barriers
• D. Physical barriers

Answer 1

Answer: (A)

Physiological barriers

Physiological barriers include body temperature, pH and other body secretions that prevent the growth of any microorganisms entering the body. Barrier created by saliva and tears is related to physiological barriers.