NURS 5315 TEST 2 ELSEVIER QUESTIONS WITH ANSWERS 2023Which of the following is an example of a physical barrier?

A.	Antibacterial fatty acids

B.	Lysozymes in tears

C.	Epithelial cells Correct

Epithelial cells form tight junctions that are a physical barrier to entry for organisms. Sebaceous glands in the skin secrete antibacterial and antifungal fatty acids. Earwax and lysozymes in tears are examples of biochemical secretions that trap potential disease-causing microorganisms.

D.	Earwax

Aw...