6 Questions
Which of the following is an example of a chemical barrier to infection?
Lactoferrin in human milk
What is the function of lysozyme in the immune system?
Attacks cell wall of microorganisms and renders them osmotically sensitive
What is the role of mucous membranes in the immune system?
Acts as a physical barrier
Intact skin is a mechanical barrier to infection.
True
Lactoferrin is found in tears and saliva.
False
Peristaltic movement of the intestines is an example of a chemical barrier to infection.
False
Test your knowledge on the structural, mechanical, and chemical barriers that the human body employs to defend against pathogens and foreign invaders.
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