10 Questions
Which of the following helps in defending against pathogens by breaking down their cell walls?
Acidic pH, hydrolytic enzymes
What is the function of lysozymes in the body's defense mechanisms?
Breaking down bacterial cell walls
Which component of the immune system is responsible for directly attacking virus-infected cells and cancer cells?
Natural killer cells
What type of proteins are involved in the body's initial response to infection or inflammation?
Acute phase proteins
Which of the following is a physical barrier that prevents pathogens from entering the body?
Intact skin and mucous membrane
Which component of the immune system is responsible for releasing chemicals to help regulate the immune response and promote inflammation?
Complement
In the body's defense mechanisms, which of the following directly attacks and kills virus-infected cells and cancer cells?
Natural killer cells
Which of the following is a chemical defense mechanism found in tears and certain body fluids, capable of destroying the cell walls of certain bacteria?
Hydrolytic enzymes
In the context of the immune system, which factor helps to neutralize pathogens by binding to their surfaces and marking them for destruction?
Lysozymes
Which of the following types of cells are crucial in eliminating pathogens by engulfing and destroying them in a process known as phagocytosis?
Phagocytes
Test your knowledge on the various defense mechanisms of the immune system including intact skin, mucous membranes, lysozymes, complement system, and more.
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