Podcast
Questions and Answers
Which of the following helps in defending against pathogens by breaking down their cell walls?
Which of the following helps in defending against pathogens by breaking down their cell walls?
- Tears and blinking reflex
- Sweet, sebaceous secretions
- Acidic pH, hydrolytic enzymes (correct)
- Lactobacilli
What is the function of lysozymes in the body's defense mechanisms?
What is the function of lysozymes in the body's defense mechanisms?
- Promoting cell growth
- Enhancing vision
- Breaking down bacterial cell walls (correct)
- Assisting in blood clotting
Which component of the immune system is responsible for directly attacking virus-infected cells and cancer cells?
Which component of the immune system is responsible for directly attacking virus-infected cells and cancer cells?
- Complement
- Interferons
- Phagocytes
- Natural killer cells (correct)
What type of proteins are involved in the body's initial response to infection or inflammation?
What type of proteins are involved in the body's initial response to infection or inflammation?
Which of the following is a physical barrier that prevents pathogens from entering the body?
Which of the following is a physical barrier that prevents pathogens from entering the body?
Which component of the immune system is responsible for releasing chemicals to help regulate the immune response and promote inflammation?
Which component of the immune system is responsible for releasing chemicals to help regulate the immune response and promote inflammation?
In the body's defense mechanisms, which of the following directly attacks and kills virus-infected cells and cancer cells?
In the body's defense mechanisms, which of the following directly attacks and kills virus-infected cells and cancer 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?
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?
In the context of the immune system, which factor helps to neutralize pathogens by binding to their surfaces and marking them for destruction?
In the context of the immune system, which factor helps to neutralize pathogens by binding to their surfaces and marking them for destruction?
Which of the following types of cells are crucial in eliminating pathogens by engulfing and destroying them in a process known as phagocytosis?
Which of the following types of cells are crucial in eliminating pathogens by engulfing and destroying them in a process known as phagocytosis?
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