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Questions and Answers
What is the main function of the immune system in health?
What is the main function of the immune system in health?
- Protect against microbial infections (correct)
- Facilitate organ graft transplantation
- Provide hypersensitivity reactions
- Defend against tumors
Which component of the immune system is responsible for recognizing and responding to tissue?
Which component of the immune system is responsible for recognizing and responding to tissue?
- Phagocytes
- Lymphocytes (correct)
- Complement system
- Cytokines
In the context of immunity, what do hypersensitivity reactions refer to?
In the context of immunity, what do hypersensitivity reactions refer to?
- Role in organ graft transplantation
- Immune responses against self (correct)
- Cell-mediated immune responses
- Defensive mechanisms against pathogens
Which type of immune response protects the body against infections through antibodies?
Which type of immune response protects the body against infections through antibodies?
What is the significance of deficient immunity, such as that seen in AIDS?
What is the significance of deficient immunity, such as that seen in AIDS?
Which component of the immune system plays a key role in the barrier to organ graft transplantation?
Which component of the immune system plays a key role in the barrier to organ graft transplantation?
Which defense mechanism helps keep the skin pliable and less likely to break or tear?
Which defense mechanism helps keep the skin pliable and less likely to break or tear?
Which component inhibits the growth of pathogens by drawing water from their cells?
Which component inhibits the growth of pathogens by drawing water from their cells?
Which of the following is a chemical component of the skin's defense?
Which of the following is a chemical component of the skin's defense?
What is acidic in the stomach due to HCL, acting as a chemical barrier of innate immunity?
What is acidic in the stomach due to HCL, acting as a chemical barrier of innate immunity?
What is a key characteristic of adaptive immunity related to 'discrimination'?
What is a key characteristic of adaptive immunity related to 'discrimination'?
Which type of immunity involves transferring ready-made antibodies for rapid but short-lasting protection?
Which type of immunity involves transferring ready-made antibodies for rapid but short-lasting protection?
What is the main difference between adaptive and innate immunity?
What is the main difference between adaptive and innate immunity?
What is a characteristic of neutrophils in the immune system?
What is a characteristic of neutrophils in the immune system?
Which type of immunity requires a previous exposure to pathogens for effective response?
Which type of immunity requires a previous exposure to pathogens for effective response?
'Memory' in the context of adaptive immunity refers to:
'Memory' in the context of adaptive immunity refers to:
What is the function of lysozyme in the second line of natural defense?
What is the function of lysozyme in the second line of natural defense?
Which of the following is NOT an acute phase protein involved in the second line of defense?
Which of the following is NOT an acute phase protein involved in the second line of defense?
Which cells are involved in the direct phagocytosis of invading microorganisms?
Which cells are involved in the direct phagocytosis of invading microorganisms?
What is the primary step of phagocytosis that involves the movement of phagocytes towards the site of infection?
What is the primary step of phagocytosis that involves the movement of phagocytes towards the site of infection?
Which protein is responsible for opsonization to enhance the recognition and ingestion of microbes by phagocytes?
Which protein is responsible for opsonization to enhance the recognition and ingestion of microbes by phagocytes?
Which cytokine released by activated macrophages stimulates the activation of phagocytosis?
Which cytokine released by activated macrophages stimulates the activation of phagocytosis?
What type of immunity is developed following vaccination with a live attenuated or killed infectious agent or their products?
What type of immunity is developed following vaccination with a live attenuated or killed infectious agent or their products?
Which component of the adaptive immune response involves B-lymphocytes differentiating into plasma cells that produce specific antibodies?
Which component of the adaptive immune response involves B-lymphocytes differentiating into plasma cells that produce specific antibodies?
Which type of immunity is characterized by the individual's own antibodies or sensitized lymphocytes being produced on exposure to a foreign antigen?
Which type of immunity is characterized by the individual's own antibodies or sensitized lymphocytes being produced on exposure to a foreign antigen?
Which component of the adaptive immune response involves T-lymphocytes interacting with and destroying intracellular bacteria, protozoa, fungi, tumor cells, graft cells, and virus-infected cells?
Which component of the adaptive immune response involves T-lymphocytes interacting with and destroying intracellular bacteria, protozoa, fungi, tumor cells, graft cells, and virus-infected cells?
Which type of immunity is characterized by the transfer of pre-formed antibodies or sensitized lymphocytes from an immune individual to a non-immune individual?
Which type of immunity is characterized by the transfer of pre-formed antibodies or sensitized lymphocytes from an immune individual to a non-immune individual?
What is the difference between innate and adaptive immunity?
What is the difference between innate and adaptive immunity?
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