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k :- Here are some more Infection and Immunization MCQ questions with answers and explanations:
Question 46
What is the primary function of the immune system's toll-like receptors?
A) To recognize and eliminate infected cells
B) To produce antibodies
C) To activate the inflammatory response
D) To recognize pathogen-associated molecular patterns
Answer: D) To recognize pathogen-associated molecular patterns
Question 47
Which of the following is an example of a type of vaccine that uses a live, attenuated form of the pathogen to stimulate an immune response?
A) Influenza vaccine
B) Hepatitis B vaccine
C) Measles, mumps, and rubella (MMR) vaccine
D) Human papillomavirus (HPV) vaccine
Answer: C) Measles, mumps, and rubella (MMR) vaccine
Question 48
What is the primary function of the immune system's cytokines?
A) To recognize and eliminate infected cells
B) To produce antibodies
C) To activate the inflammatory response
D) To help coordinate the immune response through the production of signaling molecules
Answer: D) To help coordinate the immune response through the production of signaling molecules
Question 49
Which of the following is an example of a type of immune cell that plays a key role in the elimination of infected cells?
A) T-cell
B) B-cell
C) Macrophage
D) Natural killer cell
Answer: D) Natural killer cell
Question 50
What is the name of the process by which the immune system eliminates infected cells through the activation of apoptosis?
A) Necrosis
B) Phagocytosis
C) Cell-mediated cytotoxicity
D) Apoptosis
Answer: D) Apoptosis
Let me know if you'd like more questions or help with a specific topic!
Here are some more questions:
Question 51
What is the primary function of the immune system's chemokines?
A) To recognize and eliminate infected cells
B) To produce antibodies
C) To activate the inflammatory response
D) To help coordinate the immune response through the production of signaling molecules
Answer: D) To help coordinate the immune response through the production of signaling molecules
Question 52
Which of the following is an example of a type of vaccine that uses a piece of genetic material, such as DNA or RNA, to stimulate an immune response?
A) Live, attenuated vaccine
B) Inactivated vaccine
C) Conjugate vaccine
D) Nucleic acid vaccine
Answer: D) Nucleic acid vaccine
Question 53
What is the primary function of the immune system's major histocompatibility complex (MHC)?
A) To recognize and eliminate infected cells
B) To produce antibodies
C) To activate the inflammatory response
D) To present antigens to T-cells
Answer: D) To present antigens to T-cells
Question 54
Which of the following is an example of a type of immune cell that plays a key role in the adaptive response?
A) T-cell
B) B-cell
C) Macrophage
D) Neutrophil
Answer: A) T-cell