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Immunology Introduction by Dr. Abdulrahman A. Alsultan

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Immunology Introduction by Dr. Abdulrahman A. Alsultan

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Questions and Answers

Which of the following is NOT one of the key principles of the immune system?

Non-reactivity to self to prevent injury to the host

Contraction and homeostasis to allow response to newly encountered antigens

Reactivity to self-antigens to prevent autoimmunity (correct)

Specialization to generate optimal defense against different microbes

Which of the following cells are responsible for the specific recognition of antigens?

Macrophages

Granulocytes

Dendritic cells

Lymphocytes (correct)

What is the primary function of antigen-presenting cells (APCs) in the immune system?

Capture and display microbial antigens to lymphocytes (correct)

Eliminate antigens

Regulate the contraction and homeostasis of the immune response

Produce antibodies

Which of the following statements about effector cells is NOT true?

Effector cells are responsible for initiating the adaptive immune response Signup and view all the answers

Which of the following lymphoid organs plays a role in displaying antigens to B cells during the humoral immune response?

Spleen Signup and view all the answers

Which type of lymphocyte is primarily responsible for cell-mediated immunity?

T lymphocytes Signup and view all the answers

What is the role of natural killer cells in the immune system?

Recognize and eliminate virus-infected and tumor cells Signup and view all the answers

Which of the following cells are responsible for the initiation of the T cell response?

Dendritic cells Signup and view all the answers

Which of the following principles of the immune system allows it to respond to newly encountered antigens?

Contraction and homeostasis Signup and view all the answers

Which type of cell is primarily responsible for the effector phase of cell-mediated immunity?

Macrophages Signup and view all the answers