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Immune System Properties and Overview

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Questions and Answers

What type of lymphocytes are responsible for producing antibodies?

Natural Killer Cells

T-lymphocytes

Dendritic Cells

B-lymphocytes (correct)

What is the function of CD4+ helper T lymphocytes?

Releasing perforin that damages the membrane of target cells

Presenting self-antigens to developing T-cells

Secreting cytokines that help B cells to mount antibody response (correct)

Direct killing of infected cells

Where do T-lymphocytes mature?

Bone marrow

Spleen

Thymus (correct)

Lymph node

What is the function of Granzymes produced by Natural Killer Cells?

Inducing apoptosis in target cells Signup and view all the answers

What is the primary function of the thymus?

Maturation of T-lymphocytes Signup and view all the answers

What is the primary function of B-lymphocytes?

Producing antibodies during an immune response Signup and view all the answers

What is the primary function of the red pulp in the spleen?

To remove aging and damaged blood cells and particles from the circulation Signup and view all the answers

What is the role of the white pulp in the spleen?

To mediate adaptive immune responses to blood-borne antigens Signup and view all the answers

What is the primary function of the innate immunity?

To recognize and eliminate pathogens from the host Signup and view all the answers

What is the role of the regional immune systems?

To provide specialized immune responses against pathogens at specific epithelial barriers Signup and view all the answers

What is the function of the cortical dendritic cells in the lymphoid organs?

To transport low-molecular weight soluble antigens out of the sinus Signup and view all the answers

What is the function of the spleen in terms of adaptive immune responses?

To initiate adaptive immune responses to blood-borne antigens Signup and view all the answers

What is the meaning of the Latin word 'immunitas'?

Free or exempt Signup and view all the answers

What is the primary function of the immune system?

Distinguishing self from non-self Signup and view all the answers

What are the two main types of immune responses?

Innate and adaptive Signup and view all the answers

Where can immune cells be found in the body?

In the blood, lymph, and scattered throughout the body Signup and view all the answers

What is the main challenge faced by the immune system in generating an immune response?

Responding rapidly to small numbers of many different microbes Signup and view all the answers

What is the study of immune responses and the cellular and molecular events that occur after an organism encounters microbes and other foreign macromolecules?

Immunology Signup and view all the answers