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Lymphatic System and Immune Response

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Questions and Answers

What is the primary function of the spleen?

Producing B and T lymphocytes

Filtering the blood (correct)

Regulating blood pressure

Aiding in digestion

What is the name of the vessels that transport lymph back to the heart?

Lymphatic capillaries

Large lymphatic vessels

Thoracic duct (correct)

Inferior vena cava

What is the name of the lymphoid tissue found in the mucosa of various organs?

MALT (correct)

GALT

BALT

SALT

Which of the following is NOT a type of lymphoid tissue or organ?

Kidney Signup and view all the answers

What is the function of lymphatic circulation?

To collect excess tissue fluid and transport it back to the heart Signup and view all the answers

What is the name of the lymphoid organs where B and T lymphocytes are produced?

Bone marrow and thymus Signup and view all the answers

What is the primary function of solitary lymphatic nodules?

To initiate an immune response Signup and view all the answers

What type of immune response occurs in peripheral or secondary lymphoid organs?

Humoral immune response Signup and view all the answers

What is the purpose of the germinal center in a secondary lymphatic nodule?

To proliferate and differentiate B-lymphocytes into plasma cells Signup and view all the answers

What is the function of the stroma in a lymph node?

To provide structural support Signup and view all the answers

What is the site of entry and exit of vessels in a lymph node?

Concave surface (Hilum) Signup and view all the answers

What type of cells are present in a primary lymphatic nodule?

B-lymphocytes, T-helper cells, macrophages, and dendritic cells Signup and view all the answers

What is the primary function of the lymph node?

Filtration of lymph and immune response Signup and view all the answers

Which zone of the lymph node is composed mainly of T lymphocytes?

Paracortical zone Signup and view all the answers

What is the function of the periarterial lymphatic sheath (PALS)?

To surround the central arteriole with T lymphocytes Signup and view all the answers

What is the composition of the medullary cords?

Lymphocytes, plasma cells, and macrophages Signup and view all the answers

What is the function of the spleen's red pulp?

To remove old or damaged red blood cells Signup and view all the answers

What is the name of the zone between the cortex and the medulla of the lymph node?