Lymphatic System and Immune Response

18 Questions

What is the primary function of the spleen?

Filtering the blood

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

Thoracic duct

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

MALT

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

Kidney

What is the function of lymphatic circulation?

To collect excess tissue fluid and transport it back to the heart

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

Bone marrow and thymus

What is the primary function of solitary lymphatic nodules?

To initiate an immune response

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

Humoral immune response

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

To proliferate and differentiate B-lymphocytes into plasma cells

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

To provide structural support

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

Concave surface (Hilum)

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

B-lymphocytes, T-helper cells, macrophages, and dendritic cells

What is the primary function of the lymph node?

Filtration of lymph and immune response

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

Paracortical zone

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

To surround the central arteriole with T lymphocytes

What is the composition of the medullary cords?

Lymphocytes, plasma cells, and macrophages

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

To remove old or damaged red blood cells

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