The Lymphatic System and Immunity

What cells produce antibodies?

Plasma cells

Why is an untreated acute allergic reaction a life-threatening situation?

Airway constriction may lead to low blood pressure and shock

When the body has a hypersensitivity reaction to common substances, it is known as

Allergy

A type of plasma protein that helps the body destroy foreign invaders is a(n)

Antibody (immunoglobulin)

Functions of lymph nodes

Filter lymph, phagocytize foreign substances, and produce lymphocytes

The ability of the body to resist infection is known as

Immunity

These bean-shaped structures are found along lymphatic vessels, and serve to filter lymph and produce lymphocytes

Lymph nodes

These are the precursors of a range of cells that are involved in the immune response

Lymphocytes

Which of the following is the largest mass of lymphoid tissue and serves to filter the blood?

Spleen

What lymphoid tissue forms a ring around the openings of the GI and respiratory tracts?

Tonsils