Exam 20: Lymphatic System and Immunity

The released of interleukin-1 by active macrophages would produce a(n) __________.

The tubal tonsils surround the opening of the auditory tubes at the __________.

Natural killer cells patrol the blood and lymph as part of immunologic surveillance.

Which of the following are the three major types of effector T cells?

When the body is deliberately exposed to an antigen, this is referred to as:

A(n) __________ means "a graft from another person who is not an identical twin."

A(n) __________ antigen is an antigen that can trigger an immune response.

T cells are precursors of B cells.

Immunoglobulins are __________ found in body fluids.

Which of the following are small organs that are found along lymphatic vessels?

The primary function of the lymphatic system is the production and distribution of interferons.

Opsonins are antibodies that make it easier for phagocytes to engulf their target cells.

Antibodies bind to specific chemical targets called:

Which of the following releases antibodies?

Lymph capillaries are found in bone marrow and teeth.

Type IV hypersensitivities are also called __________ hypersensitivities, and are linked to T cells.

Which of the following immunoglobulin groups is classified as a dimer?

Which of the following lymphatic organs lacks reticular connective tissue?

The most critical cell in immunity is the helper T cell.

The functional units of a lymph node are the lymph nodules (follicles).