The Lymphatic System and Body Defences

Foreign proteins that gain access to the body through cuts and scrapes, through the digestive or circulatory systems, or through the urinary and reproductive systems are called ____.

• mineralocorticoids

• immunoglobulins

• antigens

• antibodies

Special lymphatic vessels that absorb fats and transport them from the digestive tract to the blood are called ____.

• peyer"s patch

• vili

• trabeculae

• lacteals

Immunity that can be acquired naturally, such as when we are exposed to a bacterial or viral infection, or that can be acquired artificially, such as when we receive a vaccine, is known as ____.

• antigen presentation

• passive immunity

• active immunity

• congenital immunity

Cells that are descendants of activated T and B cells produced during an initial immune response, which exist in the body for years, enabling it to respond quickly to future infections, are known as ____.

• memory cells

• killer B's

• suppressor T cells

• killer T cells

Lymphocytes that produce antibodies and provide humoral immunity, which is particularly effective against circulating bacterial and viral infections, are called ____.

• A lymphocytes

• B lymphocytes

• D lymphocytes

• T lymphocytes

The lymphocytes that kill virus-invaded and cancerous body cells and are also involved in graft rejections are the ____.

• B cells

• plasma cells

• memory cells

• killer T cells

The main collecting duct of the lymphatic system is the left lymphatic duct, also known as the ____.

• jugular trunk

• thoracic duct

• subclavian artery

• trabeculae

Antigens cause the immune system to produce high molecular weight proteins called immunoglobulins or ____.

• antibodies

• mineralcocortiocoids

• antigens

• pathogens

The immunity provided by the T lymphocytes, effective against fungi, parasites, intracellular viral infections, cancer cells, and foreign tissue implants, is known as ____.

• humoral immunity

• lymphatic immunity

• cellular immunity

• immunosuppresive immunity

Tags

NGSS.HS-LS1-4

Which of the following is involved with the development of T lymphocytes in the fetus and infants?

• adenoids

• spleen

• tonsils

• thymus