Lymphatic and Immune System

A substance that triggers an immune response is called a(n)

• Antibody

• Antigen

• Pathogen

• Lymphocyte

Most interstitial fluid ...

• is recycled into the blood cells

• is comprised of red blood cells

• enters lymph capillaries

• contains antibodies

Which of the following is INCORRECT about lymph capillaries?

• They have dead ends

• They contain valves

• They are lined with overlapping epithelial cells

• They actively pump lymph around the body

Which of the following is considered a lymph nodule rather than an organ

• Tonsils

• Spleen

• Thymus

Which of the following is NOT a duct used to return lymph to the cardiovascular system?

• Left lymphatic duct

• Right lymphatic duct

• Thoracic Duct

Which of the following is an external barrier in the innate/nonspecific defenses?

• Inflammation

• Fever

• Phagocytes

• Mucous Membranes

In which of the following areas do enzyme secretions play the greatest role eliminating pathogens?

• Bladder

• Gastrointestinal tract

• Respiratory Tract

• Skin

which of these is part of the acquired /specific immune response?

• Natural killer cells

• Inflammation

• Phagocytes

• Lymphocytes

The diagram depicts ...

• Innate immunity

• Humoral immunity

• Cell-mediated immunity

• artificial immunity

In the process above, the molecule that activates the B-cell at the activation cell is the ...

• Antibody

• Memory Cell

• Lymphocyte

• Antigen