Which of the following promotes inflammation?

• Basophils only

• Eosinophils only

• Mast cells only

• Both basophils and mast cells

In innate immunity:

• The immunity to a substance is produced only after exposure to that substance and each time the body is exposed to a particular substance, the response is the same.

• Immunity to a substance is produced only after exposure to that substance.

• Each time the body is exposed to a particular substance, the response is the same

• The ability to recognize and remember a particular substance is important.

Innate immunity includes all of these EXCEPT:

• Mechanical Mechanisms

• Chemical mediators

• Antibody production

• cells

Which is a group of approximately 20 proteins found in plasma responsible for inflammation, phagocytosis, and cell lysis?

• Interferons

• Complement

• Prostaglandins

• Natural killer cells

Which of the following is TRUE about B cells?

• They are lymphocytes

• They become mature in the thymus

• They are responsible for cell-mediated immunity

• They are produced in the adult spleen.

Which of the following is TRUE about Antibody molecules?

• They have a constant region that binds to antigens

• They have a variable region that can activate complement or attach to macrophages

• They are large glycolipids

• They are called gammaglobulins or immunoglobulins

Which of the following is responsible for cell-mediated immunity?

• B cells

• Memory B cells

• Cytotoxic T cells

• Helper T cells

Which antibody is found in primarily in saliva, tears, colostrum (breast milk), and other mucoid secretions?

• IgA

• IgE

• IgG

• IgM

What type of immunity results from natural exposure to a disease that prompts the body to produce antibodies?

• Active natural immunity

• Active artificial immunity

• Passive natural immunity

• Passive artificial immunity

Which type of immunity results for the introduction of an antiserum or immunoglobulins?

• Active natural immunity

• Active artificial immunity

• Passive natural immunity

• Passive artificial immunity