Immune System

Question 1

what is immunology

Answer 1

the study of the immune system, which also often goes hand in hand with the study of allergies because an allergic reaction is an immune response

Question 2

what is the immune system

Answer 2

the bodys final line of defense against invading microorganisms, harmful chemicals, and foreign bodies

Question 3

what are the kinds of immune cells

Answer 3

b-cells and t-cells

Question 4

what are neutrophils

Answer 4

bodys main defense against infections and antigens. high levels may indicate an active infection and low count may indicate a compromised immune system or depressed bone marrow

Question 5

what are lymphocytes

Answer 5

involved in the protection of the body from viral infections such as measles, rubella, chicken box or infectious mononucleosis. elevated levels may indicate an active viral infection and a depressed level may indicate an exhausted immune system or if neutrophils are also elevated an active infection

Question 6

what are monocytes

Answer 6

fight severe infections and are considered the bodys second line of defense against infection. elevated levels are seen in tissue breakdown, chronic infections, carcinomas, leukemia (monocytic) or lymphomas. low levels indicate a good state of health

Question 7

eosinophiles

Answer 7

used to protect against allergic reactions and parasites, elevated levels may indicate an allergic response, low levels are normal

Question 8

basophils

Answer 8

basophilic activity is not understood fully, but is known to carry histamine, heparin, and serotonin. high levels are found in allergic reactions and low levels are normal

Question 9

what are antibodies

Answer 9

immune system related proteins called immunoglobulins. some destroy antigens directly; others indirectly by making it easier for the white blood cells to destroy the antigen