5 Written Questions

1. any substance (as a toxin or enzyme) that stimulates the production of antibodies
2. red blood cells
3. A lymphocyte which identifies pathogens and distinguishes one kind of pathogen from another
4. a hemoprotein composed of globin and heme that gives red blood cells their characteristic color
5. short-term immunity caused when antibodies produced by other animals for a pathogen are injected into the body

5 Matching Questions

1. eosinphils
2. pacemaker
3. leukocytes
4. interleukin
5. basophils

1. a White blood cells, White blood cells
2. b Blood cells that enter damaged tissues and enhance the inflammation process and contain histamine and heparin
3. c a protein produced by certain white blood cells that regulates immune responses by activating lymphocytes and initiating fever
4. d type of granulocytes ,large numbers often present in the presence of a parasitic infection
5. e a specialized bit of heart tissue that controls the heartbeat

5 Multiple Choice Questions

1. many small oval structures that filter the lymph received from the lymph vessels
   1. lymphocytes
   2. lymph nodes
   3. lymph
   4. SA node
2. colorless watery fluid of blood and lymph containing no cells and in which erythrocytes and leukocytes and platelets are suspended
   1. alveoli
   2. plasma
   3. lymph
   4. atrium
3. Protein threads that form the basis of a blood clot
   1. veins
   2. atrium
   3. fibrin
   4. antibody
4. tiny sacs of lung tissue specialized for the movement of gases between air and blood
   1. alveoli
   2. t cell
   3. b cell
   4. AV node
5. Plasma protein that is converted to fibrin in the clotting process
   1. antigen
   2. AV node
   3. fibrinogen
   4. fibrin

5 True/False Questions

1. active immunity → a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens

   True        False

2. t cell receptors → A lymphocyte which identifies pathogens and distinguishes one kind of pathogen from another

   True        False

3. pulmonary circuit → carries blood to the lungs for gas exchange and returns it to the heart

   True        False

4. thrombocytes → an agranular leukocyte that is able to migrate into tissues and transform into a macrophage

   True        False

5. helper t cells → recognize & fight foreign invades, form of T cells

   True        False