Chapter 12 Quiz
1. The binding of allergen to IgE on the surface of which cell type triggers the release of histamine and
other chemicals causing an immediate (acute) hypersensitivity response?
a.
b.
c.
d.
memory cell
T cell
plasma cell
mast cell
2. A vaccine is used to stimulate this type of immunity.
a.
b.
c.
d.
naturally acquired active immunity
artificially acquired active immunity
artificially acquired passive immunity
naturally acquired passive immunity
3. What are interferons?
a.
b.
c.
d.
chemicals that reset the body’s thermostat
chemicals that enhance phagocytosis
chemicals that cause foreign cells to lyse
small proteins that hinder the ability of viruses to multiply in body cells
4. A primary function of lymphocytes is to
a.
b.
c.
d.
release substances that initiate blood coagulation
phagocytize damaged cells
produce enzymes that dissolve blood clots
act against foreign antigens entering the body
5. Which of the following statements about the lymphatic system is NOT true?
a.
b.
c.
d.
Macrophages housed in lymph nodes remove bacteria from the lymphatic stream.
Tissue fluid enters the interstitial spaces by leakage from lymphatic capillaries.
Lymphatic vessels pick up excess tissue fluid and return it to the bloodstream.
Lymphatic vessels have thin walls like veins and some have valves.
6. The surface membrane barriers
a.
b.
c.
d.
are the body’s first line of defense against the invasion of disease causing microorganisms
are capable of producing a wide variety of protective chemicals
include mucus membranes that open to the exterior
all of the above
7. Memory cells
a.
b.
c.
d.
are derived from B-lymphocytes
are derived from T-lymphocytes
develop in response to a particular antigen
all of the above
8. What type of graft involves transplanting tissues from a different animal species (i.e., a pig) into a
human?
a.
b.
c.
d.
xenograft
autograft
homograft
allograft
9. The large phagocytic cells housed in the lymph nodes and elsewhere in the body that engulf and destroy
bacteria and other foreign substances are
a.
b.
c.
d.
lymphocytes
natural killer cells
B cells
macrophages
10. Which of the following is NOT one of the four cardinal signs of an acute inflammation?
a.
b.
c.
d.
heat
redness
opsonization
pain
11. Lymph from the left side of the head, neck, chest, left arm, abdomen, and from both legs
a.
b.
c.
d.
filters first through the spleen
returns directly to the vascular system through the left carotid vein
flows into the azygos (cardinal) vein
drains into the thoracic duct
12. Autoimmune disease
a.
b.
c.
d.
is another name for AIDS
is what happens when your body loses the ability to identify self-antigens
is what happens when your antigens begin to act as antibodies thus destroying your tissues
is what happens when your body is invaded by a virus for the second time
13. An antigen is
a.
b.
c.
d.
an erythrocyte
a foreign protein
a white blood cell which destroys bacteria by phagocytosis
a T-lymphocyte
14. The AIDS virus infects
a.
b.
c.
d.
Suppressor T-cells
Helper T-cells
B-cells
Cytotoxic T-cells
15. Chemicals secreted by white blood cells that reset the body’s thermostat to a higher temperature are
called
a.
b.
c.
d.
opsonins
interferons
histamine
pyrogens
16. This substance forms a barrier that helps to prevent the spread of pathogens or harmful agents from an
area of damage to neighboring tissues
a.
b.
c.
d.
lymph
kinin
histamine
fibrin
17. This cell type is essentially an antibody producing factory.
a. plasma cell
b. T cell
c. memory cell
d. macrophage
18. Which of the following is true of cell-mediated immunity?
a.
b.
c.
d.
It involves T-lymphocytes.
It is involved in tissue and organ transplant rejection.
Cells involved in this kind of immunity are clonal.
All of the above.
19. The interferons are a group of chemicals produced by certain leukocytes in response to the presence of
a.
b.
c.
d.
antibodies
viruses
blood parasites
bacteria
20. Activated B-cells produce
a.
b.
c.
d.
plasma cells and cytotoxic cells
plasma cells and memory cells
cytotoxic cells and memory cells
B-cells and T-cells