Lesson 4-1: Introduction to Immunology
TRUE/FALSE
1. The lymph nodes and spleen are parts of the secondary lymphoid system.
ANS: T PTS: 1
2. The formation of an insoluable antigen-antibody complex is called precipitation.
ANS: T PTS: 1
3. Any leukocyte can produce monoclonal antibodies.
ANS: F PTS: 1
MULTIPLE CHOICE
1. Humoral immunity is brought about primarily by:
a. T cells d. all of the above (a–c)
b. lymphokines e. none of the above (a–c)
c. antibodies
ANS: C PTS: 1
2. The antibody class that is predominant in secretions is:
a. IgG d. IgD
b. IgM e. IgE
c. IgA
ANS: C PTS: 1
3. The class of antibody produced first after exposure to antigen is:
a. IgG d. IgE
b. IgM e. IgD
c. IgA
, ANS: B PTS: 1
4. Specific immunity is characterized by all of the following EXCEPT:
a. specificity c. recognition
b. inflammation d. memory
ANS: B PTS: 1
5. Which of the following is NOT considered secondary lymphoid tissue?
a. lymph nodes c. thymus
b. spleen d. tonsils
ANS: C PTS: 1
6. All of the following are characteristics of the inflammatory response EXCEPT:
a. phagocytic action of neutrophils c. complement proteins
b. redness, swelling, pain, and heat d. antibody production
ANS: D PTS: 1
7. The cells that are destroyed in HIV infection are:
a. monocytes c. CD8+ cells
b. CD4+ cells d. B lymphocytes
ANS: B PTS: 1
8. The largest immunoglobulin is:
a. IgG d. IgE
b. IgM e. IgD
c. IgA
ANS: B PTS: 1
9. The reaction that occurs when soluble antigen is reacted with specific antibody is:
a. agglutination d. precipitation
b. diffusion e. none of the above
c. fixation
ANS: D PTS: 1
COMPLETION
1. The antibody class that is in highest concentration in serum is ____________________.
ANS:
IgG
immunoglobulin G
PTS: 1
2. Cell-mediated immunity is brought about primarily by ____________________ lymphocytes.
ANS: T
PTS: 1
, 3. Hypersensitivity or allergic responses are associated with ____________________.
ANS:
IgE
immunoglobulin E
PTS: 1
4. A foreign substance that induces an immune response by causing antibody production is a(n)
____________________.
ANS:
antigen
Ag
immunogen
PTS: 1
5. A hypersensitive condition is more commonly called a(n) ____________________.
ANS: allergy
PTS: 1
6. An individual who is able to produce a normal immune response is said to be
____________________.
ANS: immunocompetent
PTS: 1
7. An individual who has reduced ability to produce an immune response is said to be
____________________.
ANS:
immunocompromised
immunodeficient
PTS: 1
8. The portion of an antigen that reacts specifically with an antibody is the ____________________.
ANS: epitope
PTS: 1
9. An assay that uses an enzyme-labeled antibody as a reactant is a(n) ____________________.
ANS:
enzyme immunoassay
EIA
PTS: 1