HMX IMMUNOLOGY FINAL EXAM
SCRIPT 2026 COMPLETE QUESTIONS
ACCURATE ANSWERS
◉ How many antigen-binding sites does a typical IgM molecule have?
A-2
B-4
C-10
D-20. Answer: C-10
◉ Which antibody is found in saliva, tears, colostrum, milk, and
intestinal fluids?
A-IgA
B-IgM
C-IgG
D-IgE
E-IgD. Answer: A-IgA
◉ Which of the following antigens is found on the T-helper lymphocyte
(helper T)?
A-CD19
B-CD4
C-CD8
D-CD38. Answer: B-CD4
,◉ Humoral immunity refers to which of the following?
A-Downregulation of the immune response
B-Production of cytokines by T cells
C-Elimination of virally infected cells
D-Production of antibody by plasma cells. Answer: D-Production of
antibody by plasma cells
◉ Which MHC molecule is needed for antigen recognition by CD4+ T
cells?
A-Class I
B-Class II
C-No MHC is necessary. Answer: B-Class II
◉ Which antibody class is generally considered the primary response
antibody?
A-IgA
B-IgD
C-IgE
D-IgG
E-IgM. Answer: E-IgM
◉ Which of the following are L (light) chains of antibody molecules?
A-Mu and Alpha
,B-Alpha and Lambda
C-Delta and Epsilon
D-Kappa and Lambda
E-Gamma and Mu. Answer: D-Kappa and Lambda
◉ Which of the following immunoglobulins is primarily a cell-
membrane immunoglobulin found on the surface of B lymphocytes in
association with IgM?
A-IgA
B-IgD
C-IgE
D-IgG. Answer: B-IgD
◉ Which immunoglobulin class mediates some types of hypersensitivity
reactions and anaphylaxis, and is generally responsible for an
individual's immunity to invading parasites?
A-IgA
B-IgD
C-IgE
D-IgG
E-IgM. Answer: C-IgE
◉ Which of the following cells have high concentrations of heparin and
histamine in their granules?
, A-Neutrophils
B-Eosinophils
C-Basophils
D-Monocytes
E-Lymphocytes. Answer: C-Basophils
◉ Which of the following terms refers to the coating of an organism by
molecules that speed up phagocytosis?
A-Opsonization
B-Diapadesis
C-Chemotaxis
D-Margination. Answer: A-Opsonization
◉ Patients with a deficiency in NK cells are prone to what type of
recurrent infections?
A-Bacterial
B-Viral
C-Fungal
D-Parasitic. Answer: B-Viral
◉ Gaucher's Disease is a rare genetic disease that impacts the function
of what type of cell?
A-Monocytes-Macrophages
B-Neutrophils
SCRIPT 2026 COMPLETE QUESTIONS
ACCURATE ANSWERS
◉ How many antigen-binding sites does a typical IgM molecule have?
A-2
B-4
C-10
D-20. Answer: C-10
◉ Which antibody is found in saliva, tears, colostrum, milk, and
intestinal fluids?
A-IgA
B-IgM
C-IgG
D-IgE
E-IgD. Answer: A-IgA
◉ Which of the following antigens is found on the T-helper lymphocyte
(helper T)?
A-CD19
B-CD4
C-CD8
D-CD38. Answer: B-CD4
,◉ Humoral immunity refers to which of the following?
A-Downregulation of the immune response
B-Production of cytokines by T cells
C-Elimination of virally infected cells
D-Production of antibody by plasma cells. Answer: D-Production of
antibody by plasma cells
◉ Which MHC molecule is needed for antigen recognition by CD4+ T
cells?
A-Class I
B-Class II
C-No MHC is necessary. Answer: B-Class II
◉ Which antibody class is generally considered the primary response
antibody?
A-IgA
B-IgD
C-IgE
D-IgG
E-IgM. Answer: E-IgM
◉ Which of the following are L (light) chains of antibody molecules?
A-Mu and Alpha
,B-Alpha and Lambda
C-Delta and Epsilon
D-Kappa and Lambda
E-Gamma and Mu. Answer: D-Kappa and Lambda
◉ Which of the following immunoglobulins is primarily a cell-
membrane immunoglobulin found on the surface of B lymphocytes in
association with IgM?
A-IgA
B-IgD
C-IgE
D-IgG. Answer: B-IgD
◉ Which immunoglobulin class mediates some types of hypersensitivity
reactions and anaphylaxis, and is generally responsible for an
individual's immunity to invading parasites?
A-IgA
B-IgD
C-IgE
D-IgG
E-IgM. Answer: C-IgE
◉ Which of the following cells have high concentrations of heparin and
histamine in their granules?
, A-Neutrophils
B-Eosinophils
C-Basophils
D-Monocytes
E-Lymphocytes. Answer: C-Basophils
◉ Which of the following terms refers to the coating of an organism by
molecules that speed up phagocytosis?
A-Opsonization
B-Diapadesis
C-Chemotaxis
D-Margination. Answer: A-Opsonization
◉ Patients with a deficiency in NK cells are prone to what type of
recurrent infections?
A-Bacterial
B-Viral
C-Fungal
D-Parasitic. Answer: B-Viral
◉ Gaucher's Disease is a rare genetic disease that impacts the function
of what type of cell?
A-Monocytes-Macrophages
B-Neutrophils
