ASCP CERTIFICATION EXAM QUESTIONS WITH
CORRECT VERIFIED ANSWERS
# Term Definition
1 Bursa of Fabricius
What is not an external defense
mechanism of natural immunity that
provides the human body with a
defense against invading
microorganisms?
2 innate
Having an elevated temperature during
an infection is an example of what type
of immunity?
3 phagocytosis
Which defense mechanism involves
engulfing foreign particles?
4 lysozymes
What plays an important role in making
bacteria susceptible to osmotic lysis?
5 natural killer cells
What is responsible for nonspecific
killing of tumor cells?
6 immunogen
What is capable of eliciting an immune
response?
7 artificial active immunity
Receiving a vaccination is an example
of what type of immunity?
8 humoral immunity
Which response is mediated by
antibodies?
9 thymus
What is considered to be a primary
lymphoid organ?
,10 lymph nodes and spleen
Which organs or systems are capable
of responding to circulating antigens
with the production of specific
lymphocytes and plasma cells?
11 bone marrow
Where are B lymphocytes and T
lymphocytes produced?
# Term Definition
12 T cells
What cells are thymus-dependent?
13 thymus
Where does the differentiation of T
cells occur?
14 T cells are involved with what? cell-mediated immunity
15 with lymphoid cells from a hypersensitive individual
How can cell-mediated immunity be
transferred to a normal individual?
16 assist B cells in producing antibody
What is the main function of T-helper
cells?
17 suppressor T cells
The production of antibodies is turned
off by which cells?
18 lymphokines
What are small polypeptides given off
by T cells, which regulate the function
of phagocytic cells called?
19 cytoxic T cells
Which T cell acts specifically to kill
tumor cells and virally infected cells?
, 20 CD16
What is not a surface marker for T
cells?
21 B cells
Lymphoid stem cells differentiate in the
bone marrow are called what?
22 plasma cells
What is associated with humoral
immune response?
23 B cells
What cells are identified by the
presence of surface immunoglobulin
receptor?
# Term Definition
24 plasma cells
Which B lymphocytes transform into
cells that produce antibody molecules?
25 monocytes
Which white blood cells migrate to the
tissue and become macrophages?
26 phagocytosis
What is the main function of
polymorphonuclear white blood cells?
27
What is the major histocompatibility
the genes that control expression of the HLA antigens
complex?
28
The major histocompatibility complex is auto immune disease associations organ transplantation
important in? paternity testing
29 HLA-DR
What is not a class I gene product?
30 What are class II gene products? HLA-DP HLA-DQ HLA-DR
CORRECT VERIFIED ANSWERS
# Term Definition
1 Bursa of Fabricius
What is not an external defense
mechanism of natural immunity that
provides the human body with a
defense against invading
microorganisms?
2 innate
Having an elevated temperature during
an infection is an example of what type
of immunity?
3 phagocytosis
Which defense mechanism involves
engulfing foreign particles?
4 lysozymes
What plays an important role in making
bacteria susceptible to osmotic lysis?
5 natural killer cells
What is responsible for nonspecific
killing of tumor cells?
6 immunogen
What is capable of eliciting an immune
response?
7 artificial active immunity
Receiving a vaccination is an example
of what type of immunity?
8 humoral immunity
Which response is mediated by
antibodies?
9 thymus
What is considered to be a primary
lymphoid organ?
,10 lymph nodes and spleen
Which organs or systems are capable
of responding to circulating antigens
with the production of specific
lymphocytes and plasma cells?
11 bone marrow
Where are B lymphocytes and T
lymphocytes produced?
# Term Definition
12 T cells
What cells are thymus-dependent?
13 thymus
Where does the differentiation of T
cells occur?
14 T cells are involved with what? cell-mediated immunity
15 with lymphoid cells from a hypersensitive individual
How can cell-mediated immunity be
transferred to a normal individual?
16 assist B cells in producing antibody
What is the main function of T-helper
cells?
17 suppressor T cells
The production of antibodies is turned
off by which cells?
18 lymphokines
What are small polypeptides given off
by T cells, which regulate the function
of phagocytic cells called?
19 cytoxic T cells
Which T cell acts specifically to kill
tumor cells and virally infected cells?
, 20 CD16
What is not a surface marker for T
cells?
21 B cells
Lymphoid stem cells differentiate in the
bone marrow are called what?
22 plasma cells
What is associated with humoral
immune response?
23 B cells
What cells are identified by the
presence of surface immunoglobulin
receptor?
# Term Definition
24 plasma cells
Which B lymphocytes transform into
cells that produce antibody molecules?
25 monocytes
Which white blood cells migrate to the
tissue and become macrophages?
26 phagocytosis
What is the main function of
polymorphonuclear white blood cells?
27
What is the major histocompatibility
the genes that control expression of the HLA antigens
complex?
28
The major histocompatibility complex is auto immune disease associations organ transplantation
important in? paternity testing
29 HLA-DR
What is not a class I gene product?
30 What are class II gene products? HLA-DP HLA-DQ HLA-DR
