MT AAB Immunology Exam Questions with Verified Solutions 100% Veri
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1. Which of the following is not an external defense mechanism of natural
immunity that provides the human body with a defense against invading mi-
croorganisms?: Bursa of Fabricius
2. All of the following are external defense mechanisms of natural immunity that
provides the human body with a defense against invading microorganisms: Skin,
mucus, and body fluids
3. Having an elevated temperature during an infection is an example of what
type of immunity?: Innate immunity
4. Which defense mechanism involves engulfing foreign particles?: Phagocytosis
5. Which one plays an important role in making bacteria susceptible to osmotic
lysis?: Lysozymes
6. Which one of the following is responsible for the nonspecific killing of tumor
cells?: Natural killer cells
7. Which one of the following is capable of eliciting an immune response?: Im-
munogen
8. Receiving a vaccination is an example of which type of immunity?: Artificial active
immunity
9. Which immune response is mediated by antibiotics?: Humoral immunity
10. Which one of the following is considered to be a primary lymphoid organ?: -
Thymus
11. Which organs or systems are capable of responding to circulating antigens
with the production of specific lymphocytes and plasma cells?: Lymph nodes and spleen
12. Where are B lymphocytes and T lymphocytes produced?: Bone marrow
13. Which of the following cells are thymus-dependent?: T cells
14. Where does the differentiation of T cells occur?: Thymus
15. T cells are involved with which of the following?: Cell-mediated immunity
16. How can cell-mediated immunity be transferred to a normal individual?: With
lymphoid cells from a hypersensitive person
17. What is the main function of T helper cells?: Assist B cells in producing antibody
18. The production of antibodies is turned off by which cells?: Suppressor T cells
19. What are small polypeptides given off by T cells, which regulate the function
of phagocytic cells called?: Lymphokines
, MT AAB Immunology Exam Questions with Verified Solutions 100% Veri
Study online at https://quizlet.com/_i2ty5d
20. Which T cell acts specifically to kill tumor cells and virally infected cells?: Cy-
totoxic T cells
21. All of the following are surface markers for T cells EXCEPT which one?: CD 16
22. All of the following are surface markers for T cells:: CD2, CD4, CD8
23. Lymphoid stem cells that differentiate in the bone marrow are called what?: B
cells
24. Which one of the following is associated with the humoral immune re-
sponse?: Plasma cells
25. Which cells are identified by the presence of surface immunoglobulin recep-
tor?: B cells
26. Which B lymphocytes transform into cells that produce antibody molecules?-
: Plasma cells
27. Which WBCs migrate to the tissue and become macrophages?: Monocytes
28. Which one of the following cells ingest and destroy bacteria, damaged host
cells, and tumor cells?: Macrophages
29. What is the main function of polymorphonuclear WBCs: Phagocytosis
30. What is the major histocompatibility complex?: The genes that control the expression of the
HLA antigens
31. The major histocompatibility complex is important in all of the following:: -
Autoimmune disease associations, organ transplantation, paternity testing
32. The major histocompatibility complex is important in all of the following
EXCEPT:: Acute hemolytic transfusion reactions
33. Which of the following is not a class I gene product?: HLA-DR
34. The following are class I gene products?: HLA-A, HLA-B, HLA-C
35. All of the following are class II gene products:: HLA-DP, HLA-DQ, and HLA-DR
36. All of the following are class II gene products EXCEPT:: HLA:DD
37. Which term describes a macromolecule that is capable of eliciting formation
of immunoglobulins?: Antigen
38. Which of the following substances is the most potent antigen?: Proteins
39. What are the reactive sites on an antigen known as?: Determinants
40. What does heterologous antigen react with?: An antibody whose production it did not induce
41. What term is used to describe an immunoglobulin?: Antibody
Study online at https://quizlet.com/_i2ty5d
1. Which of the following is not an external defense mechanism of natural
immunity that provides the human body with a defense against invading mi-
croorganisms?: Bursa of Fabricius
2. All of the following are external defense mechanisms of natural immunity that
provides the human body with a defense against invading microorganisms: Skin,
mucus, and body fluids
3. Having an elevated temperature during an infection is an example of what
type of immunity?: Innate immunity
4. Which defense mechanism involves engulfing foreign particles?: Phagocytosis
5. Which one plays an important role in making bacteria susceptible to osmotic
lysis?: Lysozymes
6. Which one of the following is responsible for the nonspecific killing of tumor
cells?: Natural killer cells
7. Which one of the following is capable of eliciting an immune response?: Im-
munogen
8. Receiving a vaccination is an example of which type of immunity?: Artificial active
immunity
9. Which immune response is mediated by antibiotics?: Humoral immunity
10. Which one of the following is considered to be a primary lymphoid organ?: -
Thymus
11. Which organs or systems are capable of responding to circulating antigens
with the production of specific lymphocytes and plasma cells?: Lymph nodes and spleen
12. Where are B lymphocytes and T lymphocytes produced?: Bone marrow
13. Which of the following cells are thymus-dependent?: T cells
14. Where does the differentiation of T cells occur?: Thymus
15. T cells are involved with which of the following?: Cell-mediated immunity
16. How can cell-mediated immunity be transferred to a normal individual?: With
lymphoid cells from a hypersensitive person
17. What is the main function of T helper cells?: Assist B cells in producing antibody
18. The production of antibodies is turned off by which cells?: Suppressor T cells
19. What are small polypeptides given off by T cells, which regulate the function
of phagocytic cells called?: Lymphokines
, MT AAB Immunology Exam Questions with Verified Solutions 100% Veri
Study online at https://quizlet.com/_i2ty5d
20. Which T cell acts specifically to kill tumor cells and virally infected cells?: Cy-
totoxic T cells
21. All of the following are surface markers for T cells EXCEPT which one?: CD 16
22. All of the following are surface markers for T cells:: CD2, CD4, CD8
23. Lymphoid stem cells that differentiate in the bone marrow are called what?: B
cells
24. Which one of the following is associated with the humoral immune re-
sponse?: Plasma cells
25. Which cells are identified by the presence of surface immunoglobulin recep-
tor?: B cells
26. Which B lymphocytes transform into cells that produce antibody molecules?-
: Plasma cells
27. Which WBCs migrate to the tissue and become macrophages?: Monocytes
28. Which one of the following cells ingest and destroy bacteria, damaged host
cells, and tumor cells?: Macrophages
29. What is the main function of polymorphonuclear WBCs: Phagocytosis
30. What is the major histocompatibility complex?: The genes that control the expression of the
HLA antigens
31. The major histocompatibility complex is important in all of the following:: -
Autoimmune disease associations, organ transplantation, paternity testing
32. The major histocompatibility complex is important in all of the following
EXCEPT:: Acute hemolytic transfusion reactions
33. Which of the following is not a class I gene product?: HLA-DR
34. The following are class I gene products?: HLA-A, HLA-B, HLA-C
35. All of the following are class II gene products:: HLA-DP, HLA-DQ, and HLA-DR
36. All of the following are class II gene products EXCEPT:: HLA:DD
37. Which term describes a macromolecule that is capable of eliciting formation
of immunoglobulins?: Antigen
38. Which of the following substances is the most potent antigen?: Proteins
39. What are the reactive sites on an antigen known as?: Determinants
40. What does heterologous antigen react with?: An antibody whose production it did not induce
41. What term is used to describe an immunoglobulin?: Antibody
