CIULLA: IMMUNOSEROLOGY EXAM QUESTIONS WITH CORRECT ANSWERS |LATEST UPDATE
100% SOLVED| GRADED A+
1. The activity of natural killer (NK) cells:
A. Does not require previous exposure to an antigen
B. Involves phagocytosis and killing of bacteria
C. Requires interaction with cytotoxic T cells
D. Requires interaction with B cells A. Does not require previous exposure to an antigen
2. Interaction between B and T helper cells involves
A. MHC II molecule on B cell binding to MHC I molecule on the T cell
B. MHC II molecule on B cell binding to CD3 on the T cell
C. Foreign antigen on B cell binding to T cell receptor
D. CD3 molecule on B cell binding to T cell receptor C. Foreign antigen on B cell binding to T
cell receptor
3. Which of the following is a characteristic of T cells?
A. Synthesize antibody
B. Mature in the thymus
C. Able to bind unprocessed antigen
D. Primarily protect against extracellular parasites B. Mature in the thymus
,4. The primary mechanism responsible for pathology in systemic lupus erythematosus is:
A. Allergic reaction to foreign molecules
B. Antibodies directed against self antigens
C. Polycolonal activation of cytotoxic T cells
D. Lack of intracellular killing after neutrophil phagocytosis of bacteria B. Antibodies
directed against self antigens
5. Which complement protein is present in the greatest concentration in human serum?
A. C1
B. C2
C. C3
D. C4 C. C3
66. An autoimmune disease causing destruction of pancreatic cells can result in:
A. Hashimoto disease
B. Multiple sclerosis
C. Myasthemia gravis
D. Type I diabetes D. Type I diabetes
7. An Ouchterlong gel diffusion plate is depicted in Color Plate 24. The center well contains
antibody and the peripheral wells contain antigens labeled 1 through 4. What is the relationship
between the antigens in wells 2 and 3?
, A. 2 is part of 3.
B. 3 is part of 2.
C. they are identical
D. they are unrelated D. they are unrelated
8. An Ouchterlong gel diffusion plate is depicted in Color Plate 24. The center well contains
antibody, and the peripheral wells contain antigens labeled 1 through 4. What is the
relationship between the antigens in wells 2 and 4?
A. Cannot be determined
B. They are identical
C. They are unrelated
D. They react incompletely with the antibody B. They are identical
9. Which of the following complement proteins is part of the membrane attack complex?
A C1
B. C3
C. C4
D. C5 D. C5
10. Which of the following is characteristic of contact hypersensitivity reactions?
A. Caused by preformed IgE antibody
B. Characterized by infiltration of neutrophils into the area of reaction
100% SOLVED| GRADED A+
1. The activity of natural killer (NK) cells:
A. Does not require previous exposure to an antigen
B. Involves phagocytosis and killing of bacteria
C. Requires interaction with cytotoxic T cells
D. Requires interaction with B cells A. Does not require previous exposure to an antigen
2. Interaction between B and T helper cells involves
A. MHC II molecule on B cell binding to MHC I molecule on the T cell
B. MHC II molecule on B cell binding to CD3 on the T cell
C. Foreign antigen on B cell binding to T cell receptor
D. CD3 molecule on B cell binding to T cell receptor C. Foreign antigen on B cell binding to T
cell receptor
3. Which of the following is a characteristic of T cells?
A. Synthesize antibody
B. Mature in the thymus
C. Able to bind unprocessed antigen
D. Primarily protect against extracellular parasites B. Mature in the thymus
,4. The primary mechanism responsible for pathology in systemic lupus erythematosus is:
A. Allergic reaction to foreign molecules
B. Antibodies directed against self antigens
C. Polycolonal activation of cytotoxic T cells
D. Lack of intracellular killing after neutrophil phagocytosis of bacteria B. Antibodies
directed against self antigens
5. Which complement protein is present in the greatest concentration in human serum?
A. C1
B. C2
C. C3
D. C4 C. C3
66. An autoimmune disease causing destruction of pancreatic cells can result in:
A. Hashimoto disease
B. Multiple sclerosis
C. Myasthemia gravis
D. Type I diabetes D. Type I diabetes
7. An Ouchterlong gel diffusion plate is depicted in Color Plate 24. The center well contains
antibody and the peripheral wells contain antigens labeled 1 through 4. What is the relationship
between the antigens in wells 2 and 3?
, A. 2 is part of 3.
B. 3 is part of 2.
C. they are identical
D. they are unrelated D. they are unrelated
8. An Ouchterlong gel diffusion plate is depicted in Color Plate 24. The center well contains
antibody, and the peripheral wells contain antigens labeled 1 through 4. What is the
relationship between the antigens in wells 2 and 4?
A. Cannot be determined
B. They are identical
C. They are unrelated
D. They react incompletely with the antibody B. They are identical
9. Which of the following complement proteins is part of the membrane attack complex?
A C1
B. C3
C. C4
D. C5 D. C5
10. Which of the following is characteristic of contact hypersensitivity reactions?
A. Caused by preformed IgE antibody
B. Characterized by infiltration of neutrophils into the area of reaction
