BOC Immunology Questions and
Answers Already Passed
What is the significance of a complete blood count (CBC) in immunology?
A) To assess liver function
✔✔B) To evaluate immune cell levels and function
C) To measure glucose levels
D) To determine blood type
What does the term "immunocompromised" refer to?
A) Strong immune response
✔✔B) Weakened immune system
C) Normal immune function
D) High antibody levels
What is the main function of natural killer (NK) cells?
A) To produce antibodies
✔✔B) To kill virus-infected and tumor cells
C) To enhance phagocytosis
1
,D) To transport oxygen
What does a positive test for antibodies to streptolysin O indicate?
✔✔A) Recent streptococcal infection
B) Viral infection
C) Bacterial infection
D) Autoimmune disease
What does a positive anti-nuclear antibody (ANA) test suggest?
A) Normal immune function
✔✔B) Possible autoimmune disease
C) Viral infection
D) Bacterial infection
What is the primary role of cytokines in the immune response?
A) To produce antibodies
B) To transport oxygen
✔✔C) To communicate between immune cells
2
,D) To filter blood
Which immunoglobulin is the most abundant in the bloodstream?
✔✔A) IgG
B) IgM
C) IgA
D) IgE
What is the primary function of antibodies in the immune system?
✔✔A) To identify and neutralize pathogens
B) To produce hormones
C) To transport oxygen
D) To regulate body temperature
Which type of immunity is acquired through vaccination?
✔✔A) Active immunity
B) Passive immunity
C) Innate immunity
3
, D) Natural immunity
What is the role of T cells in the immune response?
A) To produce antibodies
✔✔B) To directly attack infected or cancerous cells
C) To enhance phagocytosis
D) To secrete cytokines
What does a positive rheumatoid factor test indicate?
A) Normal immune function
✔✔B) Possible rheumatoid arthritis
C) Viral infection
D) Bacterial infection
What is the function of the complement system in immunology?
A) To produce antibodies
✔✔B) To enhance the immune response against pathogens
C) To inhibit inflammation
4
Answers Already Passed
What is the significance of a complete blood count (CBC) in immunology?
A) To assess liver function
✔✔B) To evaluate immune cell levels and function
C) To measure glucose levels
D) To determine blood type
What does the term "immunocompromised" refer to?
A) Strong immune response
✔✔B) Weakened immune system
C) Normal immune function
D) High antibody levels
What is the main function of natural killer (NK) cells?
A) To produce antibodies
✔✔B) To kill virus-infected and tumor cells
C) To enhance phagocytosis
1
,D) To transport oxygen
What does a positive test for antibodies to streptolysin O indicate?
✔✔A) Recent streptococcal infection
B) Viral infection
C) Bacterial infection
D) Autoimmune disease
What does a positive anti-nuclear antibody (ANA) test suggest?
A) Normal immune function
✔✔B) Possible autoimmune disease
C) Viral infection
D) Bacterial infection
What is the primary role of cytokines in the immune response?
A) To produce antibodies
B) To transport oxygen
✔✔C) To communicate between immune cells
2
,D) To filter blood
Which immunoglobulin is the most abundant in the bloodstream?
✔✔A) IgG
B) IgM
C) IgA
D) IgE
What is the primary function of antibodies in the immune system?
✔✔A) To identify and neutralize pathogens
B) To produce hormones
C) To transport oxygen
D) To regulate body temperature
Which type of immunity is acquired through vaccination?
✔✔A) Active immunity
B) Passive immunity
C) Innate immunity
3
, D) Natural immunity
What is the role of T cells in the immune response?
A) To produce antibodies
✔✔B) To directly attack infected or cancerous cells
C) To enhance phagocytosis
D) To secrete cytokines
What does a positive rheumatoid factor test indicate?
A) Normal immune function
✔✔B) Possible rheumatoid arthritis
C) Viral infection
D) Bacterial infection
What is the function of the complement system in immunology?
A) To produce antibodies
✔✔B) To enhance the immune response against pathogens
C) To inhibit inflammation
4
