NURS 5315 IMMUNITY EXAM QUESTIONS WITH CORRECT
DETAILED ANSWERS GRADED A+
Which of the following cells is responsible for detecting and destroying infected
cells in the innate immune system?
A) B lymphocytes
B) Natural killer (NK) cells
C) Helper T cells
D) Dendritic cells - ✅✅B) Natural killer (NK) cells
Which of the following immunoglobulins is primarily found in mucosal areas such
as the respiratory and gastrointestinal tracts?
A) IgA
B) IgM
C) IgG
D) IgE - ✅✅A) IgA
Which of the following describes the role of T lymphocytes in adaptive immunity?
A) Produce antibodies to neutralize pathogens
B) Present antigens to B cells
C) Destroy infected cells directly
,D) Activate the complement system - ✅✅C) Destroy infected cells directly
Which of the following describes the difference between innate and adaptive
immunity?
A) Innate immunity is specific to individual pathogens, while adaptive immunity is
nonspecific.
B) Adaptive immunity provides immediate protection, while innate immunity is
slower to respond.
C) Innate immunity is present at birth and provides nonspecific protection, while
adaptive immunity is acquired and specific
D) Both innate and adaptive immunity function in a similar way, with no
significant differences. - ✅✅C) Innate immunity is present at birth and provides
nonspecific protection, while adaptive immunity is acquired and specific.
What is the role of memory cells in adaptive immunity?
A) To respond to new pathogens with a stronger, faster immune response
B) To produce antibodies
C) To neutralize pathogens
D) To activate complement proteins - ✅✅A) To respond to new pathogens with a
stronger, faster immune response
Which of the following describes the structure of an antibody (immunoglobulin)?
, A) A Y-shaped molecule with two heavy chains and two light chains
B) A linear protein with one binding site
C) A spherical protein composed of a single polypeptide
D) A multimeric protein with multiple antigen-binding sites - ✅✅A) A Y-shaped
molecule with two heavy chains and two light chains
What type of immune response is involved in the activation of cytotoxic T cells?
A) Humoral immune response
B) Cellular immune response
C) Innate immune response
D) Complement response - ✅✅B) Cellular immune response
Which of the following is the primary difference between innate and adaptive
immunity?
A) Innate immunity is acquired after exposure to a pathogen, while adaptive
immunity is present at birth.
B) Innate immunity is nonspecific, while adaptive immunity is highly specific.
C) Adaptive immunity does not involve antibodies, while innate immunity does
.D) Adaptive immunity provides a rapid response, while innate immunity is slower.
- ✅✅B) Innate immunity is nonspecific, while adaptive immunity is highly
specific.
DETAILED ANSWERS GRADED A+
Which of the following cells is responsible for detecting and destroying infected
cells in the innate immune system?
A) B lymphocytes
B) Natural killer (NK) cells
C) Helper T cells
D) Dendritic cells - ✅✅B) Natural killer (NK) cells
Which of the following immunoglobulins is primarily found in mucosal areas such
as the respiratory and gastrointestinal tracts?
A) IgA
B) IgM
C) IgG
D) IgE - ✅✅A) IgA
Which of the following describes the role of T lymphocytes in adaptive immunity?
A) Produce antibodies to neutralize pathogens
B) Present antigens to B cells
C) Destroy infected cells directly
,D) Activate the complement system - ✅✅C) Destroy infected cells directly
Which of the following describes the difference between innate and adaptive
immunity?
A) Innate immunity is specific to individual pathogens, while adaptive immunity is
nonspecific.
B) Adaptive immunity provides immediate protection, while innate immunity is
slower to respond.
C) Innate immunity is present at birth and provides nonspecific protection, while
adaptive immunity is acquired and specific
D) Both innate and adaptive immunity function in a similar way, with no
significant differences. - ✅✅C) Innate immunity is present at birth and provides
nonspecific protection, while adaptive immunity is acquired and specific.
What is the role of memory cells in adaptive immunity?
A) To respond to new pathogens with a stronger, faster immune response
B) To produce antibodies
C) To neutralize pathogens
D) To activate complement proteins - ✅✅A) To respond to new pathogens with a
stronger, faster immune response
Which of the following describes the structure of an antibody (immunoglobulin)?
, A) A Y-shaped molecule with two heavy chains and two light chains
B) A linear protein with one binding site
C) A spherical protein composed of a single polypeptide
D) A multimeric protein with multiple antigen-binding sites - ✅✅A) A Y-shaped
molecule with two heavy chains and two light chains
What type of immune response is involved in the activation of cytotoxic T cells?
A) Humoral immune response
B) Cellular immune response
C) Innate immune response
D) Complement response - ✅✅B) Cellular immune response
Which of the following is the primary difference between innate and adaptive
immunity?
A) Innate immunity is acquired after exposure to a pathogen, while adaptive
immunity is present at birth.
B) Innate immunity is nonspecific, while adaptive immunity is highly specific.
C) Adaptive immunity does not involve antibodies, while innate immunity does
.D) Adaptive immunity provides a rapid response, while innate immunity is slower.
- ✅✅B) Innate immunity is nonspecific, while adaptive immunity is highly
specific.
