Test Bank for Cellular and Molecular Immunology
10th Edition by Abbas
Which of the following is NOT considered an innate immune receptor?
A. NOD-like receptors (NLRs)
B. RIG-like receptors (RLRs)
C. Surface antibodies
D. Toll-like receptors (TLRs) - Surface antibodies
In the process of inflammation, the immediate and initial vasoconstriction in the
precapillary arterioles is the result of:
A. Neural impulse by the sympathetic system
B. cytokine production
c. chemotaxis of neutrophils
d. endothelial cell contraction
e. mast cell degranulation - Neural impulse by the sympathetic system
In the process of inflammation, the vasodilation is the result of:
,A. Neural impulse by the sympathetic system
B. cytokine production
c. chemotaxis of neutrophils
d. endothelial cell contraction
e. mast cell degranulation - mast cell degranulation
The functional significance of diversity in the adaptive immune system is to
A. ensure that distinct antigens elicit specific responses.
B. enable the immune system to respond to a larg e variety of antigens.
C. lead to an enhanced responses to repeated exposures to the same antigens.
D. increase the number of antigen-specific lymphocytes from a small number of naive
lymphocytes.
E. allow the immune system to respond to newly encountered antigens. - B. enable the
immune system to respond to a large variety of antigens.
Influenza viruses infect humans and elicit an immune response that is often insufficient
to protect the individual from sickness or death.Which of the following structures are
on influenza viruses, allowing them to be recognized by the human immune system?
a. pathogen-associated-molecular patterns
b. pattern recognition receptors
c. MHC II molecules
d. MHC I molecules
e. somatically generated receptors (antigen receptors) - a. pathogen-associated-
molecular patterns
The host defences which provide immediate protection against microbial invasion are
grouped under:
,a. Innate Immunity
b. Adaptive Immunity
c. Both Innate and Adaptive Immunities
d. Natural Selection - a. Innate Immunity
*Which of the following best describes MHC restriction?
A. It is the characteristic ability of helper T -lymphocytes to recognize a foreign peptide
antigen only when it is bound to a part icular allelic form of an MHC molecule
B. it is the characteristic ability of a cytolytic t -lymphocytes to recognize peptide
antigen only when it is bound to a particular allelic form of an MHC
C. antigen-presenting cells are capable of displaying peptides , along its Class II MHC
molecules to the helper T lymphocyte
D. any nucleated cell is capable of displaying peptides, along its class I MHC molecules
to the cytolytic T-lymphocytes
E. all of the above - all of the above
The phases and order of the speci fic or acquired immune response are:
A. Recognition phase; Activation phase; Effector phase; Homeostasis phase
B. Recognition phase; Activation phase; Effector phase; Memory phase
C. Recognition phase; Effector phase; Homeostasis phase; Memory phase
D. Recognition phase; Activation phase; Effector phase; Homeostasis phase; Memory
phase - D. Recognition phase; Activation phase; Effector phase; Homeostasis phase;
Memory phase
The host defences which develop more slowly and provides more specialized def ence
against infections are grouped under:
a. Innate Immunity
b. Adaptive Immunity
, c. Both Innate and Adaptive Immunities
d. Natural Selection - b. Adaptive Immunity
The germinal centers found in the cortical region of lymph nodes and the peripheral
region of splenic periarteriolar lymphatic tissue
a. support the development of immature B and T cells
b. function in the removal of damaged erythrocytes from the circulation
c. act as the major source of stem cells and thus help to maintain hematopoiesis
d. contains large populations of B lymphocytes and plasma cells
e. are the sites of NK-cell differentiation - d. contains large populations of B
lymphocytes and plasma cells
*Regarding the properties of adaptive immunoresponses, the function significance tha t
allows immune system to respond to newly encountered antigens is best described as
a. diversity
b. clonal expansion
c. contraction and homeostasis
d. specialization
e. specificity - contraction and homeostasis
Which cell type(s) express antigen -specific receptors?
a. T cells.
b. B cells.
c. Natural Killer (NK) cells.
d. Both T and B cells.
e. All of the above. - d. Both T and B cells.
10th Edition by Abbas
Which of the following is NOT considered an innate immune receptor?
A. NOD-like receptors (NLRs)
B. RIG-like receptors (RLRs)
C. Surface antibodies
D. Toll-like receptors (TLRs) - Surface antibodies
In the process of inflammation, the immediate and initial vasoconstriction in the
precapillary arterioles is the result of:
A. Neural impulse by the sympathetic system
B. cytokine production
c. chemotaxis of neutrophils
d. endothelial cell contraction
e. mast cell degranulation - Neural impulse by the sympathetic system
In the process of inflammation, the vasodilation is the result of:
,A. Neural impulse by the sympathetic system
B. cytokine production
c. chemotaxis of neutrophils
d. endothelial cell contraction
e. mast cell degranulation - mast cell degranulation
The functional significance of diversity in the adaptive immune system is to
A. ensure that distinct antigens elicit specific responses.
B. enable the immune system to respond to a larg e variety of antigens.
C. lead to an enhanced responses to repeated exposures to the same antigens.
D. increase the number of antigen-specific lymphocytes from a small number of naive
lymphocytes.
E. allow the immune system to respond to newly encountered antigens. - B. enable the
immune system to respond to a large variety of antigens.
Influenza viruses infect humans and elicit an immune response that is often insufficient
to protect the individual from sickness or death.Which of the following structures are
on influenza viruses, allowing them to be recognized by the human immune system?
a. pathogen-associated-molecular patterns
b. pattern recognition receptors
c. MHC II molecules
d. MHC I molecules
e. somatically generated receptors (antigen receptors) - a. pathogen-associated-
molecular patterns
The host defences which provide immediate protection against microbial invasion are
grouped under:
,a. Innate Immunity
b. Adaptive Immunity
c. Both Innate and Adaptive Immunities
d. Natural Selection - a. Innate Immunity
*Which of the following best describes MHC restriction?
A. It is the characteristic ability of helper T -lymphocytes to recognize a foreign peptide
antigen only when it is bound to a part icular allelic form of an MHC molecule
B. it is the characteristic ability of a cytolytic t -lymphocytes to recognize peptide
antigen only when it is bound to a particular allelic form of an MHC
C. antigen-presenting cells are capable of displaying peptides , along its Class II MHC
molecules to the helper T lymphocyte
D. any nucleated cell is capable of displaying peptides, along its class I MHC molecules
to the cytolytic T-lymphocytes
E. all of the above - all of the above
The phases and order of the speci fic or acquired immune response are:
A. Recognition phase; Activation phase; Effector phase; Homeostasis phase
B. Recognition phase; Activation phase; Effector phase; Memory phase
C. Recognition phase; Effector phase; Homeostasis phase; Memory phase
D. Recognition phase; Activation phase; Effector phase; Homeostasis phase; Memory
phase - D. Recognition phase; Activation phase; Effector phase; Homeostasis phase;
Memory phase
The host defences which develop more slowly and provides more specialized def ence
against infections are grouped under:
a. Innate Immunity
b. Adaptive Immunity
, c. Both Innate and Adaptive Immunities
d. Natural Selection - b. Adaptive Immunity
The germinal centers found in the cortical region of lymph nodes and the peripheral
region of splenic periarteriolar lymphatic tissue
a. support the development of immature B and T cells
b. function in the removal of damaged erythrocytes from the circulation
c. act as the major source of stem cells and thus help to maintain hematopoiesis
d. contains large populations of B lymphocytes and plasma cells
e. are the sites of NK-cell differentiation - d. contains large populations of B
lymphocytes and plasma cells
*Regarding the properties of adaptive immunoresponses, the function significance tha t
allows immune system to respond to newly encountered antigens is best described as
a. diversity
b. clonal expansion
c. contraction and homeostasis
d. specialization
e. specificity - contraction and homeostasis
Which cell type(s) express antigen -specific receptors?
a. T cells.
b. B cells.
c. Natural Killer (NK) cells.
d. Both T and B cells.
e. All of the above. - d. Both T and B cells.
