LATEST NSG5003 WEEK 2 [2 LATEST
VERSIONS (VERSION A AND B)] NEWEST
2025 ACTUAL EXAM TEST BANK
COMPLETE 300 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
NSG5003 Week 2 Quiz VERSION A
What is the mechanism that results in type II hypersensitivity reactions? -
ANSWER ✔✔- d.
Antibodies bind to the antigens on the cell surface.
When mismatched blood is administered causing an ABO incompatibility, the
erythrocytes are destroyed by - ANSWER ✔✔- a.
Complement-mediated cell lysis
When antibodies are formed against red blood cell antigens of the Rh system, the
blood cells are destroyed by: - ANSWER ✔✔- Phagocytosis in the spleen
When soluble antigens from infectious agents enter circulation, tissue damage is a
result of: - ANSWER ✔✔- d.
Neutrophil granules and toxic oxygen products
1|Page
,Hypersensitivity is best defined as a(an) - ANSWER ✔✔- c.
Altered immunologic response to an antigen that results in disease
A hypersensitivity reaction that produces an allergic response is called: -
ANSWER ✔✔- Anaphylaxis
The common hay fever allergy is expressed through a reaction that is mediated by
which class of immunoglobulins? - ANSWER ✔✔- IgE
Which type of antibody is involved in type I hypersensitivity reaction? - ANSWER
✔✔- IgE
Blood transfusion reactions are an example of: - ANSWER ✔✔- Alloimmunity
During an IgE-mediated hypersensitivity reaction, which leukocyte is activated? -
ANSWER ✔✔- c.
Eosinophils
During an IgE-mediated hypersensitivity reaction, the degranulation of mast cells
is a result of which receptor action? - ANSWER ✔✔- Histamine bound to H2
What characteristic do atopic individuals have that make them genetically
predisposed to develop allergies? - ANSWER ✔✔- c.
Greater quantities of IgE
How are target cells destroyed in a type II hypersensitivity reaction? - ANSWER
✔✔- d.
2|Page
,Natural killer cells
Graves disease (hyperthyroidism) is an example of which type II hypersensitivity
reaction? - ANSWER ✔✔- Modulation
Type III hypersensitivity reactions are a result of which of the following? -
ANSWER ✔✔- b.
Antibodies binding to soluble antigens that were released into body fluids and the
immune complexes being deposited in the tissues
A type IV hypersensitivity reaction causes which result? - ANSWER ✔✔- .
Lymphokine-producing Th1 cells directly attacking and destroying cellular targets
In a type III hypersensitivity reaction, the harmful effects after the immune
complexes that are deposited in tissues are a result of: - ANSWER ✔✔-
Complement activation
Raynaud phenomenon is classified as a type III hypersensitivity reaction and is due
to: - ANSWER ✔✔- a.
Immune complexes that are deposited in capillary beds, blocking circulation
Deficiencies in which element can produce depression of both B- and T-cell
function? - ANSWER ✔✔- Zinc
When the maternal immune system becomes sensitized against antigens expressed
by the fetus, what reaction occurs? - ANSWER ✔✔- Alloimmunity
3|Page
, Tissue damage caused by the deposition of circulating immune complexes
containing an antibody against the host DNA is the cause of which disease? -
ANSWER ✔✔- Systemic lupus erythematosus
Why does tissue damage occurs in acute rejection after organ transplantation? -
ANSWER ✔✔- a.
Th1 cells release cytokines that activate infiltrating macrophages, and cytotoxic T
cells directly attack the endothelial cells of the transplanted tissue.
Which blood cell carries the carbohydrate antigens for blood type? - ANSWER
✔✔- Erythrocytes
A person with type O blood is likely to have high titers of which anti-antibodies? -
ANSWER ✔✔- A and B
Which class of immunoglobulins forms isohemagglutinins? - ANSWER ✔✔- IgM
Which component of the immune system is deficient in individuals with infections
caused by viruses, fungi, or yeast? - ANSWER ✔✔- T cells
In which primary immune deficiency is there a partial-to-complete absence of T-
cell immunity? - ANSWER ✔✔- DiGeorge syndrome
How many months does it take for the newborn to be sufficiently protected by
antibodies produced by its own B cells? - ANSWER ✔✔- 6 to 8
4|Page
VERSIONS (VERSION A AND B)] NEWEST
2025 ACTUAL EXAM TEST BANK
COMPLETE 300 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
NSG5003 Week 2 Quiz VERSION A
What is the mechanism that results in type II hypersensitivity reactions? -
ANSWER ✔✔- d.
Antibodies bind to the antigens on the cell surface.
When mismatched blood is administered causing an ABO incompatibility, the
erythrocytes are destroyed by - ANSWER ✔✔- a.
Complement-mediated cell lysis
When antibodies are formed against red blood cell antigens of the Rh system, the
blood cells are destroyed by: - ANSWER ✔✔- Phagocytosis in the spleen
When soluble antigens from infectious agents enter circulation, tissue damage is a
result of: - ANSWER ✔✔- d.
Neutrophil granules and toxic oxygen products
1|Page
,Hypersensitivity is best defined as a(an) - ANSWER ✔✔- c.
Altered immunologic response to an antigen that results in disease
A hypersensitivity reaction that produces an allergic response is called: -
ANSWER ✔✔- Anaphylaxis
The common hay fever allergy is expressed through a reaction that is mediated by
which class of immunoglobulins? - ANSWER ✔✔- IgE
Which type of antibody is involved in type I hypersensitivity reaction? - ANSWER
✔✔- IgE
Blood transfusion reactions are an example of: - ANSWER ✔✔- Alloimmunity
During an IgE-mediated hypersensitivity reaction, which leukocyte is activated? -
ANSWER ✔✔- c.
Eosinophils
During an IgE-mediated hypersensitivity reaction, the degranulation of mast cells
is a result of which receptor action? - ANSWER ✔✔- Histamine bound to H2
What characteristic do atopic individuals have that make them genetically
predisposed to develop allergies? - ANSWER ✔✔- c.
Greater quantities of IgE
How are target cells destroyed in a type II hypersensitivity reaction? - ANSWER
✔✔- d.
2|Page
,Natural killer cells
Graves disease (hyperthyroidism) is an example of which type II hypersensitivity
reaction? - ANSWER ✔✔- Modulation
Type III hypersensitivity reactions are a result of which of the following? -
ANSWER ✔✔- b.
Antibodies binding to soluble antigens that were released into body fluids and the
immune complexes being deposited in the tissues
A type IV hypersensitivity reaction causes which result? - ANSWER ✔✔- .
Lymphokine-producing Th1 cells directly attacking and destroying cellular targets
In a type III hypersensitivity reaction, the harmful effects after the immune
complexes that are deposited in tissues are a result of: - ANSWER ✔✔-
Complement activation
Raynaud phenomenon is classified as a type III hypersensitivity reaction and is due
to: - ANSWER ✔✔- a.
Immune complexes that are deposited in capillary beds, blocking circulation
Deficiencies in which element can produce depression of both B- and T-cell
function? - ANSWER ✔✔- Zinc
When the maternal immune system becomes sensitized against antigens expressed
by the fetus, what reaction occurs? - ANSWER ✔✔- Alloimmunity
3|Page
, Tissue damage caused by the deposition of circulating immune complexes
containing an antibody against the host DNA is the cause of which disease? -
ANSWER ✔✔- Systemic lupus erythematosus
Why does tissue damage occurs in acute rejection after organ transplantation? -
ANSWER ✔✔- a.
Th1 cells release cytokines that activate infiltrating macrophages, and cytotoxic T
cells directly attack the endothelial cells of the transplanted tissue.
Which blood cell carries the carbohydrate antigens for blood type? - ANSWER
✔✔- Erythrocytes
A person with type O blood is likely to have high titers of which anti-antibodies? -
ANSWER ✔✔- A and B
Which class of immunoglobulins forms isohemagglutinins? - ANSWER ✔✔- IgM
Which component of the immune system is deficient in individuals with infections
caused by viruses, fungi, or yeast? - ANSWER ✔✔- T cells
In which primary immune deficiency is there a partial-to-complete absence of T-
cell immunity? - ANSWER ✔✔- DiGeorge syndrome
How many months does it take for the newborn to be sufficiently protected by
antibodies produced by its own B cells? - ANSWER ✔✔- 6 to 8
4|Page
