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NSG5003 Week 2 Quiz questions with 100% correct answers

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NSG5003 Week 2 Quiz questions with 100% correct answers/NSG5003 Week 2 Quiz questions with 100% correct answers/NSG5003 Week 2 Quiz questions with 100% correct answers

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nsg5003 week 2 quiz questions with 100 correct an

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NSG5003 Week 2 Quiz
Hypersensitivity is best defined as a(an) - correct answer-c.
Altered immunologic response to an antigen that results in disease
A hypersensitivity reaction that produces an allergic response is called: - correct answer-
Anaphylaxis
The common hay fever allergy is expressed through a reaction that is mediated by which class
of immunoglobulins? - correct answer-IgE
Which type of antibody is involved in type I hypersensitivity reaction? - correct answer-IgE
Blood transfusion reactions are an example of: - correct answer-Alloimmunity
During an IgE-mediated hypersensitivity reaction, which leukocyte is activated? - correct
answer-c.
Eosinophils
During an IgE-mediated hypersensitivity reaction, the degranulation of mast cells is a result of
which receptor action? - correct answer-Histamine bound to H2
What characteristic do atopic individuals have that make them genetically predisposed to
develop allergies? - correct answer-c.
Greater quantities of IgE
What is the mechanism that results in type II hypersensitivity reactions? - correct 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 - correct 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: - correct answer-Phagocytosis in the spleen
When soluble antigens from infectious agents enter circulation, tissue damage is a result of: -
correct answer-d.
Neutrophil granules and toxic oxygen products
How are target cells destroyed in a type II hypersensitivity reaction? - correct answer-d.
Natural killer cells
Graves disease (hyperthyroidism) is an example of which type II hypersensitivity reaction? -
correct answer-Modulation

,NSG5003 Week 2 Quiz
Type III hypersensitivity reactions are a result of which of the following? - correct 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? - correct 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: - correct answer-Complement activation
Raynaud phenomenon is classified as a type III hypersensitivity reaction and is due to: - correct
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? - correct
answer-Zinc
When the maternal immune system becomes sensitized against antigens expressed by the
fetus, what reaction occurs? - correct answer-Alloimmunity
Tissue damage caused by the deposition of circulating immune complexes containing an
antibody against the host DNA is the cause of which disease? - correct answer-Systemic lupus
erythematosus
Why does tissue damage occurs in acute rejection after organ transplantation? - correct
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? - correct answer-
Erythrocytes
A person with type O blood is likely to have high titers of which anti-antibodies? - correct
answer-A and B
Which class of immunoglobulins forms isohemagglutinins? - correct answer-IgM
Which component of the immune system is deficient in individuals with infections caused by
viruses, fungi, or yeast? - correct answer-T cells
In which primary immune deficiency is there a partial-to-complete absence of T-cell immunity?
- correct answer-DiGeorge syndrome
How many months does it take for the newborn to be sufficiently protected by antibodies
produced by its own B cells? - correct answer-6 to 8

, NSG5003 Week 2 Quiz
Considering the effects of nutritional deficiencies on the immune system, severe deficits in
calories and protein lead to deficiencies in the formation of which immune cells? - correct
answer-T cells
Urticaria are a manifestation of a which type of hypersensitivity reaction? - correct answer-
Type I
Graves disease is a result of: - correct answer-c.
Autoantibodies binding to thyroid-stimulating hormone (TSH)-receptor sites
Raynaud phenomenon is an example of which type of hypersensitivity? - correct answer-Type
III
Which statement is true concerning an atopic individual? - correct answer-They tend to
produce more Fc receptors.
Which statement is true regarding immunodeficiency? - correct answer-a.
Immunodeficiency is generally not present in other family members
A person with type O blood is considered to be the universal blood donor because type O blood
contains which of the following? - correct answer-No antigens
Immunoglobulin E (IgE) is associated with which type of hypersensitivity reaction? - correct
answer-Type I
Graves disease is an autoimmune disease that results in which maternal antibody? - correct
answer-b.
Affecting the receptor for TSH, causing neonatal hyperthyroidism
When a tuberculin skin test is positive, the hard center and erythema surrounding the
induration are a result of which of the following? (Select all that apply.) - correct answer-T
lymphocytes and Macrophages
Exposure to which of the following could result in a type IV hypersensitivity reaction? (Select all
that apply.) - correct answer-Poison Ivy, Neomycin, Nickel, Detergents
Which disorders are considered autoimmune? (Select all that apply - correct answer-Crohns,
Addisons, Rheumatoid arthritis, systemic lupus erythematosus
Which statements best define acute rejection? (Select all that apply.) - correct answer-c.
Immunosuppressive drugs delay or lessen the intensity of an acute rejection.
d.
Acute rejection is associated with the body's response to an organ transplant.

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NSG5003 Week 2 Quiz questions with 100% correct answers

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