NR 507 Advanced Pathophysiology Midterm 2026 – All Questions and 100% Correct Answers, Graded A+, Latest Update

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NR 507 MIDTERM EXAM 2 LATEST 3 VERSIONS ALL QUESTIONS AND
100% CORRECT ANSWERS ALREADY GRADED A+ - LATEST

Examples of hypersensitivity type 1 - CORRECT ANSWER allergic
rhinitis, anaphylactic reaction


QUESTION : Type 1 hypersensitivity reactions are mediated by what -
CORRECT ANSWER IgE


QUESTION : What cells are involved in hypersensitivity type 1 - CORRECT
ANSWER Mast cells


QUESTION : symptoms of hypersensitivity type 1 - CORRECT ANSWER
local: itching, immediate rash
systemic: wheezing


QUESTION : main treatment for anaphylaxis - CORRECT ANSWER
epinephrine


QUESTION : Type 2 hypersensitivity is also known as what kind of reaction? -
CORRECT ANSWER cytoctoxic reaction, tissue specific


QUESTION : what cells are involved in type 2 hypersensitivity reaction? -
CORRECT ANSWER Macrophages


QUESTION : what does type 2 hypersensitivity do to tissues? - CORRECT
ANSWER can cause damage or alter function of specific tissues


UPDATED exam 2026

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QUESTION : Examples of hypersensitivity type 2 - CORRECT ANSWER
graves disease/ hyperthyroidism, blood incompatibility


QUESTION : what is the difference between type 2 and 3 hypersensitivity? -
CORRECT ANSWER type 2 is organ specific; antibody binds to the
antigen on the surface of the cell
type 3 is NOT organ specific; binds outside of the cell surface and is released into
blood/ body fluids and then deposited into tissues


QUESTION : examples of type 3 hypersensitivity - CORRECT ANSWER
rheumatoid arthritis and lupus


QUESTION : autoimmune diseases can be... - CORRECT ANSWER
genetic/familial


QUESTION : What is alloimmunity? - CORRECT ANSWER Immune
reaction to tissues of another individual


QUESTION : Examples of alloimmunity - CORRECT ANSWER
transplant rejection, transfusion reactions, Rh incompatibility


QUESTION : what is hypersensitivity type 4 - CORRECT ANSWER
Delayed response, Occurs 24-72 hrs after exposure
doe not involve antigen/antibody complexes




UPDATED exam 2026

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QUESTION : Hypersensitivity type 4 is mediated by what? - CORRECT
ANSWER T cells!!!


QUESTION : example of hypersensitivity type 4 - CORRECT ANSWER
contact dermatitis
poison ivy
delayed response occurs in area of contact


QUESTION : organ rejection is made up of what hypersensitivity and why? -
CORRECT ANSWER Type 2 and 4.
involves cytotoxicity (2)
T cells play a role in organ rejection (4)


QUESTION : atopic dermatitis is example of what - CORRECT ANSWER
type 1 hypersensitivity


QUESTION : contact dermatitis is example of what - CORRECT ANSWER
type 4 hypersensitivity


QUESTION : Contact dermatitis treatment - CORRECT ANSWER topical
corticosteroids


QUESTION : atopic dermatitis treatment - CORRECT ANSWER -
Antihistamines




UPDATED exam 2026

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QUESTION : what is primary immunodeficiency - CORRECT ANSWER
Deficiency in any essential component of the immune response that is mostly
recessively inherited; a gene defect;


QUESTION : example of primary immunodeficiency - CORRECT ANSWER
B lymphocyte deficiency


QUESTION : what is secondary immunodeficiency and example - CORRECT
ANSWER Caused by another illness, or virus. (More common than primary
immunodeficiency) Ex: cancer or HIV


QUESTION : what is the most common cause of secondary immunodeficiency -
CORRECT ANSWER malnutrition


QUESTION : most of our bodies iron stores comes from... - CORRECT
ANSWER recycling of iron from old RBCs


QUESTION : What is iron deficiency anemia? - CORRECT ANSWER -
Insufficient iron for hemoglobin synthesis; lack of


QUESTION : What is thalessemia? - CORRECT ANSWER a type of
anemia, with decreased hemoglobin, problem making hmg


QUESTION : What is sideroblastic anemia? - CORRECT ANSWER
anemia with increased iron in blood, but low RBCs




UPDATED exam 2026