NR 507 MIDTERM EXAM WEEK 5 2026
PRACTICE TEST SHEET FULL SOLUTIONS
CORRECT ANSWERS PREPARATION SET
◉ Type 1 hypersensitivity reactions are mediated by what.
Answer: IgE
◉ What cells are involved in hypersensitivity type 1.
Answer: Mast cells
◉ symptoms of hypersensitivity type 1.
Answer: local: itching, immediate rash
systemic: wheezing
◉ main treatment for anaphylaxis.
Answer: epinephrine
◉ Type 2 hypersensitivity is also known as what kind of reaction?.
Answer: cytoctoxic reaction, tissue specific
◉ what cells are involved in type 2 hypersensitivity reaction?.
, Answer: Macrophages
◉ what does type 2 hypersensitivity do to tissues?.
Answer: can cause damage or alter function of specific tissues
◉ Examples of hypersensitivity type 2.
Answer: graves disease/ hyperthyroidism, blood incompatibility
◉ what is the difference between type 2 and 3 hypersensitivity?.
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
◉ examples of type 3 hypersensitivity.
Answer: rheumatoid arthritis and lupus
◉ autoimmune diseases can be....
Answer: genetic/familial
◉ What is alloimmunity?.
Answer: Immune reaction to tissues of another individual
PRACTICE TEST SHEET FULL SOLUTIONS
CORRECT ANSWERS PREPARATION SET
◉ Type 1 hypersensitivity reactions are mediated by what.
Answer: IgE
◉ What cells are involved in hypersensitivity type 1.
Answer: Mast cells
◉ symptoms of hypersensitivity type 1.
Answer: local: itching, immediate rash
systemic: wheezing
◉ main treatment for anaphylaxis.
Answer: epinephrine
◉ Type 2 hypersensitivity is also known as what kind of reaction?.
Answer: cytoctoxic reaction, tissue specific
◉ what cells are involved in type 2 hypersensitivity reaction?.
, Answer: Macrophages
◉ what does type 2 hypersensitivity do to tissues?.
Answer: can cause damage or alter function of specific tissues
◉ Examples of hypersensitivity type 2.
Answer: graves disease/ hyperthyroidism, blood incompatibility
◉ what is the difference between type 2 and 3 hypersensitivity?.
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
◉ examples of type 3 hypersensitivity.
Answer: rheumatoid arthritis and lupus
◉ autoimmune diseases can be....
Answer: genetic/familial
◉ What is alloimmunity?.
Answer: Immune reaction to tissues of another individual
