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Exam 1: NR283 / NR 283 (Latest
Update 2025 / 2026) Pathophysiology | Questions and Verified Answers | 100% Correct | Grade A - Chamberlain
what do mast cells release?histamine
what are 4 types of hypersensitivity?
- allergic reactions/mediated
- cytotoxic
- immune complex
4, cell mediated, delayed
type 1 hypersensitivity - allergic reactions/ mediated allergic reactions can be minor to anaphylaxis
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what antibody (immunoglobulin) is released with type 1 hypersensitivity?IgE
type 2 hypersensitivity - cytotoxic
-antibodies bind to cell and cause destruction-ex: reaction to incompatible
blood transfusion
what antibody for cytotoxic IgG
type 3 hypersensitivity - immune complex -antigen combine with antibodies-causes inflammation and tissue destruction
ex: glomerulonephritis, rheumatoid arthritis
what antibody (immunoglobulin) released in type 3?IgG IgM
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type 4 hypersensitivity - cell mediated (or delayed) -delayed response of T lymphocytes
- develop 48-72 hours later
ex: TB, contact dermatitis, allergic skin rash
consider a hypersensitivity reaction test, & someone tests positive for TB, what stage is it?type 4 (cell mediated or delayed)
if someone is allergic to latex, they may also have an allergy to what type of food?banana avocados kiwi passion fruit chestnuts
the term that is used to describe a type of infection the results from a harmless organism but because of an environmental change, it causes problems?opportunistic infection
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which person is at highest risk for contracting HIV?gay and bisexual men ppl who have sex with multiple partners having unprotected sex drug users (sharing needles)
number 1 way to prevent the spread of infection?washing your hands
incubation period time between entry of organism into body, can be few days to weeks
prodromal period period of time of symptoms before actual illness occurs,
symptoms: fatigue, lack of appetite, headache
what is a vector borne transmission?transmission of a disease through insects ex. Malaria / mosquitos
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