Update ) Pathophysiology
| Questions and Verified Answers |
100% Correct | Grade A -
Chamberlain
what do mast cells release?
histamine
what are 4 types of hypersensitivity?
1. allergic reactions/mediated
2. cytotoxic
3. immune complex
4, cell mediated, delayed
type 1 hypersensitivity - allergic reactions/ mediated
allergic reactions
can be minor to anaphylaxis
,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
,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
, 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