2013 Flashcards
List 4 societies that families can turn to for PID support
- Immunodeficiency Canada
- Canadian immunodeficiencies patient organization
- immune deficiency foundation
- national organization for rare disorders (NORD)
- Jeffrey model foundation
Patient cant afford medications what options do you have?
- Offer samples
- Try an alternative that is covered
- Refer to social work for stipends
- apply for compassionate coverage
what are the mechanisms of vaccines reactions
- IgE mediated - very rare
- delayed hypersensitivity
- mild local reactions
explain the concept of clonal diversity
B cells create progeny cells generated by mitosis which are considered clone, some of those will have divergence which is consider clonal expansion
what happens to a naive T cell after activation?
- naive T cell are programmed in the thymus for a particular antigen
- once released they circulate until they find this surface antigen via APCs
- T cells become activated once they bind to their APC which the correct MHC molecule
- the MHC-antigen complex activates the TCR and enables T cell to secrete cytokines
what receptor binds CD28?
CD80 and CD81
what is the immune barrier hypothesis of chronic rhinosinusitis?
- defects in mechanical and innate immune protective barrier
- leads to passage of antigens across nasal epithelium leads to chronic inflammatory infiltrate
- defect comes from genetic, epigenetic and environmental influences
what concentrations do you use for SPTs and ID testing?
SPT - 100 mcg/ml
ID - 1 mcg/ml
what is skeeter syndrome?
large local reaction to mosquito bites
can occurs hours after bit occurs
how many kids outgrow peanut allergy?
20% outgrow peanut
10% for TN
50% for soy at age 7
allergens in occupational asthma for the following
- Baker
- jeweller
- painter
- hair dresser
- auto shop
- healthcare worker
- flour
- nickel
- isocyanates
- PPD and CPBD, dyes and bleaches
- isocyanates
- latex
CR of legume and peanut
3-5%
CR of cows and goat milk
high! 80%
labs to order in Heiner syndrome
IgG milk
CBC for anemia and eosinophilia