Types
This type of Hypersensitivity is a tissue-specific reaction by IgG or IgM
Type II Hypersensitivity
What are the 3 main body systems affected by Anaphylaxis?
1. Skin
2. Respiratory
3. Cardiovascular
What is the cause for Type 2 Hypersensitivity?
Rh-positive baby and Rh-negative mother
Examples of Type 3 Hypersensitivites?
Lupus
Autoimmune diseases
Drug reactions
This type of Hypersensitivity is an antigen-antibody that accumulates, they are eventually deposited into tissues
Type III
What is Lupus known as?
an Autoimmune disorder
What are the 4 categories of allergic reaction causes?
1. Skin contact
2. Injection
3. Ingestion
4. Inhalation
Examples of inhalation allergens?
pollen
dust
mold & mildew
animal dandruff
What is another name for Type III Hypersensitivity?
Immune Complex-Mediated Hypersensitivity
skin can break out in ____ if there is an anaphylactic reaction
hives
What can cause a Type 4 Hypersensitivity?
TB skin test, graft injection, poison ivy, contact dermatitis
Examples of Type 2 Hypersensitivites?
Hemolytic disease of a newborn
Blood transfusion reactions
This hypersensitivity causes receptors to induce mucus production, pruritus, vascular permeability, smooth-muscle constriction, and a rapid release of mediators systemically
Type I: Anaphylaxis
what happens with the cardiovascular system with anaphylactic shock
fast then slow HR
low BP
What causes a Type III Hypersensitivity?
Unclear, but believed that B cells are activated to produce antibodies that attack body's own tissues
examples of ingestion allergens?
medications
nuts
shellfish
What are some examples of skin contact allergens?
Poison plants, animal scratches, pollen, latex
Which gender has a greater likelihood of developing Lupus?
Women
this type of hypersensitivity comes from delayed processing of the antigen which is it?
Type IV Hypersensitivity
What is an ocular example of type IV hypersensitivity that is more common among children?
Phlyctenular keratoconjunctivitis