59 results
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Definition: Small antigen-antibody ... TypeIII #Type3 #HypersensitivityReaction
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Macrophage engulfs antigen ... -> Antigen presentation ... cells recognize antigen ... TypeIV #Type4 #HypersensitivityReaction
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
surfaces, forming an "antigen-surface ... Antigen binds receptor ... platelets) -> An "antigen-surface ... against either the antigen ... #Type2 #Type2 #HypersensitivityReaction
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mediators: lgE - Antigen ... Form: Soluble antigen ... Form: Cell-bound antigen ... complex - Antigen ... Form: Soluble antigen
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
lgE - Soluble antigen ... IgM - Cell-bound antigen ... binds to cellular antigen ... IgM - Soluble antigen ... - Antigen-antibody
Allergic Rhinitis: Pathogenesis and clinical findings

1. Allergy Sensitization -> Antigen Exposure -> APC (macrophages, HLA class
Sensitization -> Antigen ... class II) process antigen ... within 5 minutes of antigen ... by 15 minutes) Antigen ... Exposure -> Antigen
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
#TypeI #Type1 #HypersensitivityReaction
Cellular and humoral immune responses of the adaptive immune system. Activated T cells accomplish cellular immune
Exogenous antigen ... only occurs when antigen ... is presented by antigen-presenting
Asthma: immunopathogenesis. 
Allergens attach to, and are taken up by, dendritic cells that he the respiratory
the allergen (antigen ... ), antigen presenting
Syphilis Serologic Testing - Treponemal and Non-Treponemal Testing Algorithms
Treponemal Testing:
 • Confirmatory or Screening - Detection
cardiolipin-cholesterol-lecithin antigen