Ch 14 Disorders In Immunity Crossword

6. A vasoactive chemical released by mast cell degranulation causing constriction of smooth muscles.
7. A chronic localized Type I allergic condition such as hay fever, allergic asthma, or eczema.
8. A harmless environmental antigen that induces an exaggerated allergic reaction in sensitive individuals.
10. A severe congenital primary immunodeficiency involving the complete absence of functional B and T cells.
12. A delayed Type IV cell-mediated allergic skin reaction triggered by contactants like poison ivy.
13. An underreactive state where the immune system is incompletely developed, suppressed, or destroyed.
14. An overreactive immune state where host tissues are damaged by responses to self or harmless antigens.
15. Type II hypersensitivity where IgG or IgM and complement directly lyse targeted cell surfaces.

1. Soluble antigen-antibody aggregates that deposit in organ basement membranes in Type III reactions.
2. An abnormal situation where the immune system loses self-tolerance and attacks the host's own tissues.
3. A severe systemic Type I reaction involving widespread vasodilation and sudden respiratory distress.
4. Passive anti-Rh antibodies administered to an Rh-negative mother to prevent maternal sensitization.
5. An acquired secondary immunodeficiency caused by HIV destroying helper T cells and macrophages.
9. Transplanted tissue or organ transferred from a donor to a recipient host.
11. Therapeutic exposure to calculated allergen doses to prevent IgE production by encouraging IgG.