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level: #2 quize

Questions and Answers List

level questions: #2 quize

Question	Answer
Which molecule is responsible for pain?	Bradykinin
A foreign object that reacts with the adaptive immune system?	Antigen
Antigens that cause hypersensitivities?	Allergens
Antigens from different species that elicit cross-reactive antibodies?	Heterophile antigens
Self antigens attacked during autoimmune diseases?	Autoantigens
Antigens normally hidden from the immune system?	Sequestered antigens
Antigens that non-specifically cause excessive immune system activation?	Superantigens
Organism and disease in which superantigens are found?	Staphylococcus / Toxic shock syndrome
When the immune system attacks donated tissues?	Transplant rejection
A transplant from one are of your body to another?	Autograft
A transplant from an identical twin or clone?	Isograft
A transplant from a genetically different member of the species?	Allograft
A transplant from a different species?	Xenograft
Which molecules must be matched in transplant procedures?	MHC Class I
How are type I hypersensitivities mediate? Type IV?	IgE-mediated / Cell-mediated
What mediates the early symptoms? Late symptoms?	Histamine / Leukotrienes
How can early symptoms be treated? Late symptoms?	Antihistamines / NSAIDs
What is the life threatening systemic allergy called?	Anaphylaxis
What first aid might you use for anaphylaxis?	Epinephrine pen
What cells release histamine & leukotrienes?	Mast cells
Where is self-tolerance taught?	Thymus
What allows the thymus to display most self antigens?	AIRE (Autoimmune Regulator)
What is caused by lack of AIRE?	APECED
What is cell suicide called?	Apoptosis
What happens if a T cell recognizes self antigen in the thymus?	Apoptosis
Is there genetic predisposition to autoimmune diseases?	YES