NURS 5315 UTA Exam 2 questions with correct answers

HIV EIA (3rd generation immunoassay) - Answer can use urine, saliva, or serum (most accurate), need to wait until 12 weeks post exposure to see antibodies, >99% accurate 4th generation immunoassay- "gold standard" measures P24 antigen can test 10 days post exposure Mast cell - Answer Cellular bags of granules located in loose connective tisssue close to blood vessels. Activation initiates inflammatory process. Histamine - Answer Causes vasodilation, increases vascular permeability, increases blood flow to the site of injury- causes erythema and swelling. Cytokines - Answer Soluble factors that contribute to the regulation of innate or adaptive resistance by affecting other neighboring cells. Can be pro-inflammatory or anti-inflammatory. Can react quickly or be more delayed. Leukotrines - Answer Released when mast cells degranulate, prolong the inflammatory process. Cause vasodilation, attract neutrophils, monocytes, and t of inhibition for singular. Prostaglandins - Answer Released when mast cells degranulate, are produced by the arachidonic pathway. Cause vasodilation, platelet aggregation at site of injury, pain, and fever.