Lec 19: Toxicology Flashcards
what is toxicology
t/f : synthetic chemicals always worse than natural
contrast poison and water hemlocks
how do poison hemlocks act
how do water hemlockls act
contrast toxin vs toxicant
what does tox assess and estimate
classifications of tox
goals of tox
roles of toxicologists
3 ways to chracterize tox risks
how to identify hazards (ie what sources of data)
what are the two mechs of toxicity
what are common routes of tox exposure
contrast acute and chronic exposure
challenges with exposure assessment
animal stdies: how to expoe them dep on what youre trying to test
what is biomagnification
what is dose response assessment
contrast graded and quantal dose response curves
what does ed 50 represent in graded dose response curves
what does ld 50 measure in quantal doe reponse curves
why do stdies assume a threshold response? what does this mean/
what is the therapeutic index/ window?
how to make extrapolations to assess chemical saftey
what factors affect toxicity