Nufs115 Midterm 1 Review, Chou With Complete Solution

Why do risk assessments? {Ans: Balance the risks and benefits. Set target levels of risk. Set priorities for program organizations. Estimate residual risks and extent of risk reduction after steps are taken to reduce risks.}What information can you obtain from a cumulative response curve? {Ans: NOEL, LD50, and LDn.}Chromatography {Ans: Separation principle with a mobile phase (mixture of chemicals) that moves through the stationary phase.}Blood brain barrier {Ans: -specialized cells -less permeable -not fully developed @ birth}Hazard Identification {Ans: What the hazard is/its ability to cause harm.}What are the major routes of exposure? {Ans: 1- Digestive system (mouth) 2- Respiratory tract (breathing) 3- Skin (contact)}