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Test1Physiology

QuestionAnswer
Define Homeostasis The tendency of organisms to regulate and maintain relative internal stability
Compare and contrast negative and positive feedback. Negative - Body responds to reverse the direction of the change Positive - Change the variable even more in the same direction
Storage form of carbohydrates and where the majority is stored in the body Glycogen is storage form of carbohydrate in the body: ~90% is stored in muscle with remaining stored in liver
Composition of a triglyceride and where it is stored in the body Triglycerides: 90% of lipids in our bodies are stored as triglycerides which are composed of: Glycerol backbone 3 fatty acid chains (Saturated and unsaturated) Primarily stored in adipose (fat) tissue
Compare saturated vs. unsaturated fatty acids Saturated - Contain only single C–C bonds, Closely packed, High melting points, Solids at room temperature Unsaturated - Contain one or more double C=C bonds, Nonlinear chains prevent close packing, Low melting points, Liquids at room temperature.
Effects of prostaglandins in the body and why NSAIDS reduce pain. Prostaglandins cause blood vessels to dilate and increase their permeability Aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) work to reduce swelling , in part, by reducing prostaglandin production.
2 regions of a phospholipid Hydrophilic = water loving Hydrophobic = water hating Synthesized by body so not needed in diet
Difference between complete and incomplete proteins in the diet Complete or high quality - Foods supplying all essential AA Meat, fish, eggs, milk (animal foods), Soy Incomplete or Low-quality - Foods that lack one or more essential AA Plant proteins
4 structural levels of organization (definitions of each) Systems – organizations of different kinds of organs Organs – groups of tissues that carry out related functions Tissues – collection of cells working together to achieve a common purpose Cells - the basic functional units of most living organisms
Body fluid compartments
Created by: michael.sage
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