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Stack #49527

Major Themes of Anatomy - Ch 1

Palpation Using touch as an examining tool
Auscultation Using instruments to listen
Percussion Detects changes in air and fluid cavities
Radiography high energy radiation penetrates soft tissue
Sonography high frequency sound waves bounce back image
CT uses slices of xrays to create a 3D image
PET uses injected radioisotope, gamma rays give color image
MRI magnetic field excites hydrogen which a computer analyzes
Scientific Method Process which outlines a series of steps used to ak questions
Double Blind and Placebos Eliminate Bias in experiments
Fact an observaion that can be independently observed and tested
LAW generalization about predictablity of matter resulting from repeated observations and much scientific evidence
Theory explanatory statements derived from facts and laws
Darwin Theory of Natural Selection; NOT a theory of evolution
Levels of Organization Atoms,Molecules,Macromolecules,Organelles,Cells,Tissues,Organs,Organ Systems,Organisms
Metabolism sum of all chem and physical rx that occur in the body
Catabolism breakdown reactions
Anabolism rxs that build larger molecules
Homeostasis body's ability to maintain stable internal environment
Negative Feedback self regulating slow down and shut off system, self corrective
Positive Feedback Self amplifying system speeds up and enhances processes
Death irreversable cessation of brain, heart, and lung fx
Created by: talulah603