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12 Cards in this Set
- Front
- Back
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Viscera |
Relating to internal organs with membranes |
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Radiologist |
Doctor who specializes in interpreting images of the body to diagnose and treat medical conditions |
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CAT scan |
Computer-analyzed x-Ray images |
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PET scan |
(Position emission tomographic) identify metabolic states of various tissues (useful for brain) |
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MRI |
(Magnetic resonance imaging) radio waves at a person inside an electromagnetic field causing protons of various atoms to align |
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DSA |
(Digital subtraction angiography) computerized X-ray technique in which arteries are visualized following injection of dye into vein |
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Ultrasound |
A technique in which high frequency sound waves bounce off the fetus forming an image on a screen |
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Echogram |
A recording of depth or distance under water made by an echo sounder |
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X-ray |
Shortwave electromagnetic radiation moves through the body, exposing a photographic plate to form a radiograph, only give a flat 2d image |
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Explain a negative feedback mechanism w/ex |
Maintains homeostasis and any deviation from the set point is made smaller. Ex: furnace |
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What is a positive feedback mechanism? W/ ex |
Leads away from homeostasis and when a deviation from a normal value occurs the systems response is to make the deviation even greater. Ex: during childbirth, a hormone, oxytocin, is released to produce contractions |
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List 11 basic functions of all living organisms |
Respond to stimulus Adaptability Growth Reproduction Movement Metabolism Absorption Respiration Excretion Digestion Circulation |
