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26 Cards in this Set
- Front
- Back
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Homeostasis |
Describes the relatively constant states maintained by the body : the body's ability to continuously respond to changes in the environment and maintain consistency in the internal environment |
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Components of a feedback control loop |
Sensory mechanism, integrating, or control center, and effector mechanism |
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Negative feedback control systems |
Oppose a change: examples are sweat to cool down and shivers to warm up |
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positive feedback control systems |
Accelerate a change: example would be childbirth |
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Feed - forward |
The concept that information may fluid head to another process to trigger or change in anticipation of an event that will follow: examples are After food enters the stomach this occurs to increase secretions and assists with the digestion in the small intestine |
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Pathology |
study of disease |
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Signs |
Objective abnormalities |
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Symptoms |
Subjective abnormalities |
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Etiology |
study of factors involved in causing a disease |
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Syndrome |
collection of different signs and symptoms that present a clear picture of a pathological condition |
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Idiopathic |
Undetermined causes |
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Acute |
Symptoms appear suddenly and for a short period |
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Pandemic |
Affects large geographic regions |
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Endemic |
Disease native to a local region |
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Pathogenesis |
Actual pattern of a disease's development |
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Pathophysiology |
The organized study of the underlying physiological processes associated with disease |
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Diseases |
Disturbances of homeostasis |
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mutated genes |
also known as altered genes can cause abnormal proteins to be made |
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Parasite |
An organism that lives in or on another organism to obtain its nutrients |
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Tumors |
Abnormal tissue growths |
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Homeostatic control systems |
positive feedback, negative feedback, and fast forward |
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Hypothalamus |
Is the body's thermostat |
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Homeostatic control mechanism |
Processes for maintaining or restoring homeostasis |
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Intrinsic control mechanisms |
Operate at the tissue and organ levels |
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bacteria |
tiny, primitive cells that lack nuclei and may cause infection |
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Genetic factor |
an inherited trait that puts one at A greater than normal risk for development of a specific disease |
