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Health & Disease
Mechanism of Health and Disease
| Question | Answer |
|---|---|
| What does the nervous system control | transmit impulse and conduction |
| What does the endocrine system control? | hormone regulation |
| What is positive feedback loop? | starts at point A to Z, gets fastert and faster until it gets to point Z |
| What is more important negative or positive feedback loop? | negative |
| Why is negative more important? | it works to keep homeostasis in body |
| What things do all loops have? in order 1st to last | senor, control center(brain), effector |
| What is negative feedback loop? | it post a change in a contol condition |
| Give an example of negative feedback loop | excerseing til 3am. you come out of breathe & breath harder as a way to returing to normal |
| What are body rhythms? | internal clock |
| What recieves the nerve impulse & sets on motion? | baro receptors |
| What is the sympathic nervous system responsible for? | your fight or flight response |
| Daily stress does what to the sympathic nerve system? | stimulate |
| Name three things the disrupt body rhythms? | sound, light temp |
| How can genetice affect homastasis? | mutatuions of genes, 2 many or 2 less chromosomes |
| How does cold change homostasis? | slows,cold is physical |
| How do chemicals screw up homostasis? | change the enviroment, toxins and radiation |
| Degeneration is normal for what? | aging |
| degeneration in other forms is? | tissue break apart |
| What is immune deficiency | inability to fight germs |
| Tell about Bacteria | antibiotic; has cell wall, no nuclei |
| Tell about Virus | antiviral; no cell wall, has to have a host, is alive |
| Tell about Fungus | anitfungal; plantlike organism, the fly movie |
| Cancers that are linked to genetic factors | skin & breast cancer |
| cancers linked to carcinogens | industrial waste, cigs |
| cancers of age | leukemia an colon |
| 1st step of the inflammatory response | heat and redness |
| 2nd step of the inflammatory response | swelling |
| 3rd step of the onflammatory response | pain |
| What are reciptors for pain called? | noci receptors |
| What is the term for very sensitive to pain | hyperalgesia |
| Prickling pain type | pins & needles |
| Burning pain type | usually from muscle fatique |
| Deep muscle pain | comes from tendons and joints |
| What is the term for the study of diease | pathology |
| If you are born with a diease is called | congential disease |
| Epidemiology | studies the freq, trans, occur of disease (timeline) |
| What is a syndrome | group of signs & symptons of a condition |
| What does pathology mean | the study of diease |
| What is subacute pain | more than acute less than chronic |
| Etiology is the study of what? | what causes a disease |
| Diseases with unknown causes are called what | idiopathic |
| Prognosis is what | the expected outcome of a disease |
| pathogeneis is what | following the development of a disease |
| What is the 1st step of the inflammatory process? | change in blood circulation |
| What is the 2nd inflammatory process? | changes in vessel wall permeability |
| what is the3rd inflammatory process? | release of inflammatory mediators |
| What is the 1st response of the arterioles injury? | vasoconstriction, then vasodilation |
| most common mediator of inflammation | histamine |
| Parenchymal cells (tissue repair) | tissue function |
| Stromal cells | tissue structure |
| labile cells | regenerate easy & quick |
| stable cell | regenerate slow |
| permanent cell | barely regenerate |
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T019516
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