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microbiology 234 #6
Host microbe relationships
| Question | Answer |
|---|---|
| symbiosis | two or more organisms living together, (basically means eating at the same table) |
| three types of symbiosis | Parasitism, Mutualism, and Commensalism |
| Parasitism | symbiosis where one organism benefits while the other is harmed |
| Mutualism | symbiosis where both organisms benefit and neither is harmed |
| commensalism | symbiosis where one organism benefits and the other is not harmed |
| contamination | the presents of microbes |
| infection | the multiplication of microbes on and or in an other organism |
| Disease | the disruption of normal bodily, organ or structural functions |
| Pathogenicity | ability to cause disease |
| Virulence | ability to infect a host\organism |
| Normal Micro flora | Microbes that are normally present on or in an organism |
| Infectious disease | caused by a micro organism\infectious agent bacteria, yeast, fungus, virus, parasite ect... |
| Non-infectious disease | not caused by an infectious agent |
| communicable\non-communicable | communicable can be spread from one organism to another as apposed to non, which can't |
| Inherited | can be passed down from parent to offspring, usually genetic |
| congenital | present at birth, may be caused by some factor during pregnancy, drugs, alcohol, X-ray, |
| degenerative | Caused by old age, takes place over time, arthritis, dementia, osteoporosis |
| endocrine | caused by abnormalities in regulation of hormones |
| nutritional | caused by poor nutrition, too much\little of something |
| mental | involving problems with neurons and other psychogenic factors such as neurotransmitters |
| immunological | effects or caused by the immune system, HIV AIDS, autoimmune disease |
| neoplastic | involving a new growth of cells\ abnormal cell growth, cancer, tumor, warts, hpv |
| iatrogenic | caused by medical procedures, surgical errors, drugs, negligence |
| Ideopathic | of unknown cause, Alzheimer's, fibromialgia |
| Acute disease | symptoms arise quickly and runs its course quickly |
| Chronic disease | develops more slowly and can last much longer, symptoms are usually less severe |
| subacute disease | intermediate between acute and chronic |
| latent disease | has periods of inactivity followed by noticeable symptoms, can have repeated re occurrences and remissions |
| local infection | confined to one specific area of the body |
| focal infection | confined to one area of the body but can spread to other parts, or toxins can be spread around |
| systemic infection | an infection that has spread throughout the body and infiltrated many tissues, a focal infection that has spread is a systemic infection |
| septicemia | an infection in the blood that is infecting blood cells and reproducing\multiplying in the blood |
| bacteremia and viremia | infection is present in blood but in not multiplying in the blood |
| 5 stages of an infectious disease | 1 incubation 2 prodromal 3 invasive 4 decline 5 convalenscence |
| incubation period | (infected but not sick yet) time between infection and noticeable symptoms |
| prodromal phase | (first minor symptoms)means, forerunner, time of first symptoms, person feels ill, no pathogen specific symptoms |
| invasive phase | (infection takes off) typical signs and symptoms occur, pathogens invade and infect tissues |
| Acme | (Peak of infection)period of the most intense symptoms, where the infection is at its peak |
| decline phase | (over take pathogen)period when the body begins to finally over whelm the infection, symptoms often begin to improve during this period |
| convalescence | (recovery) tissue repair takes place and the persons strength begins to return, person no longer has symptoms |
| selective toxicity | can effect a microbe with out harming host |
| spectrum of activity | the range of microbes that an antimicrobial agent works against |
| 5 modes of action against a microbe | 1 inhibit cell wall production 2 destruction on membrane function 3 inhibition of protein synthesis 4 inhibition of nucleic acid synthesis 5 action as antimetabolites |
Created by:
joeschneider
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