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Vett 113 WK 3
epidemiology, taxonomy, overview of microbes NOTES
| Question | Answer |
|---|---|
| what is epidemiology? | Is the study of the cause, incident, source, method of transmission, and distribution of disease in a population. |
| Why is epidemiology important? | In order to develop programs to aid in control and prevention of the disease. |
| what does subclinical / asymptomatic mean? | The animal is infected but shows no clinical signs of infection. |
| what does clinical signs/ symptomatic mean? | The animal is infected and shows clinical signs of infection. |
| what does morbidity mean? | an illness or abnormal condition / diseased/ unhealthy. |
| what does mortality mean? | death or death rate. |
| What is an endemic disease? | disease that is found on a fairly constant low incident rate in a population such as rabies. |
| what is an epidemic disease? (outbreak) | Occurrence of more cases of disease than would normally be expected in a population, may also be called epizootic if animals are infected. (Flu cases) |
| What is a pandemic disease? | epidemics that spread to several countries /continents which affect large number of animals/people. (AIDS, influenza) |
| Veterinarian Physician compared to Epidemiologists... | Individual patients, medical history/exam, differential diagnosis, diagnostic tests, medical treatment for individual. |
| Epidemiologists compared to a Vet... | population, surveillance/ occurrence of disease, hypotheses about the disease, analysis of data, control and prevention of disease in population. |
| What is taxonomy? | the orderly classification of organisms into groups. |
| What are the 4 most important categories or levels for our purposes? | Bacteria, fungi, protozoa, parasites |
| what are the 2 categories that cell are organized in? | Prokaryotes and eukaryotes |
| What are prokaryote cells? | These cells do not have a "true" nucleus and are relatively simple cells. The generic material is found loose in the cell. (Bacteria) |
| What are eukaryote cells? | These cells have a defined "true" nucleus surrounded by a membrane and are much more complex. ( fungi, protozoa, animal and plant cells) |
| What parts make up a Eukaryote cell? | The nucleus, the nucleolis, the mitochondria and the ribosomes. |
| What parts make up the prokaryote cell? | The nucleoid, the capsule, the flagellum, the cell wall, th cell membrane and ribosomes. |
| What are pathogenic micro-organisms? | Microbes capable of causing diseases in animals and humans. |
| What are the three classification groups for bacteria? | stain, shape, need for oxygen. |
| What is invasiveness? | measure of the ability to grow in a host |
| what is toxigenicity? | measures capacity to produce toxins |
| Color of gram positive bacteria? | Blue |
| Color of gram negative bacteria? | Pink |
| List the three shapes of bacteria? | cocci, bacilli, spirochetes. |
| what is aerobic bacteria? | Need oxygen to survive |
| What is anaerobic bacteria? | Cannot survive with oxygen. |
| how can bacteria cause diseases? | Invasiveness and toxigenicity. |
Created by:
jennjenn1
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