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Disease
Infection steps and Pathogens
| Question | Answer |
|---|---|
| incubation, prodromal, illness, decline and recovery | Steps to a Disease |
| absence of any signs or symptoms of disease | Incubation |
| attachment, masking/hiding, evasion and invasion | Steps of Incubation |
| stage of disease when you can observe 1st sign/symptom of disease by sneezing and coughing | Prodromal |
| stage of disease when you really experience full effects of sneezing and coughing | Illness |
| stage of disease when you see the decrease of signs/symptoms of the disease and the numbers of the microbe decreases | Decline |
| stage of disease where sign/symptoms are dissipated, and the microbe is gone through natural means | Recovery |
| study of disease | Pathology |
| study of the identification of the microbe that is causing the disease | Etiology |
| study of how the microbe causes disease | Pathogenesis |
| molecules that enhance a microbes ability to cause disease | Virulence Factor |
| express the right virulence factor at the right time during the incubation stage to advance | Sequential Timing |
| ability to quantify the number of microbes necessary to advance to next stage in Incubation phase | Quorum Sensing |
| microbe has to reach certain concentration before it can cause disease | Infection is concentration dependent |
| destroy RBC | Hemolysins |
| enzymes stop blood from coagulating | Coagulases |
| breaks down extracellular matrix and allows bacteria to enter tissue | Collagenases |
| attachment, masking/hiding and evasion | Virulence Factors for Incubation |
| adhesions: pili and fimbriae | Attachment |
| protein A, capsules and enveloped virus | Masking/Hiding |
| capsules, proteases | Evasion |
| C3a, antibodies, C3b and c5a | Proteases Breakdown |
| proteins that destroy WBC | Leukocidins |
| both organisms benefit from each other | Mutalistic |
| one organism benefits while the other is not harmed | Communalistic |
| one organism benefits and the other is harmed | Parastic |