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Stack #4677464
| Question | Answer |
|---|---|
| Prions | ingestion of infected tissue (commonly contaminated meat, especially nervous system tissue) |
| Viruses | respiratory droplets, bodily fluids, contaminated surfaces, vectors (like mosquitoes) |
| Bacteria | contaminated food/water, surfaces, air, direct contact |
| Fungi | inhalation of spores, skin contact in moist environments |
| Helminths (parasitic worms) | contaminated food/water, soil, or skin penetration |
| Protists | contaminated water/food or vectors (e.g., mosquito bites) |
| Pathogen reservoir | This is just where the pathogen normally lives and survives. |
| Antigens | markers on pathogens that signal “foreign invader” |
| B cells | produce antibodies |
| Antibodies | bind to antigens and help neutralize pathogens |
| T cells | kill infected cells (helper T cells also coordinate the immune response) |
| Etiology | the cause of a disease |
| Aseptic technique | prevents contamination |
| In Gram-positive bacteria | thick Peptidoglycan traps the purple stain |
| In Gram-negative bacteria | thin layer cannot hold the stain after washing |
| Mortality | number of deaths from a disease |
| Morbidity | number of people who have the disease (illness rate) |
| Peptidoglycan | the thick cell wall layer in bacteria |
Created by:
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