Mibo exam 5 - Study guides, Class notes & Summaries

Secretory IgA is found in the secretions that coat mucus membranes, thereby preventing pathogens from colonizing mucosal surfaces. What are methods that bacteria have evolved to evade or inactivate these antibodies? -IgA proteases that cleaves the antibodies, so that they cannot bind to the pathogen -Antigenic variation, or altering the bacterial structures to which the antibodies bind -Rapid turnover of pili structures to shed any bound antibody How do pathogens penetrate the skin? the...

MIBO EXAM 5 WITH 100% CORRECT ANSWERS

MIBO EXAM 5 WITH 100% CORRECT ANSWERS

MIBO 3500 Final Exam (2023/2024) (Complete and Accurate) Microbial size definition organisms and acellular agents too small to be seen by the unaided eye contradictions to this definition -supersize microbial cells -microbial communities -viruses You are caring for a patient actively infected with Mycobacterium tuberculosis. Size of contaminated respiratory droplets are nm in size. Standard surgical masks are designed to block particles larger than 5 μm. Will wearing a standard surgical m...

Symbiosis - Answer most intimate association between organisms of different species; both partners may evolve in response to each other 5 types of symbiotic relationships - Answer 1. Mutualism 2. Synergism 3. Commensalism 4. Amensalism 5. Parasitism mutualism - Answer each partner species benefits from the other and may fail to grow independently; 2 or more microbial partners OR 1 or more microbial partners with a plant or animal host Lichens - Answer mutualism o consist of an inti...