Microbiology Final Exam Review Flashcards 170 Questions And Answers 2024/2025

15. Classes of Immunoglobulins- IgM {Ans: IgM * pentagon, 10 binding sites, pentamer * J chain in center *6% * produced at first response to antigen * fixes complement (along with IgG) * makes up iso antibodies- blood antibodies}12. Describe fecal transplant therapy. {Ans: Fecal transplant therapy transfers healthy feces (with their "good" microbiota) to affected patients via colonoscopy *goal is to restore healthy microbiota}15. What type of cells are antigen presenting cell? {Ans: Antigen Presenting Cells (APCs) ---> present to lymphocytes (T cells must have) the processed antigen on the surface macrophages dendritic cells, B cells}11. Which of the following is NOT an antiseptic- gluteraldehyde H2O2 alcohol betadine merthiolate chlorohexidine {Ans: Gluteraldehyde= sporicidal agent, high activity *H2O2 if very concentrated}15. Differentiate artificial passive and artificial active immunity. {Ans: Artificial- get an injection *Artificial active= get vaccine injection, your body makes antibodies against antigens *Artificial passive= get injection of gamma globulin pooled from human serum, short lasting, 3 months}13. Compare and contrast Epidemic vs. Pandemic vs. Endemic {Ans: Epidemic= infectious disease transmitted at much higher incidence (a lot of dots clustered in areas) Endemic= "always there", steady numbers over time in a geographic location