Gms6121 Study guides, Class notes & Summaries

GMS6121 Exam 3 Questions with Answers Electron microscopy - Answer-Allows visualization of virus particles in lesions Laborious, but easy to look at Immunofluorescence - Answer-Uses virus-specific antibody to detect viral protein Usually in tissue biopsy or cells from fluid Easy, gold standard ELISA - Answer-Uses virus-specific antibody to detect virus particles or proteins in fluid Lateral flow assay - Answer-Rapid ELISA essentially If analyte is present, it complexes wit...

GMS6121 Exam 4: Questions with Complete Solutions Listeria monocytogenes characteristics - Answer--Gm(+) rod -Non-spore forming -Serogrouped by type of teichoic acid -Motile Listeria monocytogenes encounter - Answer--Soil -Foodborne (meat, dairy) -Genital tract of mother Listeria monocytogenes disease outcome - Answer--Newborn meningitis -Opportunistic -Septicemia -Abortion (miscarriages) Listeria monocytogenes entry - Answer--Oral -Transplacental Listeria monocytogene...

GMS6121 Exam 3 UPDATED Exam Questions and CORRECT Answers 3 shapes of bacteria - Correct Answer- coccus, bacillus, spirochete Unique to bacteria - Correct Answer- peptidoglycan in cell wall 1 circular chromosome 70S (50S + 30S) ribosome Transformation, transduction, conjugation No membrane bound organelles Envelope Blue/purple gram stain - Correct Answer- gram positive bacteria Pink gram stain - Correct Answer- gram negative bacteria

Pathogenesis GMS6121 Test Questions with Answers How proteases resist complement? (8-1) - Answer-Bacteria secretes protease which degrades complement and keeps it from working Extracellular bacteria - Answer-live outside phagocytes because otherwise they are killed Intracellular bacteria - Answer-Invade and grow within phagocytes antiphagocytic functions of extracellular bacteria - Answer-inhibit recruitment, by inhibiting complement kill the phagocytes due to toxins prevent opson...

GMS6121 Exam One | Questions And Answers Latest {} A+ Graded | 100% Verified

GMS6121 Test Questions with Correct Answers Consequences for stability in enveloped viruses - Answer-Can't survive in gastrointestinal tract Must stay wet during transmission Transmits in large droplets and secretions Consequences for immune control in enveloped viruses - Answer-Don't need to kill viruses to spread require both humoral and cellular responses to kill off virus factories General properties of capsids - Answer-symmetrical simple ( multiple copies 1-3 proteins) Ico...

Examples of acute viral diseases Common cold caused by Rhinovirus Diarrhea caused by Norwalk virus Examples of chronic viral diseases Genital herpes caused by HSV Mononucleosis caused by EBV Examples of lethal viral diseases Hemorrhagic fevers caused by Ebola and Marburg Rabies caused by Rabies virus Individual viruses exhibit tropism for particular cell types and organs. Examples: HCV, HBV target liver Rotavi

Meningitis infection of the meninges Encephalitis Infection of the brain parenchyma Brain abscess Sac of fluid infected with pathogen Myelitis Infection of the spinal cord Routes of CNS infection -blood to BBB (most frequent for bacteria—influenced by inflammation) -direct (trauma, surgery) -nervous system (viruses like rabies) Defenses of CNS -low complement in CSF (no opsonization or lysis) -microglia (phagocytes of theCNS) CNS infection dam...