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USMLE
Quick Micro Buzz
| Question | Answer |
|---|---|
| 4 Lactose Fermenters | "CEEK" 1. Citrobacter 2. Enterobacter 3. E.coli 4. Klebsiella |
| Non Lactose Fermenters | "SHYPS" 1. Shigella 2. Yersinia enterolytica 3. Proteus 4. Salmonella |
| 6 Bacteria that may lack color | "These rascals may microscopically lack color" 1. Treponema 2. Rickettsia 3. Mycobacterium 4. Mycoplasma 5. Legionella 6. Chlamydia |
| 4 Microbes that increase cAMP | "CAPE" 1. Cholera 2. Anthracis (poly D glutamate capsule) 3. Pertussis (via Gi) 4. E. coli (LT enterotoxin) |
| Bacteria that have capsules | "Some killers have pretty nice capsules" 1. Strep pneumo 2. Klebsiella 3. H. influenza 4. P. aeruginosa 5. Neisseria meningitidis 6. Cryptococcus neoformans |
| 5 Dimorphic Fungi | "Can Also Have Both Shapes" 1. Cocciodes 2. Aspergillus 3. Histoplasma 4. Blastomyces 5. Sporothrix |
| Spore forming bacteria | Bacillus Clostridium |
| Have IgA proteases | "SHiN" 1. Strep pneumo 2. H. influenza 3. Neisseria |
| Wayson's stain | Yersinia |
| Invasins | Yersinia Pseudotuberculosis |
| 2 Obligate Aerobes | Pseudomonas Mycobacterium |
| 3 obligate Anaerobes | Clostridium Actinomyces Bacteroides |
| A protein Catalase + Coagulase + | S. aureus |
| 2 Non-motile Gram + rods | C. diphtheria Nocardia |
| Lancet shaped diplococci | Strep pneumo |
| Gull's wings, comma shaped | Campylobacter |
| Club shaped non-motile gram + rod | C. diphtheria |
| Safety pin shaped bacteria | Yersinia |
| Intranuclear Cowdry body inclusions | HSV |
| Guarnieri intracytoplasmic and acidophilic inclusions | Pox virus |
| 2 Coagulase + microbes | S. aureus Yersinia pestis |
| 3 Obligate Intracellular microbes | Chlamydia Rickettsia M. leprae |
| Fried egg colonies on Eaton Agar | Mycoplasma pneumonia |
| Spaghetti and Meat ball appearance | Malassazia furfur |
| Subacute Sclerosing Panencephalitis | Measles |
| Non-motile Bacilli and Clostridium | B. anthracis C. perfringens |
| Indian ink | Cryptococcus neoformans |
| 4 microbes that need Cysteine for growth | Francisella Brucella Legionella Pastuerella |
| Ecthyema Gangrenosum microbe | P. aeruginosa |
| alpha hemolysis Optochin Sensitive | Strep pneumo |
| alpha hemolysis Optochin Resistant | Strep. viridans |
| Novobiocin resistant | Staph Saprophyticus |
| Novobiocin sensitive | Staph Epidermidis |
| Beta hemolysis Bacitracin Sensitive | Strep. pyogenes |
| Beta hemolysis Bacitracin resistant | S. Agalactiae |
| Lecithinase | C. Perfringens |
| Gas Gangrene | C. perfringens |
| 2 C. difficile toxins | Enterotoxin Cytotoxin |
| Microbe whose toxin inhibits ACh release and causes Flaccid paralysis | C. botulinum |
| Floppy baby Syndrome due to toxin in honey | Infant Botulinum |
| Thayer Martin Agar | Neisseria |
| DOC for N. gonorrhoeae | Ceftriazone |
| Alcoholics Aspiration pneumonia Abscesses in lungs | Klebsiella |
| Rice water diarrhea | V. cholera |
| Cat bites | Pasteurella multocida |
| Bordet Gengou agar | Bordetella pertussis = whooping cough |
| Lowenstein-Jensen medium | M. tuberculosis |
| Pink eye | Adenovirus type B |
| Fifth disease = Erythema Infectiosum | Parvovirus B19 |
| IFN mode of action | inhibits viral replication |
| cause of Croup (Laryngotracheobronchitis) | Parainfluenza |
| Swimming pool conjunctivitis | Adenovirus types 3 and 4 |
| Bronchiolitis in infants | RSV |
| Bone Fever | Dengue |
| Necrotizing fasciitis | Group A Strep (pyogenes) |
| Relapsing Fever | Borrelia recurrentis |
| Loffler's medium | C. diphtheria |
| Chlamydia infectious particle | Elementary body |
| Chlamydia replicatory body | Reticulate body |
| Thrush DOC | Nystatin |
| Reduviid bug bite | T. cruzi = Chagas disease |
| Infection by Tsetse fly | T. brucei = African sleeping sickness |
| Infection by Sandfly | Leishmaniasis |
| Roseola infection = Exanthema Subitum | HHV-6 |
| only ssDNA virus | Parvovirus |
| only dsRNA virus | Reovirus = repeatOvirus |
| 3 Naked RNA viruses | "Naked for CPR" Calcivirus, Picornavirus, Reovirus |
| 2 circular DNA viruses | Papovavirus Hepadnavirus |
| Hepatitis virus families: ABCDE | A = Picorna B = Hepadna C = Flavi D = Delta E = Calici |
| Only Rickettsia not intracellular | Quintana |
| Arthroconidia | Coddiodes |
| Obligate parasite Kills type I pneumocytes Ground glass appearance | PCP |
| Cytokine that stimulates proliferation of B, T, and NK cells | IL-2 |
| Only DNA virus to replicate in Cytoplasm | Pox |
| Only RNA virus to replicate in Nucleus | Influenza |
| Bacteria that has the only protein capsule | B. anthracis (poly D-glutamate capsule) |
| 2 bacteria that have + Weil Felix reactions | Rickettsia Proteus |