Science Quiz / Microbiology 1

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HintAnswerExtra
People with chronic granulomatous disease have recurrent infections with microbes that are
Yellow pigment-producing bacteria
No rash + monocytes with berry-like inclusions in cytoplasm
Cherry red epiglottis in child
Chronic pneumonia in cystic fibrosis patient
Chocolate agar is a special culture requirement for
B-hemolytic bacteria causing meningitis in newborns
Tx of Neisseria
Expanding bull's eye red rash + flu-like symptoms + facial nerve palsy
Normal flora of oropharynx that causes dental caries
Severe pneumonia + GI symptoms after exposure from environmental water source
Group A streptococci expresses this virulence factor that helps prevent phagocytosis
Maculopapular rash on palms and soles
Substance on gram negative outer membrane that induces TNF and IL-1
Blue-green pigment
Diabetes + malignant otitis externa
Lobar pneumonia in alcoholics and diabetics
Strain of E. coli that invades intestinal mucosa and causes necrosis and inflammation, no toxins produced
Nausea/vomiting within 1-5 hours of eating warm rice
Extrapulmonary tuberculosis in vertebral body
Causes mesenteric adenitis that can mimic Crohn's or appendicitis
Penicillins and cephalosporins act in this phase of the bacteria growth curve
Ability to take up naked DNA from the environment
Black colonies on cystine-tellurite agar
Colonizes the gut and can cause bacteremia and subacute endocarditis in colon cancer patients
Staph aureus expresses this virulence factor that binds Fc region of Ig and prevents phagocytosis
Associated w/ wound and burn infections
Strain of E. coli that adheres to apical surface, flattens villi, prevents absorption
Toxin prevents release of inhibitory neurotransmitters in spinal cord
Bacterial structure that mediates adherence to surfaces, especially foreign surfaces
Prophylactic tx of M. avium-intracellulare
Gas gangrene and 'double zone' of hemolysis on blood agar
Bacterial structure resistant to dehydration, heat, and chemicals
Bacterial structure that gives rigid support and protects against osmotic pressure
Yellow sulfur granules
Name one bacteria that does not Gram stain well
Substance on gram positive cell walls that induces TNF and IL-1
Tx of actinomyces
HintAnswerExtra
Novobiocin sensitive gram positive cocci
Central rash spreading out and sparing palms and soles
Confirm diagnosis of syphilis with
Rickettsia and chlamydia are what type of microbes?
'Rice water' diarrhea
E. coli exotoxin that causes watery diarrhea by overactivating guanylate cyclase and decreasing NaCl/H2O resorption in gut
Type of leprosy characterized by low cell-mediated immunity with a humoral Th2 response
Hilar node + Ghon focus in nonimmune host
Bacteria w/ no cell wall
Citrobacter, Klebsiella, E. coli, Enterobacter, and Serratia are tested in what type of media?
Novobiocin resistant gram positive cocci
Ingestion of these spores in honey causes floppy baby syndrome
Painless chancre
Bacteria w/ high lipid content in cell wall detected by carbolfuchsin in acid-fast stain
Gray vaginal discharge w/ fishy smell
Tellurite plate, Loffler's media are special culture requirements for
Most common cause of otitis media in children
'Actin rockets' move thi facultative intracellular microbe from cell to cell
Fibrocaseous cavity lesion in upper lobe
Exotoxin that causes pharyngitis by inactivating elongation factor EF-2
Spiral-shaped bacteria visualized by dark-field microscopy
What type of antibiotic is ineffective against aerobes because they require O2 to enter bacterial cell?
Glove and stocking loss of sensation + spread by armadillos
Most common cause of duodenal ulcers
Weakly acid fast branching filamentous bacteria
Silver stain
Bacitracin resistant + B-hemolytic bacteria that colonizes the vagina
Screen syphilis with
Transfer of plasmid and chromosomal genes
Strain of E. coli that includes labile toxin/stable toxin and no inflammation or invasion
Type of leprosy characterized by high cell-mediated immunity with largely Th1 response
Name one facultative intracellular bug
Red currant jelly sputum
Tx of gardnerella
Cat scratch disease
Tx of Lyme disease
Spastic paralysis + lockjaw
Flu-like symptoms + jaundice + photophobia w/ conjunctivitis
HintAnswerExtra
Name one urease-positive microbe
Waterhouse-Friderichsen syndrome
Pseudomembranous pharyngitis + lymphadenopathy
Rose spots on abdomen + fever + headache + diarrhea
Rash starting at wrists and ankles then spreads to trunk, palm, and soles
Major cause of blood diarrhea in children that commonly precedes Guillain-Barre syndrome
Anemia + thrombocytopenia + acute renal failure
Lowenstein-Jensen agar is a special culture requirement for
India ink stain
Exotoxin that causes GI mucosal damage and dysentery by removing adenine from rRNA to inactivate 60S ribosome
Strain of E. coli that produces Shiga-like toxin and hemolytic-uremic syndrome
Strawberry tongue + impetigo + polyarthritis
Quellung reaction occurs in microbes that possess a
Gram negative cocci
Tx of Listeria meningitis in infants, immunocompromised, elderly
Pseudomembranous colitis secondary to antibiotic use
Gram negative + oxidase positive microbe that grows at 42 degrees Celsius
Red pigment-producing bacteria
Prevalent among surfers
Causes disseminated, non-TB disease in AIDS
Tx of Nocardia
Only bacterium with polypeptide capsule containing D-glutamate
Most common cause of meningitis
Infection w/ mycobacterium tuberculosis in nonimmune host
Host antibodies against this toxin used to diagnose rheumatic fever
Name one bacteria that stains with Giemsa
Gram positive + catalase negative diplococci + positive quellung reaction
E. coli exotoxin that causes watery diarrhea by overactivating adenylate cyclase, increasing Cl- secretion in gut
Eaton's agar is a special culture requirement for
Gram positive anaerobe w/ branching filaments
Tx of H. influenzae meningitis
Bacterial virulence factor that binds Fc region of Ig and prevents opsonization and phagocytosis
Gram positive + catalase positive + coagulase positive cocci in clusters
Toxin prevents release of stimulatory signals at neuromuscular junctions resulting in flaccid paralysis
Stain used to diagnose Whipple's disease
Edema factor of this microbe mimics adenylate cyclase enzyme and is responsible for black eschar on skin
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Created Jul 12, 2012ReportNominate
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