Science Quiz / Microbiology 1

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Can you name the microbiology term?

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

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