Science Quiz / Microbiology 1

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Can you name the microbiology term?

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

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