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MICROPARA QUIZZES
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shauna
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Cards (50)
T/F: Is anthrax a zoonotic disease?
TRUE
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What symptoms developed after eating fried rice at the restaurant?
Nausea
,
vomiting
, and
diarrhea
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What organism is most likely the causative agent of food poisoning after fried rice consumption?
Bacillus cereus
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Bacitracin is produced from which organism?
Bacillus subtilis
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What is the composition of the capsule of *Bacillus anthracis*?
ED-glutamic acid
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What type of organism is *Listeria monocytogenes*?
Non-
spore forming
, short,
G(+) rod
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Which anaerobic spore-forming bacilli is mentioned?
Clostridium
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In which organisms are endotoxins usually found?
G(-)
organisms
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Which G(+) organism produces an endotoxin that is hemolytic and cytotoxic?
Listeria monocytogenes
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What stain is specifically used to stain spores?
Malachite green
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What reaction indicates beta-hemolytic bacillus in *B. cereus* on BAP?
Completely
lyse
the RBC
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What is the virulence factor of *B. cereus* confirmed through biochemical tests?
Lecithinase
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What is observed in stained smear of *Corynebacterium diphtheriae*?
Cuneiform
arrangement with
metachromatic
granules
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What is the susceptibility test for diphtheria?
Schick
test
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What is a key characteristic of *C. diphtheriae* in microscopy?
Club-shaped
or
Chinese character/letter
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What is the causative agent of anthrax?
Bacillus anthracis
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What is the characteristic feature of G(+) bacilli cell wall using Gram-staining?
Stained
purple
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What is the preferred selective medium for isolating *Corynebacterium*?
Cystine tellurite blood agar
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T/F: Is Streptomyces a fungus?
FALSE
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What are three biochemical reactions for isolating and identifying *Bacillus* spp.?
Catalase
positive
Ferments
glucose
Hydrolyzes starch
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What is a known adverse drug reaction of streptomycin?
Vestibular damage (
ototoxic
) and
nephrotoxic
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What is dapsone used to treat?
Mycobacterium leprae
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Which drug is associated with optic neuritis as a side effect?
Ethambutol
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What is the antidote for isoniazid poisoning?
Vitamin B6
pyridoxine
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T/F: Is isoniazid associated with a B-lactam ring?
False
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What should be periodically assessed when high doses of ethambutol are given?
Visual acuity
and
red-green color discrimination
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What is the source of the antibiotic streptomycin?
Streptomyces griseus
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What is given with isoniazid to prevent neurologic side effects?
Vitamin B6
pyridoxine
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What is the drug of choice for prophylaxis of meningococcal infection?
Rifampin
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Which TB drugs are bactericidal at usual doses?
Rifampin
and
isoniazid
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What does DOTs stand for?
Directly
observed
therapy
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What are the three letters for isoniazid?
INH
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What are the three letters for rifampin?
RIF
or
RMP
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What are the three letters for ethambutol?
EMB
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What are the three letters for pyrazinamide?
PZA
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What bacterium causes Hansen's disease?
MYCOBACTERIUM
LEPRAE
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Is *Mycobacterium bovis* capable of infecting humans?
FALSE
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Which bacillus can be grown in Lowenstein-Jensen medium?
MYCOBACTERIUM TUBERCULOSIS
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What is the staining method used for *M. tuberculosis*?
ZIEHL-NEELSEN STAINING
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What type of organism is Mycobacterium spp.?
Rod-shaped,
aerobic
organism
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