COMSAE Cramming || solved correctly.
Most exotoxins are heat (labile/stabile) correct answers Labile
Which exotoxins are heat stabile? correct answers S. aureus and B. cerus (enterotoxin, food
poisoning, no antibiotic treatment)
Neisseria meningitis is a gram ___ _____ correct answers negative diplococci, obligate
intracellular
Bacteroides fragilis is a gram _____ strict ____ and causes _____ correct answers Gram negative
strict anaerobe and causes pelvic or bowl abscess.
Tx: metronidazole or clindamycin + surgical drainage
Culture Media: Gonorrhea correct answers Thayer-Martin (chocolate)
H. influenza correct answers Chocolate
C. diphtheria correct answers Loffler's + Tellurite
Bordetella pertussis correct answers Bordet-Gengou (Potato extract)
M. tuberculosis correct answers Loweenstein-Jensen agat
Legionella correct answers Charcoal yeast extract agar
Mycoplasma pneumoniae correct answers Eaton's agar (provides sterols)
,Fungi correct answers Sabouraud's agar (contains peptides)
E. Coli correct answers EMB - eosin - methylene blue green metallic colonies
Lactose fermenting bacteria (enterobacter, klebsellia) correct answers MacConkey's (decreased
pH produces pink colonies)
Strep Pneumoniae is a gram ___, ______ shaped, _______ with a ______ correct answers Gram
positive, lancet-shaped, diplococci with a capsule
Causes adult bacterial meningitis and community acquired PNA
Secretes IgA proteases
Optochin-sensitive
Alpha hemolytic
Virulence factor - capsule
Cat scratch organism correct answers Bartonella, treat with azithro, DO NOT ASPIRATE
Cat bite organism correct answers Paseurella
Cat Poop correct answers Toxo gondii
Most common bacterial STD in US? correct answers Chlamydia
Rose spots on belly, constipation and diarrhea, gram negative motile bacteria with FLAGELLA
and lactose non-fermenter (produces sulfide) .... what is it? correct answers Salmonella
typhoid/typhoid fever
Treat with ceftriaxone
Treat carriers with cipro or ampicillin
, Resists phagocytosis via Vi polysaccharide
Rickettsia treatment for over 8yo correct answers Doxycycline
Rickettsia treatment when pregnant correct answers Chloramphenicol
Rickettsia treatment under 8 yo correct answers Amoxicillin
Rash on palm and soles which spreads to trunk, meningoencephalitis, renal failure - related to
dog tick (dermacentor) correct answers Rickettsia rickettssii (Rocky Mountain Spotted Fever)
Endemic typhus, spread by body louse, rash on trunk that spreads peripherally, maculopapular
petechiae, common in homeless correct answers Rickettsia prowazekii
Endemic typhus (murine typhus), fleas on rats, discrete rash after six days correct answers
Ricketssia typhi
Q fever, a type of rickettsia, seen in cattle farmers, severe onset fever and dry cough but NO
RASH correct answers Coxiella burnetii
Thumb print sign, drooling in child, sniffing position = correct answers epiglottis
Reactive arthritis associated with urethritis, cervicitis, and conjunctivitis (most commonly
chlamydia or shigella related) correct answers Reiter's Syndrome
Infection localized to lymphatic tissues, presents as cervical lyphadenitis in children, cured by
excision and chemotherapy correct answers Mycobacterium scrofulaceum
Most exotoxins are heat (labile/stabile) correct answers Labile
Which exotoxins are heat stabile? correct answers S. aureus and B. cerus (enterotoxin, food
poisoning, no antibiotic treatment)
Neisseria meningitis is a gram ___ _____ correct answers negative diplococci, obligate
intracellular
Bacteroides fragilis is a gram _____ strict ____ and causes _____ correct answers Gram negative
strict anaerobe and causes pelvic or bowl abscess.
Tx: metronidazole or clindamycin + surgical drainage
Culture Media: Gonorrhea correct answers Thayer-Martin (chocolate)
H. influenza correct answers Chocolate
C. diphtheria correct answers Loffler's + Tellurite
Bordetella pertussis correct answers Bordet-Gengou (Potato extract)
M. tuberculosis correct answers Loweenstein-Jensen agat
Legionella correct answers Charcoal yeast extract agar
Mycoplasma pneumoniae correct answers Eaton's agar (provides sterols)
,Fungi correct answers Sabouraud's agar (contains peptides)
E. Coli correct answers EMB - eosin - methylene blue green metallic colonies
Lactose fermenting bacteria (enterobacter, klebsellia) correct answers MacConkey's (decreased
pH produces pink colonies)
Strep Pneumoniae is a gram ___, ______ shaped, _______ with a ______ correct answers Gram
positive, lancet-shaped, diplococci with a capsule
Causes adult bacterial meningitis and community acquired PNA
Secretes IgA proteases
Optochin-sensitive
Alpha hemolytic
Virulence factor - capsule
Cat scratch organism correct answers Bartonella, treat with azithro, DO NOT ASPIRATE
Cat bite organism correct answers Paseurella
Cat Poop correct answers Toxo gondii
Most common bacterial STD in US? correct answers Chlamydia
Rose spots on belly, constipation and diarrhea, gram negative motile bacteria with FLAGELLA
and lactose non-fermenter (produces sulfide) .... what is it? correct answers Salmonella
typhoid/typhoid fever
Treat with ceftriaxone
Treat carriers with cipro or ampicillin
, Resists phagocytosis via Vi polysaccharide
Rickettsia treatment for over 8yo correct answers Doxycycline
Rickettsia treatment when pregnant correct answers Chloramphenicol
Rickettsia treatment under 8 yo correct answers Amoxicillin
Rash on palm and soles which spreads to trunk, meningoencephalitis, renal failure - related to
dog tick (dermacentor) correct answers Rickettsia rickettssii (Rocky Mountain Spotted Fever)
Endemic typhus, spread by body louse, rash on trunk that spreads peripherally, maculopapular
petechiae, common in homeless correct answers Rickettsia prowazekii
Endemic typhus (murine typhus), fleas on rats, discrete rash after six days correct answers
Ricketssia typhi
Q fever, a type of rickettsia, seen in cattle farmers, severe onset fever and dry cough but NO
RASH correct answers Coxiella burnetii
Thumb print sign, drooling in child, sniffing position = correct answers epiglottis
Reactive arthritis associated with urethritis, cervicitis, and conjunctivitis (most commonly
chlamydia or shigella related) correct answers Reiter's Syndrome
Infection localized to lymphatic tissues, presents as cervical lyphadenitis in children, cured by
excision and chemotherapy correct answers Mycobacterium scrofulaceum
