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