1|Page
COMSAE Phase 1 Form 113 exam COMPLETE
VERIFIED QUESTIONS AND DETAILED SOLUTIONS
LATEST UPDATE THIS YEAR.pdf
Most exotoxins are heat (labile/stabile) - Answer-Labile
Which exotoxins are heat stabile? - Answer-S. aureus and
B. cerus (enterotoxin, food poisoning, no antibiotic
treatment)
Neisseria meningitis is a gram ___ _____ - Answer-
negative diplococci, obligate intracellular
Bacteroides fragilis is a gram _____ strict ____ and
causes _____ - Answer-Gram negative strict anaerobe
and causes pelvic or bowl abscess.
Tx: metronidazole or clindamycin + surgical drainage
Culture Media: Gonorrhea - Answer-Thayer-Martin
(chocolate)
H. influenza - Answer-Chocolate
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C. diphtheria - Answer-Loffler's + Tellurite
Bordetella pertussis - Answer-Bordet-Gengou (Potato
extract)
M. tuberculosis - Answer-Loweenstein-Jensen agat
Legionella - Answer-Charcoal yeast extract agar
Mycoplasma pneumoniae - Answer-Eaton's agar (provides
sterols)
Fungi - Answer-Sabouraud's agar (contains peptides)
E. Coli - Answer-EMB - eosin - methylene blue green
metallic colonies
Lactose fermenting bacteria (enterobacter, klebsellia) -
Answer-MacConkey's (decreased pH produces pink
colonies)
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Strep Pneumoniae is a gram ___, ______ shaped,
_______ with a ______ - Answer-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 - Answer-Bartonella, treat with
azithro, DO NOT ASPIRATE
Cat bite organism - Answer-Paseurella
Cat Poop - Answer-Toxo gondii
Most common bacterial STD in US? - Answer-Chlamydia
, 4|Page
Rose spots on belly, constipation and diarrhea, gram
negative motile bacteria with FLAGELLA and lactose non-
fermenter (produces sulfide) .... what is it? - Answer-
Salmonella typhoid/typhoid fever
Treat with ceftriaxone
Treat carriers with cipro or ampicillin
Resists phagocytosis via Vi polysaccharide
Rickettsia treatment for over 8yo - Answer-Doxycycline
Rickettsia treatment when pregnant - Answer-
Chloramphenicol
Rickettsia treatment under 8 yo - Answer-Amoxicillin
Rash on palm and soles which spreads to trunk,
meningoencephalitis, renal failure - related to dog tick
(dermacentor) - Answer-Rickettsia rickettssii (Rocky
Mountain Spotted Fever)
COMSAE Phase 1 Form 113 exam COMPLETE
VERIFIED QUESTIONS AND DETAILED SOLUTIONS
LATEST UPDATE THIS YEAR.pdf
Most exotoxins are heat (labile/stabile) - Answer-Labile
Which exotoxins are heat stabile? - Answer-S. aureus and
B. cerus (enterotoxin, food poisoning, no antibiotic
treatment)
Neisseria meningitis is a gram ___ _____ - Answer-
negative diplococci, obligate intracellular
Bacteroides fragilis is a gram _____ strict ____ and
causes _____ - Answer-Gram negative strict anaerobe
and causes pelvic or bowl abscess.
Tx: metronidazole or clindamycin + surgical drainage
Culture Media: Gonorrhea - Answer-Thayer-Martin
(chocolate)
H. influenza - Answer-Chocolate
,2|Page
C. diphtheria - Answer-Loffler's + Tellurite
Bordetella pertussis - Answer-Bordet-Gengou (Potato
extract)
M. tuberculosis - Answer-Loweenstein-Jensen agat
Legionella - Answer-Charcoal yeast extract agar
Mycoplasma pneumoniae - Answer-Eaton's agar (provides
sterols)
Fungi - Answer-Sabouraud's agar (contains peptides)
E. Coli - Answer-EMB - eosin - methylene blue green
metallic colonies
Lactose fermenting bacteria (enterobacter, klebsellia) -
Answer-MacConkey's (decreased pH produces pink
colonies)
,3|Page
Strep Pneumoniae is a gram ___, ______ shaped,
_______ with a ______ - Answer-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 - Answer-Bartonella, treat with
azithro, DO NOT ASPIRATE
Cat bite organism - Answer-Paseurella
Cat Poop - Answer-Toxo gondii
Most common bacterial STD in US? - Answer-Chlamydia
, 4|Page
Rose spots on belly, constipation and diarrhea, gram
negative motile bacteria with FLAGELLA and lactose non-
fermenter (produces sulfide) .... what is it? - Answer-
Salmonella typhoid/typhoid fever
Treat with ceftriaxone
Treat carriers with cipro or ampicillin
Resists phagocytosis via Vi polysaccharide
Rickettsia treatment for over 8yo - Answer-Doxycycline
Rickettsia treatment when pregnant - Answer-
Chloramphenicol
Rickettsia treatment under 8 yo - Answer-Amoxicillin
Rash on palm and soles which spreads to trunk,
meningoencephalitis, renal failure - related to dog tick
(dermacentor) - Answer-Rickettsia rickettssii (Rocky
Mountain Spotted Fever)
