Bacteria Flashcards
Gram positive cocci in clusters
Staph
Catalase positive gram positive cocci
Staph
What bugs cause impetigo
Staph aureus, strep pyogenes
What bug causes scalded skin syndrome
Staph aureus
What bug causes toxic shock syndrome
Staph aureus
Rapid onset of vomiting after eating meats or custards that have been out for a while
Staph aureus food poisoning
Treatment for staph aureus
Nafcillin
Patchy infiltrative pneumonia after a viral infection
Staph aureus
Yellow colonies on blood agar
Staph aureus
Is staph aureus gram positive or negative?
Positive
Is staph aureus catalase positive or negative
Positive
Is staph aureus coagulase positive or negative
Positive
Ferments mannitol
Staph aureus
Most common cause of osteomyelitis
Staph aureus
Acute endocarditis in an IV drug user
Staph aureus
Which valve does staph endocarditis typically affect
Tricuspid
This bug often infects artificial joints and hardware
Staph epidermidis
Most common cause of endocarditis affecting artificial heart valves
Staph epidermidis
Treatment for staph epidermidis
Vancomycin
Common cause of UTIs in sexually active females
Staph saprophyticus
Novobiocin sensitive, catalase positive, coagulase negative staph
Staph epidermidis
Novobiocin resistant, catalase positive, coagulase negative staph
Staph saprophyticus
Does strep pyogenes have a capsule? If so, what kind?
yes, hyaluronic acid
Gram postive cocci in chains
Strep
Positive ASO titers
Strep pyogenes
Bacitracin sensitive strep
Strep pyogenes
Honey crusted skin infection
Impetigo
Most common cause of erysipelas
Strep pyogenes
Causes rheumatic fever
Strep pyogenes
Virulence factor of strep pyogenes responsible for rheumatic fever
M protein
Which valve is most commonly affected in rheumatic fever
Mitral
JONES criteria
Joints, valvular damage, nodules, erythema marginatum, sydenham’s chorea
What type of immune reaction is PSGN
Type III
Coca Cola urine after strep A infection
PSGN
Strawberry tongue, pharyngitis, widespread rash that spreads the face
Scarlet fever
Which bug causes scarlet fever
Strep pyogenes
Which toxins cause scarlet fever
SpeC and SpeA
Toxin diseases associated with strep pyogenes
Scarlet fever, toxin shock like syndrome, necrotizing fasciitis
Which toxin causes toxin shock like syndrome
SpeC and SpeA
Which toxin causes necrotizing fasciitis
SpeB
Toxin diseases associated with staph aureus
Scalded skin syndrome, toxic shock syndrome, staph food poisoning
What toxin causes toxin shock syndrome
toxic shock syndrome toxin
Is staph epidermidis novobiocin sensitive or resistant
Sensitive
Is staph epidermidis catalase positive or negative
Positive
Is staph epidermidis coagulase positive or negative
Negative
Is staph saprophyticus novobiocin sensitive or resistant
Resistant
Is staph saprophyticus catalase positive or negative
Positive
Is staph saprophyticus coagulase positive or negative
Negative
Manifestations of strep agalactiae in newborns
Meningitis, sepsis, pneumonia
Group A strep
Strep pyogenes
Group B strep
Strep agalactiae
Hippurate positive
Strep agalactiae
Beta hemolytic strep
Strep pyogenes and agalactiae
Bacitracin sensitive, beta hemolytic strep
Strep pyogenes
Bacitracin resistant, beta hemolytic strep
Strep agalactiae
When does a pregnant woman need to be tested for group B strep
35 weeks
Treatment for group A strep
penicillin
Treatment for group B strep
penicillin
Alpha hemolytic strep
strep pneumonia and strep viridans
Optochin sensitive strep
Strep pneumoniae
Lancet shaped diplococci
Strep pneumoniae
Strep pneumoniae is the most common cause of these things
Meningitis, otitis media, pneumonia, sinusitis
Treatment for strep pneumoniae
Azithromycin or ceftriaxone
Which strep pneumoniae vaccine do children get? Which antibodies does it result in
7 valent conjugated, IgG
Which strep pneumoniae vaccine do adults get? Which antibodies does it result in
23 valent, IgM
Does strep pneumoniae have a capsule? If so, what kind?
yes, Polysaccharide
Does strep viridians have a capsule? If so, what kind?
None
Does strep agalactiae have a capsule? If so, what kind?
yes, polysaccharide
Do staph species have capsules?
No
Optochin resistant strep
Strep viridans
Infection commonly associated with dental carries
Strep viridans
Subacute endocarditis in a previously damaged heart
Strep sanguineous
Is staph gram positive or negative
Positive
Is strep gram positive or negative
Positive
Is clostridium gram positive or negative
Positive
Tetanus toxin cleaves what protein and inhibits the release of which neurotransmitters
SNARE, GABA and glycine
Risus sardonicus
Clostridium tetani
Opisthotonus
Clostridium tetani
The toxin of this organism is found in improperly canned foods
Clostridium botulinum
The spores of this organism are found in honey
Clostridium botulinum
Botulism toxin cleaves what protein and inhibits the release of what neurotransmitter
SNARE, ACh
Floppy baby syndrome
Clostridium botulinum
Descending paralysis
Clostridium botulinum