Flashcards in Micro IV Deck (68)
What are the two major coagulase negative staph?
What is the second most common cause of UTIs in young women?
What are the components of the cell capsule?
Teichoic acid and peptidoglycan
True or false: the thicker the cell wall, the more effective the PCN
What is the drug that is used to prevent loss of PCN through the urine?
What is the mnemonic for the hemolytic patterns?
What happens to C3 with strep infections?
recent h/o tooth extraction = ?
h/o IV drug use = ?
h/o prosthesis placement = ?
What is the treatment for staph epidermidis?
Which heart valve is most commonly involved
in viridan endocarditis?
What are the erythematous painless lesions
seen on the palms and soles of patients with
Janeway lesions--septic valvular embolism or immune complexes
What are the raised painful lesions on the
fingers and toes called?
A male dental patient with a childhood history
of mitral regurgitation is scheduled for extraction of two decayed teeth. The most commonly used prophylactic measure in this patient would be administration of what?
What are the fingernail findings of strep viridans heart infx?
Which are painful: osler nodes or janeway lesions?
What are the Roth's spots found with bacterial endocarditis? What causes them?
retinal hemorrhage with white or place centers composed of coagulat fibrin.
They are usually caused by immune complexes medicated vasculitis
What is the most common cause of Otitis externa?
What are the classic s/sx of endocarditis? (5)
-Osler nodes / Janeway lesions
What is the treatment for endocarditis?
Empiric treatment with broad spectrum abx and obtain blood cultures
What is the only CAMP positive strep?
What is the classic shape of N. Meningitidis?
Gram negative kidney bean diplococci
Is Neisseria Meningitidis oxidase positive or negative?
What is the agar that is used to culture Neisseria meningitidis?
Chocolate agar with CO2
What are the two major virulence factors associated with Neisseria meningitidis?
-CHO anti-phagocytic capsule
What is the treatment for Neisseria meningitidis?
PCN G or ceftriaxone
How do you differentiate between Neisseria meningitidis and other Neisseria species?
Meningitidis ferments maltose
Gonococcus only glucose
Is N. Meningitidis aerobic?