Shared Flashcard Set

Details

strep throat
ONU med micro r-anderson
22
Microbiology
Undergraduate 2
09/27/2011

Additional Microbiology Flashcards

 


 

Cards

Term
causative agent
Definition
streptococcus pyogenes
Term
streptococcus pyogenes etiology
Definition
gram +, small, fermentation, catalase negative, capsule made of hyaluronic acid, hemolysin, group A antigen on surface
Term
reservoir
Definition
infected humans and asymptomatic carriers
Term
mode of transmission
Definition
contact mode, droplets, fomites
Term
clinical signs and symptoms
Definition
fever, pharyngitis, headache, pus from tonsils
Term
potential complications
Definition
peritonsilar abscesses, scarlet fever, rheumatic fever, rheumatic heart disease, acute flomerulonephritis
Term
entry
Definition
respiratory route via droplets
Term
attachment
Definition
bacteria F protein binds to fibronectin of pharyngeal cells
Term
avoid host defenses
Definition
antiphagocytic capsule
Term
enzymes used
Definition
proteases, DNAse, hemolysins, streptokinase
Term
techonic acid
Definition
induce cytokine response causing intense inflammatory response
Term
specimen collection
Definition
throat swab
Term
testing types
Definition
nonculture and culture
Term
nonculture testing and accuracy
Definition
group a antigen test using ELISA test
60%
Term
ELISA stands for
Definition
enzyme-linked immunoabsorbant assay
Term
cultural testing and acuracy
Definition
beta-hemolytic streptococci on blood agar plates
95%
Term
blood agar components
Definition
peptone, sheep blood, agar
Term
treatment options
Definition
penicillin V orally for 10 days
or
comparable amount of azithromycin/erythromycin
Term
why is it important to finish medication?
Definition
prevents regrowth of drug resistant bacteia that could have serious complications if reinfected
Term
prevention
Definition
personal hygiene, avoid infected people, prophylatic antibiotics during epidemics
Term
vaccine?
Definition
no
Term
tonsilectomies effective?
Definition
nope
Supporting users have an ad free experience!