Shared Flashcard Set

Details

Micro Bio Unique things & buzzwords
Micro Bio Unique things & buzzwords
30
Medical
Graduate
05/20/2011

Additional Medical Flashcards

 


 

Cards

Term
PAS stain is for one organism in particular
Definition
T. whippelii uses this stain
Term
Silver stain for this lung infections
Definition

bacteria - specifically Legionella pneumo uses this stain

Multiple fungi (PCP) use this stain as well

Term
Ziehl-Neelsen stain is used for?
Definition
This stain is used for acid fast bacteria
Term
India Ink is for this bug in particular
Definition
Cryptococcus neoformans uses this stain in particular
Term
Ixodes carry these
Definition
Borellia burgdorferi and Babesia - what's the vector
Term


Coxsakie A., Rickett's (rocky mtn spt fever), Syphilis (T. palladium) 

C.A.R.S.

 

Definition

 

Infections which cause lesions on palms and soles

 

Term
Coxiella burnetii causes what Dz
Definition
Bacteria of Q fever
Term
Weil-Felix reaction
Definition
What is the reaction called: cross rxn where ppl w/ rickettsial dz have anti-rickettsia antibodies which cross react w/ Proteus O antigen and agglutinate (mix pt sera w/ proteus antigen = agglutinate)
Term
how is Q fever spread?
Definition

inhaled spores from tick feces or cattle placenta is how this is spread

-no vector

Term
Clostridium perfringes has what special characteristic on agar
Definition
Double zone of hemolysis on blood agar is what organism
Term
What does Listeria do on blood agar?
Definition
Beta hemolysis
Term
1) Endocarditis and osteomylitis are commonly caused by what?
2) and osteomylitis in sickle cell is caused by what?
Definition
1) Staph aureus
2) Salmonella
Term
This is usually the cause of infection on implanted prostheses and IV catheters
Definition
Staph epidrmidisi (coag neg)
Term
Subacute endocarditis is caused by what 2 organisms in what group?
Definition
Group D strep - Enterococcus & Strep bovis
Term
What toxin does Clostridium perforenges use & what does it do?
Definition
Alpha toxin lecthinase - causes myonecrosis
Term
What are the toxins and their actions for Clostridium difficile
Definition
Toxin A is an enterotoxin and damages brush border
Toxin B destroys the enterocyte cytoskeleton, causes pseudomembrane
Term
what are the two filamentous gram pos bacteria and their diseases
Definition
1) Actinomyces causes oro/facial abscesses and sinusitis tract drainage w/ sulfur granules
2) Nocardia (near cardia) infects the lungs (usually in immunocompromised).
Term
What are the organisms which are gram negative cocci?
Definition
Nisseria meningiditis
Nisseria gonococcus
Moraxella cattheris
Term
What is unique about EHEC metabolism?
Definition
does not ferment sorbitol where other E. coli types do
Term
Leptospira causes what symptoms & what is it caused when it is severe
Definition
1) flu sx, abd pain, Jaundice, Photophobic conjunctivitis
2) Weil's Dz is severe, ictero hemorrhagic, severe jaundice w/ liver/kidney dysfunction, axotemia, hemorrhage and anemia
Term
What is the difference in Rickettsial rashes b/w rickettsii and typhus/prowazkii
Definition
1) Ricketsii is rocky mountian starts on hands/feet (palms soles too) and moves centrally
2) typhus/prowazkii rash starts on the trunk and moves outward
Term
What does mycoplasma pneumonia cause immunologically and what is special about it's membrane
Definition
1) it causes IgM cold agglutins
2) it has no wall and is the only prokaryote to have cholesterol in it's membrane
Term
Where does cornybacteria's AB toxin act?
Definition
inactivates EF-2 on 60S ribosome - no protein synthesis, causes pseudomembrane
Term
how does shiga toxin woark
Definition
claves host rRNA (for 60s) and enhances cytokine release - causes endotheilal damamge, endothelia swell and mechanically lyse RBCs (hemolytic)
Term
Differences between N. meningiditis and gonococci
Definition
Meningiditis has a capsule and can ferment mannose
Gonococcus has no capsule, can not ferment mannose, but has rapidly changing antigens.
Term
what causes Epiglottitis
Definition
Haemophilus influenzae
Term
What virus is associated with nasopharyngeal carcinoma in chinese populations?
Definition
EBV is can cause that neoplasm.
Term
What are the 3 major chemical mediators of sepsis?
Definition

TNF-alpha is the most impt

IL-1 does fever - brain to make PGE2

IL-6 also does fever (from Tcells, macrophages, smooth and striated muscles)

Term
What diarrhea do you get from an animal, like a dog, which also recently had diarrhea?
Definition
Campylobacter is the zoonotic diarrhea
Supporting users have an ad free experience!