Microbiology Flashcards
Hookworms are treated with what and what is the MOA?
What is the story for hookworm?
Albendazole, inhibits microtubule polymerization by binding to tubulun
Backpacking in SA, now with n/v/d and s/s of shock
Is pseudomonas motile or non-motile?
Motile!
Is Giardia binucleate or uninucleat?
BINUCLEATE!!
Syphillis vs. HPV warts, what tips off the difference?
HPV warts will be multiple painlrss, grey lesions on the genitals.
What is the host for pinworms?
Humans!
C. diff is aerobic or anaerobic??
Anaerobic (gas mask because it smells so bad)
What’s the best way to tell the difference between E.coli and Shigella?
Shigella is NOT a lactose fermetner!
(no milk at the circus)
Is adenovirus DNA or RNA?
DNA!
what is elephantiasis caused by and treated with?
Diethylcarbamazipine
caused by W. Bancrofti
(fat leg, neets a DIET-diethyl)
Which HPV strains are most likely to cause genital warts vs. cancer?
Warts: 6, 11
Cancer: 16, 18, 31, 32
Which virus has “sandy” appearance and what are it’s features?
Arenavirus (Lassa Fever, similar to hanta virus)
circular, ssRNA, 2 segments
What is the prophylaxis for b. anthracis?
60 days of cipro and 3 series vaccination
If molluscum is disseminating and you are concerned for HIV, what is the first test?
Ag/Ab testing for HIV 1 and 2
What type of agar is Tullarensis grown in?
Cysteine glucose agar
What is the suspect for subacute infectious endocarditis after a dental procedure?
S. sanguinous (more common than HACEK species)
What are the s/s of Black Widow bite?
what is the toxin?
N/V, NMJ symptoms (twitching), abdominal pain
alpha-latrotoxin (neurotoxin)
What type of fly causes onchocericosis (blindness)?
Black fly
Describe Pityriasis Rosea
Oval, scaley, looks like tinea, but in a christmas tree pattern on back
What can cause similar sx to TB in a HIV pt with a CD4<50?
MAC (even the cheesy discharge around hilar LN)
What do you treat suspected gonorrhea/chlamydia with ? (even if only presenting sx is dysuria?)
ceftriaxone (gon) and azithromycin or doxyclcycline (clam)
subacute endocarditis after dental procedure can be caused by s. viridans which is catalase (-) or (+)?
Catalase (-)
What is the big difference between EIEC and ETEC?
EIEC will be bloody (invasive)-also ferments Sorbitol
ETEC-nonbloody
What bacteria can cause acute infective endocarditis in a pt with a heart valve?
S. Aureus
Which air-conditioning bug is a facultatitve intracellular?
Legionella
Riketssia Prowasaki has a rash that does what?
Starts central and spreads peripheral
pleomorphic gram negsative oblgate intracellular
