Microbiology Flashcards

1
Q

Hookworms are treated with what and what is the MOA?

What is the story for hookworm?

A

Albendazole, inhibits microtubule polymerization by binding to tubulun

Backpacking in SA, now with n/v/d and s/s of shock

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2
Q

Is pseudomonas motile or non-motile?

A

Motile!

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3
Q

Is Giardia binucleate or uninucleat?

A

BINUCLEATE!!

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4
Q

Syphillis vs. HPV warts, what tips off the difference?

A

HPV warts will be multiple painlrss, grey lesions on the genitals.

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5
Q

What is the host for pinworms?

A

Humans!

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6
Q

C. diff is aerobic or anaerobic??

A

Anaerobic (gas mask because it smells so bad)

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7
Q

What’s the best way to tell the difference between E.coli and Shigella?

A

Shigella is NOT a lactose fermetner!

(no milk at the circus)

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8
Q

Is adenovirus DNA or RNA?

A

DNA!

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9
Q

what is elephantiasis caused by and treated with?

A

Diethylcarbamazipine

caused by W. Bancrofti

(fat leg, neets a DIET-diethyl)

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10
Q

Which HPV strains are most likely to cause genital warts vs. cancer?

A

Warts: 6, 11

Cancer: 16, 18, 31, 32

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11
Q

Which virus has “sandy” appearance and what are it’s features?

A

Arenavirus (Lassa Fever, similar to hanta virus)

circular, ssRNA, 2 segments

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12
Q

What is the prophylaxis for b. anthracis?

A

60 days of cipro and 3 series vaccination

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13
Q

If molluscum is disseminating and you are concerned for HIV, what is the first test?

A

Ag/Ab testing for HIV 1 and 2

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14
Q

What type of agar is Tullarensis grown in?

A

Cysteine glucose agar

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15
Q

What is the suspect for subacute infectious endocarditis after a dental procedure?

A

S. sanguinous (more common than HACEK species)

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16
Q

What are the s/s of Black Widow bite?

what is the toxin?

A

N/V, NMJ symptoms (twitching), abdominal pain

alpha-latrotoxin (neurotoxin)

17
Q

What type of fly causes onchocericosis (blindness)?

A

Black fly

18
Q

Describe Pityriasis Rosea

A

Oval, scaley, looks like tinea, but in a christmas tree pattern on back

19
Q

What can cause similar sx to TB in a HIV pt with a CD4<50?

A

MAC (even the cheesy discharge around hilar LN)

20
Q

What do you treat suspected gonorrhea/chlamydia with ? (even if only presenting sx is dysuria?)

A

ceftriaxone (gon) and azithromycin or doxyclcycline (clam)

21
Q

subacute endocarditis after dental procedure can be caused by s. viridans which is catalase (-) or (+)?

A

Catalase (-)

22
Q

What is the big difference between EIEC and ETEC?

A

EIEC will be bloody (invasive)-also ferments Sorbitol

ETEC-nonbloody

23
Q

What bacteria can cause acute infective endocarditis in a pt with a heart valve?

A

S. Aureus

24
Q

Which air-conditioning bug is a facultatitve intracellular?

A

Legionella

25
Q

Riketssia Prowasaki has a rash that does what?

A

Starts central and spreads peripheral

pleomorphic gram negsative oblgate intracellular