USMLE VIROLOGY-3 Flashcards Preview

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Flashcards in USMLE VIROLOGY-3 Deck (34):
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Answers

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DNA viruses

HHAPPPy viruses!

Herpes
Hepadna
Adeno
Papova
Parvo
Pox

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adenovirus basics

linear dsDNA
naked

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adenovirus transmission

resp, ocular secretions

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adenovirus sx

acute resp dz (ARD)
conjunctivitis
gastroenteritis

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adenovirus vaccine

live nonattentuated
oral
used in military

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papovaviruses include

HPV
BK
JC

PA/PO/VAviruses are all abbreviated!

8

JC virus causes

PML (progressive multifocal leukoencephalopathy)

esp in AIDS pts

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herpesvirus basics

large dsDNA virus
enveloped

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VZV transmission

resp secretions

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chickenpox incubation

2w

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varicella vaccine

live attenuated

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EBV transmission

saliva, resp secretions

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EBV associations

burkitt lymphoma
nasopharyngeal carcinoma
hairy oral leukoplakia (immunocompromised)

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oncogene in burkitt lymphoma

c-myc

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EBV cells on peripheral smear

atypical lymphocytes = activated T cells

foamy cytoplasm (Downy cells)

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Paul-Bunnell test

monospot

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blueberry muffin baby

deaf baby with hemorrhagic cutaneous lesions

*congenital CMV*

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HHV-6

causes "sixth disease" = roseola = exanthema subitum

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HHV-8

cofactor in Kaposi sarcoma

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poxviruses include

variola (smallpox)
molluscum contagiosum
cowpox

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umbilicated wart-like lesions

molluscum

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hepadnaviruses include

hepatitis B virus

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parvovirus (B19) basics

small ssDNA virus

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parvovirus causes

erythema infectiosum (fifth dz)
aplastic crisis
hydrops fetalis

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picornavirus basics

(+)ssRNA
naked

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picornaviruses include

PERCH on a "peak" (pico)

Polio
ECHO
Rhino
Coxsackie
Hepatitis

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poliovirus vaccine(s)

live attenuated (oral)
killed

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ECHO viruses

Enteric Cytopathic Human Orphan

infect GI tract, esp. in summer

aseptic meningitis, fever, rash, enteritis, common cold, hemorrhagic conjunctivitis

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coxsackie season

summer + fall

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coxsackie transmission

nasopharyngeal secretions
also fecal-oral

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hepatitis A caused by

enterovirus 72 (picornavirus)

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herpangina

coxsackie A

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hand-foot-and-mouth dz

coxsackie A