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45 Cards in this Set

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PERCH are ___ sense ____ Viruses

Positive, RNA

what viruses make up the PERCH group?

polio


ECHO


Rhino


Coxsackie


Hep. A

polio causes what type of paralysis?

flaccid

Who postulated the existence of viruses

Dmitri Ivanoski

Develped the electron microscope that showed viruses

Ernst Ruska

No cell wall, no nucleus, no ribosome, DNA or RNA

viruses

Ability to cause disease referrs to an orgaisms

pathogenicity

Ability to penetrate the defenses of the host

ivasiveness

ability to cause serious disease

virulence

ability to change surface antigenst to avoid detection

antigenic shift

hospital acquired infection

nosocomial

part of the normal flora

commensal

ability of two dissimilar living together

symbiosis

both organisms need each other to function

synergism

one organism benefits while causing harm to the other

parasite

both organisms benefit one another

mutualism

host agent and environment

disease triangle (agent, host, environment)

chemicals, heat, irradiation and antiviral medication are ways to control _______ of an organism

growth

viral RNA can be directly incorporated into the host cell proteins

+ sense

viral RNA must first be converted to a + sense by an RNA polymerase

- sense

All viruses are RNA except __ which are (pneumonic)

7, HHHaPPPy to be DNA

what groups are DNA viruses? (7)

herpes, hepa DNA, Human papilloma, adenoma, parvo, pox and polyoma

all DNA viruses are DS except ____

Parvo B19

all DNA viruses are icosahedral in shape except ___ which is complex

POX

what are the 3 envolped DNA viruses

HEPA DNA, Pox, Herpes

what are the nake DNA viruses?

HPV, Adenoma, polyoma

HPV is a _____ DNA virus

naked

is polyoma an enveloped or naked DNA virus

naked

an adenoma is a naked or enveloped virus

naked

slapped cheek syndrome is cause by

Parvo B19

5th disease is aka

slapped cheek syn or erythema infectiosum

erythema infectiosum is aka

5th disease, slapped cheek syn

HPV is caused by what type

type 16 and 18

HPV causes what type of carcinoma

cervical carcinoma

cervical carcinoma is cause by HPV ___ and ___

16, 18

Human herpes virus is a _____ stranded (enveloped or naked), (DNA or RNA) virus

double stranded, enveloped DNA virus

Herpes simplex 1 causes

herpes labalis: crop of painful vesicles on lips

herpes labalis is caused by

herpes simplex 1

herpes labalis consists of

painful vesicles on lips

Herpes genitalis consists of

crop of painful vesicles on the vulva

HS 2 causes

herpes genitalis

HHV 3 causes

chicken pox and herpes zoster

HHV type 4

MONO and burkitt's lymphoma

HHV 5

cytomegalovirus infection of the brain (owl eye appearance)

HHV 8

kaposi sarcoma and molluscum contagiosum