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Microbiology > dnavirus > Flashcards

dnavirus Flashcards

1
Q

herpesvirus

A

enveoped, DS, Linear viruses

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2
Q

HSV1 route of transmission

A

respriatory secretions, saliva

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3
Q

singficiance of hsv1

A

gingivostomatitis, keratoconjunctivitis, herpes labialis, herpetic whitlow on finger, temporal lobe encephalitis, esophagitis, erythema multiforme

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4
Q

most common cause of sporadic encephalitis; present as altered mental status, seizures, and or aphasia

A

herpes simplex virus 1

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5
Q

painful vesicles on lips and hard palte

A

gingivostomatitis (results in dehydration): most common reason for hospitlization

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6
Q

herpes simplex virus 2 route

A

sexual contact, perinatal

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7
Q

singficiance of hsv2

A

herpes genitalis, neonatal herpes

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8
Q

painful vesicles on labia, penis, buttocks or thigh

A

herpes genitalis

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9
Q

fever, myyalgia, inguinal lymphadenoapthy, itchy, painful vesicular genital lesion

A

ystmeic symptoms in primary infection of hsv2

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10
Q

latent in sacral ganglia

A

hsv2

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11
Q

viral meningits more common with which herpresvirus

A

hsv2

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12
Q

transmission of varicella zoster virus

A

respiratoyr secretions

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13
Q

significance of varicella zoster virus

A

varicella zoster (chickenpox, shingles, encephalitis, pneumonia

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14
Q

most commpon complication of shingles is

A

post herpetic neuralgia

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15
Q

latent in dorsal root or trigeminal ganglia; cn V1 branch can cause herpes zoster ophthalmicus

A

zostervirus

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16
Q

diagnosed with pcr

A

herpesvirus

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17
Q

only virus to acquire their envelopes by budding from nuclear membrane

A

herpesvirus

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18
Q

poxvirus

A

enveloped, DS linear (largest DNA virus)

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19
Q

flesh colored papule with central umbilication

A

molluscum bodies; single or mutliple lesions that are smooth POXVIRUS

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20
Q

hepadnavirus

A

enveloped, PARTIALLY DS and circular

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21
Q

adenovirus

A

nonevenolped, DS, linear

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22
Q

febrile pharyngitis - sore throat
acute hemorraghic cystiis
pneumonia
conjunctivitis

A

adenovirus

23
Q

outbreaks in corwded quarters (daycare centers camp

A

adenovirsu

24
Q

acute onset of fever, coguh congestion, pharyngitis, conjunicitiist

A

pharyngoconjunctival fever

25
Q

papillomavirus

A

noneveloped, ds and circular

26
Q

JC virus, BK virus

A

polyomavirus

27
Q

progressive multifocal leukoencepahloaphty in HIV

A

JC Virus

28
Q

transplant patients, commonly targets kidneys

A

BK virus

29
Q

parvovirus

A

non enveolped
SS
Linear

30
Q

aplastic crises in sickle cell disase, slapped cheek rash in children (erytehma infectiousu or fifth disasese

A

B19

31
Q

RBC destrcution in fetus leads to hydrops fetalis and death, in adults leads to pure RBC aplasia and RA

A

parvovirus

32
Q

occurs in teachers: school outbreaks

A

parvovirus

33
Q

HHV4

A

epstein barr

34
Q

avoid contact sports utnil resolution due to risk of splenic rupture

A

EBV

35
Q

infects B cells through CD21

A

eBV

36
Q

use of ____ in mononucleosisi can cause characterisic maculopapular rash

A

amoxicillin

37
Q

EBV mechanism

A

stimualte b cells to enter cell cycle and proflieratie continous:ly: immortialized lymphocytes

38
Q

common in lung transplants

A

CMV

39
Q

HHV6 and 7

A

roseola infatnum (exanthem subitum)

40
Q

high fevers for several days that can cause seizures followed by diffuse macular rash

A

roseola infantum

41
Q

rash in hhv6 starts on

A

starts on trunk and spreads to face + extremities

42
Q

yellow ewhite fluffy retinal lesions near retinal vessels assoc with hemorraghe

A

cmv retiinits

43
Q

encephalitisi, esophagigits, retinintsi, colitis

A

CMV

44
Q

Rhinovruis uses what receptor

A

ICAM1

45
Q

CMV uses what receptor

A

integrins (heparan sulfate)

46
Q

coxsackie is on what palate

A

soft

47
Q

hsv1 is on what palte

A

hard

48
Q

classic dengue fever

A

flu like febrile illenes wi marked malgias, joint pains
retro oribatl pain
rahs

49
Q

what transmits chikungunya

A

aedes mosquito

flu like symptoms, febrile, pilyarthralgia, arthritis, and diffuse macular rash

50
Q

what dissolve lipid bilarye tha makes up outer viral envelop

A

ethers and organic solvens; causing lsos of viral infectivity

51
Q

2ndeary infection of degnue fever

A

vascuarl permeability, thrombocytopenia, shock, fever, pos tourniquet test

52
Q

West nile virus

A

fever headache rash

meniginits, encephalitis

53
Q

transmission of west nile

A

mosquitoes, (culex sspp_

54
Q

anti WNV antiobides in CSF

A

diagnosis for west nile virus which is more common in warm climate in summer/ fall

Microbiology (13 decks)

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