Set 28 Viruses and Prions Flashcards Preview

NBCE Part 1 > Set 28 Viruses and Prions > Flashcards

Flashcards in Set 28 Viruses and Prions Deck (50):
1

Which WBCs increase with a viral infection?

lymphocytes

2

Where do viruses become active?

inside a cell

3

What do some viruses have?

an envelope around the capsid

4

What are prions?

infection particles, protein only, no nucleic acid

5

What do prions cause?

slow diseases called transmissible spongiform encephalopathies (CJD)

6

Which is more resistant viruses or prions?

prions

7

How is a prion inactivated?

hypochlorite and autoclaving

8

Do prions cause an immune response or inflammation?

no

9

adenovirus:

adeno, upper and lower resp tract inf (URI and LRI), conjuctivitis, diarrhea

10

echovirus:

picorna, URI pharyngitis, skin rash

11

What are the respiratory viruses?

adeno, echo, rhino, coxsackie, influenza A and B, and respiratory syncytial

12

rhinovirus:

URI, common cold

13

coxsackie virus:

picnora, pleurodynia: pain of intercostal muscles due to irritation AKA "devil's grip", herpangina: vesiculo-ulcerative lesions, myocarditis, pancreatitis, hand foot mouth

14

Influenza A and B:

orthomyxo, influenza

15

respiratory syncytial virus:

paramyxo, bronhcitis, pneumonia (in children)

16

What are the digestive viruses?

mumps, noro, rota, hep A, B and C

17

Mumps:

paramyxo, pancreatitis and Orchitis (M) and oophoritis (F)

18

Norovirus:

caliciviridae, nausea, vomiting, diarrhea, abdominal pain, and lethargy

19

Rotavirus:

reo, childhood diarrhea (most common)

20

Hep A:

picorna, acute viral hep, oral fecal, shorter, less virulent

21

Hep B:

hepanda, acute or chronic, blood, hospital workers

22

Hep C:

flaviviridae, Non-A and Non-B, causes infusuion Hep

23

What are the systemic viruses with skin eruptions?

measles, rubella, parvo, variola, vaccinia, varicella-zoster, herpes simplex I and II

24

Measles:

paramyxo, measles (rubeola), Koplik spots, subacute sclerosing, panencephalitis

25

Rubella:

toga, German Measles, rubella

26

Parvovirus:

parvo, erythema infectiosum, aplastic anemia, slapped cheeks

27

Variola:

pox, smallpox, "eradicated", guarnieri bodies

28

Vaccinia:

pox, cow pox, blisters hands, those with cowpox are immune from small pox

29

Varicella-zoster:

herpes, chickenpox, shingles

30

Herpes Simplex I:

cold sores, vesicular lesions Whitlow, found on thumb (child)

31

Herpes Simplex II:

genital herpes

32

Cytomegalovirus:

herpes, cytomegalic inclusion

33

Epstein-Barr:

herpes, infectious mono, downy cell: atypical lymphocyte

34

HIV I and II:

retro, AIDS, ARC (diploid), ELISA, Western Blot

35

What are the systemic viruses with hematopoietic disorders?

cytomegalovirus, Epstein-Barr, and HIV I/II

36

What are the arboviruses?

dengue fever, yellow fever, ebola, and hanta

37

Dengue Fever:

flaviviridae, hemorrhagic fever, Walter Reed

38

Yellow Fever:

flaviviridae, fever, nausea, Aedes Aegypti mosquito, Walter Reed

39

Ebola:

filoviridae, fever, sore throat, headache, bleeding and death

40

Hanta:

bunyaviridae, fever, cough, lungs fill with fluid, death vector: rodent dust

41

What are the warty viruses?

papillomavirus (HPV) and molluscum

42

Papillomavirus (HPV):

papova, condyloma, cervical carcinoma

43

Molluscum:

pox, molluscum contagiosum (usually pink, benign)

44

What are the CNS viruses?

polio, rabies, JC, arboviral encephalitis, West Nile, Rift Valley

45

poliovirus:

picorna, poliomyelitis, mostly from polio vaccine

46

rabies:

rhabdo, negri bodies

47

JC:

progressive multifocal leukoencephalopathy

48

Arboviral encephalitis:

toga, Eastern or Western Equine, St Louis, Venezuelan, or California, vector :mosquito

49

West Nile:

flavi, fever, headache, rash (20-50%) neck stiffness, vector: mosquito

50

Rift Valley:

bunyaviridae, bleeding, encephalitis, vector: mosquito