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Flashcards in Virology Deck (163)
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1

What is viral recombination?

exchange of genes between two chromosomes that have significant base pair homology

2

What is viral reassortment?

when viruses with segmented genomes exchange segments

3

What is viral complementation?

when two viruses co-infect a cell and one virus contributes a functional protein to the other

4

What are the eight live attenuated viruses?

Measles/Mumps/Rubella

Sabin

Smallpox

Yellow fever

varicella

intranasal flu

5

What are the four killed viruses?

Rabies

Influenza

Polio

hAv

6

What three nonlinear DNA viruses?

papilloma

polyoma

hepadna

7

What are the two polyoma viruses?

JC and BK

8

What is the only dsRNA virus?

Reoviridae

9

What are the positive stranded RNA viruses?

Retro

Toga

Flavi

Corona

Hepevirus

calcivirus

Picornavirus

10

What are the two types of nucleic acid that are infective?

dsDNA and (+) ssRNA

11

The dsDNA of which two viruses is not infective?

HBV and poxvirus

12

Where do DNA viruses replicate? Except?

nucleus

Pox

13

Where do all RNA viruses replicate? Two exceptions?

cytoplasm

retro and influenza

14

What are the eight non-enveloped viruses?

Papilloma

Adeno

parvo

Polymo

Calvi

Picorna

Reo

Hepeviridae

15

Which virus gains its envelope from the nuclear membrane?

Herpes viruses

16

Which are the DNA containing non-enveloped?

Papillo

Adeno

Parvo

polymo

17

Which are the RNA containing non-enveloped?

calvi

picorna

reo

18

Which are the seven DNA viruses?

Hepadna

Herpes

Adeno

Parvo

Pox

papilloma

polymo

19

Which DNA virus contains its own DNA dependent RNA polymerase?

Pox

20

Which virus is HHV5?

CMV

21

Which virus is HHV6?

roseola

22

What are two common presenting symptoms of HHV6?

fever for 3-5 days followed by truncal rash

23

Which virus is one of the most common causes of febrile seizure in kids?

Roseola

24

Is HBV circular or linear?

circular

25

Which DNA virus has reverse transcriptase?

HBV

26

Which virus causes pink eye?

Adeno

27

What is the most common presenting symptom of parvovirus in adults?

arthritis

28

Where does the rubella rash start? Where do it go?

head

down

29

What virus can cause lymphadenopathy in the mother?

Rubella

30

What two locations can Rubella cause lymphadenopathy?

occipital and posterior auricular