DNA Viruses

Question 1

all viruses are ___ except for 7 which are ___

Answer 1

all viruses are RNA

except 7 which are DNA

Question 2

what are the 7 that are DNA viruses

Answer 2

3 are enveloped - hepa, herpes, pox

3 are naked - papilloma, adeno, papova
(need to get naked to get PAP smear)

1 is single stranded - parvo

Question 3

all DNA viruses are __ stranded

1 exception?

Answer 3

DNA viruses =double stranded

except parvovirus which is single stranded

Question 4

all DNA viruses are __ in shape

1 exception?

Answer 4

DNA viruses = icosahedral

except “pox” viruses which are complex BRICK shaped

Question 5

what virus causes cold sores or fever blisters?

what virus causes painful genital ulcers?

Answer 5

herpes simplex virus 1

herpes simplex virus 2

Question 6

how are herpes simplex viruses 1 and 2 spread?

Answer 6

direct contact

Question 7

chicken pox is also known as

Answer 7

herpes zoster
or
varicella zoster virus

Question 8

herpes zoster and chicken pox are also known as what HHV type

Answer 8

herpes virus type 3

Question 9

how is chicken pox or herpes zoster spread?

Answer 9

aerosol droplets

Question 10

what is the adult form of chicken pox

Answer 10

shingles

Question 11

what is human herpes virus type 4?

HHV4

Answer 11

mononucleosis
or
Epstein barr virus

Question 12

how is mononucleosis spread

Answer 12

kissing

Question 13

what are symptoms of mononucleosis?

Answer 13

sore throat
fatigue
cervical lymphadenopathy
hepatosplenomegaly

Question 14

what cells are present in mononucleosis

Answer 14

Downey cells which are atypical lymphocytes

IgM heterophile antibodies

Question 15

what test is positive in mononucleosis

Answer 15

Paul Bunnel test

Question 16

what 2 diseases can mononucleosis lead to or cause

Answer 16

burkitts lymphoma
or
nasopharyngeal carcinoma

Question 17

what is human herpes virus 5

HHV5

Answer 17

cytomegalovirus

Question 18

what does cytomegalovirus cause in immunocompromized patient? neonates?

Answer 18

interstitial pneumonia in immunocompromized patients

congenital abnormalities, brain calcification, and hepatosplenomegaly in neonates

Question 19

what disease is caused by human herpes virus 6/7?

HHV6 also called 7 sometimes

Answer 19

Exanthema subitum 
or 
Roseola Infantium 
or 
6th Disease

Question 20

what is known as 6th disease

Answer 20

Exanthema subitum
or
Roseola Infantium

Question 21

what does exanthema subitum cause

Answer 21

sudden rash after a fever in children
(roseola infantium - kids rash)
febrile seizures in children

Question 22

what disease is caused by herpes virus 8

Answer 22

kaposi sarcoma

Question 23

what symptoms does herpes virus 8 or kaposi sarcoma cause

Answer 23

purplish oral or skin lesions in AIDS patients

Question 24

what is also known as 5th disease

Answer 24

slapped cheek syndrome
or
erythema infectiosum

Question 25

what virus causes slapped cheek syndrome

Answer 25

parvovrius type b19

Question 26

what does parvovirus type b19 cause

Answer 26

``` slapped cheeked syndrome or erythema infectiosum or 5th disease ```

Question 27

erythema infectiosum or 5th disease causes what symptoms

Answer 27

red rash on face after fever | slapped cheek syndrome

Question 28

how is hepatitis B spread

Answer 28

blood or sex

Question 29

what virus causes hepatitis B

Answer 29

hepatitis B DNA virus

Question 30

what are the symptoms of hepatitis B

Answer 30

jaundice and tender hepatomegaly

Question 31

what virus causes viral conjunctivitis

Answer 31

adenovirus

Question 32

what virus causes pink eye

Answer 32

adenovirus

Question 33

how is adenovirus spread to develop pink eye or viral conjunctivitis

Answer 33

aerosol droplets

Question 34

what is pink eye also known as

Answer 34

epidemic viral conjunctivitis

Question 35

what virus causes smallpox

Answer 35

pox virus - variola virus specifically

Question 36

how is pox virus spread to develop small pox

Answer 36

aerosol droplets

Question 37

what are present in the epidermis of small pox patients

Answer 37

guarneri inclusion bodies

Question 38

when was small pox irradicated

Answer 38

1976

Question 39

what virus causes human papilloma virus

Answer 39

papova virus

Question 40

what is HPV spread

Answer 40

direct contact or sex

Question 41

which types of HPV are associated with genital warts and cervical cancer

Answer 41

HPV 16 and 18

Question 42

which types of HPV are associated with warts on hands and feet

Answer 42

HPV 1 and 4

Question 43

what virus causes molluscum contagiosum

Answer 43

pox virus

Question 44

how does pox virus spread to cause molluscum contagiosum

Answer 44

direct contact

Question 45

what symptoms does molluscum contagiosum cause

Answer 45

papular lesions with central indentation or umbilication wartlike papular lesions on face, arms, back, buttocks, and genitals and resolves spontaneously after couple months STD with papular lesions that ulcerate and mimic herpes

Question 46

what DNA virus causes pharyngitis

Answer 46

adenovirus

Question 47

what DNA virus causes meningitis in AIDS patients

Answer 47

CMV

Question 48

what DNA virus causes JC and BK viruses which cause demyelination and UTI/kidney problems

Answer 48

polyomavirus

Question 49

papovaviruses are divided into what two groups

Answer 49

papillomavirus | polyomavirus

Question 50

what does JC virus cause

Answer 50

progressive multifocal leukoencephalopathy

Question 51

what does BK virus cause

Answer 51

UTI and kidney problems

Question 52

what is the only hepatitis that is DNA in origin

Answer 52

HepB

Question 53

which DNA viruses latently infects neurons

Answer 53

herpesvirus

Question 54

what vaccine is given to prevent HPV

Answer 54

gardasil

Question 55

what is the acute form of varicella zoster | what is the latent form

Answer 55

chickenpox - acute | shingles - latent

Question 56

what strain of varicella zoster is used in vaccines to prevent chickenpox and diminish shingles recurrence

Answer 56

Oka strain

Question 57

what DNA virus is associated with owls eye intranuclear inclusion bodies

Answer 57

cytomegalovirus | appearance due to swelling of infected cells

Question 58

what causes a heterophile negative mononucleosis | what causes a heterophile positive mononucleosis

Answer 58

CMV | EBV

Question 59

EBV infects what cells

Answer 59

B lymphocytes causes proliferation and transformation

Question 60

how do we diagnose EBV

Answer 60

mononucleosis spot test

Question 61

how is kaposi sarcoma transmitted

Answer 61

sexual contact

Question 62

HHV 6/7 infects what cells

Answer 62

T lymphocytes

Question 63

guarnieri bodies are found in what viruses whats another name for these bodies

Answer 63

pox virus (small pox specifically) eosinophilic inclusion bodies

Question 64

what are the different pox viruses

Answer 64

variola virus - causes small pox vaccinia virus - cause mild disease - used in small pox vaccine molluscum contagiosum virus

Question 65

what virus causes 5th disease

Answer 65

paravovirus b19

Question 66

what virus causes erythema infectiosum

Answer 66

paravovirus b19