Virology

Question 1

All viruses are haploid except

Answer 1

Retroviruses

Question 2

All enveloped viruses acquire their envelope from plasma nembrane except

Answer 2

Herpes virus( nuclear membrane)

Question 3

Gold standard in ciral diagnosis

Answer 3

Presence of viral DNA or RNA

Question 4

Only live attenuated vaccine that may be given to HIV positive patients

Answer 4

MMR

Question 5

All DNA viruses have double stranded dna EXCEPT

Answer 5

Parvovirus

Question 6

All DNA viruses have linear DNA EXCEPT

Answer 6

Papilloma
Polyoma
Hepadna

Question 7

All DNA viruses are icosahedral EXCEPT

Answer 7

Poxvirus

Question 8

All DNA viruses replicate in the nucleus EXCEPT

Answer 8

Poxvirus

Question 9

Erythema infectiosum (fifth disease)- slapped cheek appearance with fever, coryza, and sore throat

Answer 9

Parvovirus B19

Question 10

Caused by parvovirus B19 characterized by sickle cell anemia, thalassemia or spherocytosis

Answer 10

Aplastic crisis

Question 11

Only virus w/ fiber (penton fiber)

Answer 11

Adenovirus

Question 12

Most common cause of viral conjunctivitis

Answer 12

Adenovirus

Question 13

Condyloma acuminata

Answer 13

Hpv 6 and 11

Question 14

Hpv genes that inactivate tumor suppressor genes

Answer 14

Genes E6 and E7

Question 15

Progressive multifocal leukoencephalopathy in pxs w/ AIDS

Answer 15

Jc polyoma virus

Question 16

Causes hemorrhagic cystitis and nephropathy in pxs w/ kidney and bonemarrow transplants

Answer 16

BK polyoma virus

Question 17

Site of latency of HSV1

Answer 17

Trigeminal ganglia

Question 18

Site of latency of HSV2

Answer 18

Lumbosacral ganglia

Question 19

Multinucleated giant cells on tzanck smear

Answer 19

Herpes simplex virus

Question 20

Dew drop on a rose petal appearance

Answer 20

Varicella

Question 21

Postherpetic neuralgia

Answer 21

Zoster

Question 22

Herpes zoster oticus; involvement of genicilate ganglion in VZV causing facial nerve paralysis

Answer 22

Ramsay hunt syndrome

Question 23

Cultured in shell tubes; negative heterophil test

Answer 23

CMV

Question 24

Giant cells with owl’s eye nuclear inclusions

Answer 24

CMV

Question 25

Most common cause of congenital abnormalities

Answer 25

Congenital CMV infection

Question 26

DOC for CMV

Answer 26

Gancyclovir

Question 27

Most common cause of blindness in HIV

Answer 27

CMV retinitis

Question 28

Downy cells; burkitt's lymphoma; nasopharyngeal carcinoma

Answer 28

EBV

Question 29

Kissing disease

Answer 29

Infectious mononucleosis (EBV)

Question 30

Kaposi's sarcoma

Answer 30

HHV8

Question 31

Guarnieri bodies

Answer 31

Small pox( variola)

Question 32

Henderson peterson bodies

Answer 32

Molluscum contagiosum

Question 33

Hepatitis that cause enteric infection

Answer 33

Hepatitis A and E

Question 34

Only DNA virus that produces DNA by reverse transcription with mRNA as the template

Answer 34

Hepatitis B virus

Question 35

All RNA viruses have ssDNA EXCEPT

Answer 35

Reovirus | Rotavirus

Question 36

All RNA viruses replicate in the cytoplasm EXCEPT

Answer 36

Influenza snd retrovirus

Question 37

Killed polio vaccine

Answer 37

salk Live-->sabin

Question 38

Most commoncause of viral myocarditis and pericarditis

Answer 38

Coxsackie virus

Question 39

Hand foot and mouth disease

Answer 39

Coxsackie virus

Question 40

Most common cause of aspetic mengitis

Answer 40

Coxsackie virus

Question 41

Enteric cytopathic human orphan

Answer 41

Echovirus

Question 42

Common colds

Answer 42

Rhinovirus

Question 43

Most important test in Hep A

Answer 43

Anti HAV IgM

Question 44

Self limited hepatitis

Answer 44

Hepatitis A

Question 45

Hepatitis w/ high mortality in pregnangt women

Answer 45

Hepatitis E

Question 46

Most common cause of nonbacterial diarrhea in adults

Answer 46

Norwalk virus

Question 47

Most common cause of childhood diarrhea

Answer 47

Rotavirus

Question 48

Causes worldwide epidemics( pandemics) of influenza

Answer 48

Influenza A

Question 49

Major outbreaks of influenza

Answer 49

Influenza B

Question 50

Infectious particles composed entirely of proteins that cause transmissible spongiform encephalopathies

Answer 50

Prions