RNA VIRUS

Question 1

All are enveloped except

Answer 1

PCR
Picornavirus
Calicivirus
Reovirus

Question 2

All are helical except

Answer 2

Picornavirus
Reovirus
Retrovirus
Flaviviridae
Togaviridae

Question 3

All are SINGLE except

Answer 3

Reovirus

Question 4

Largest RNA virus

Answer 4

Paramyxovirus

Question 5

Smallest RNA virus

Answer 5

Picorna virus

Question 6

All replicate in CYTOPLASM except

Answer 6

Orthomyxovirus
Retrovirus

Question 7

Athropod borne RNA virus

Answer 7

Bunyaviridae
Togaviridae
Flaviviridae

Question 8

Characteristics of Arenavirus

Answer 8

Sand shaped

Question 9

Arena virus MOT

Answer 9

Inhalation of infected rodent or Direct contact

Question 10

New world Arenavirus clinical significance

Answer 10

Matamis Taho Gawa Jan

Machupo
Tacaribe
Guanito
Junin

Question 11

Old world arenavirus causative agent

Answer 11

Mus musculus
Mastomys nataliensis

Question 12

Old world arenavirus clinical significance

Answer 12

Acute lymphocytic choriomeningitis - rare case of ASCEPTIC meningitis
Lassa Virus - Hermorraghic fever _ influenza

Question 13

RNA virus with star shaped appearance

Answer 13

Astrovirus

Question 14

Clinical significance of Astrovirus

Answer 14

2-9% Pediatric gastroenteritis

Question 15

Bunyavirus vectors

Answer 15

Ticks, sandfly, mosqitoes

Question 16

Rift Valley fever virus is associated with

Answer 16

Phlebovirus

Question 17

Organ affected in Phlebovirus

Answer 17

Brain and liver

Question 18

Clinical significance of Orthomyxoviruses

Answer 18

La Crosse and California encephalitis

Question 19

Organ affected in Orthomyxoviruses

Answer 19

Brain

Question 20

Nairovirus is associated with

Answer 20

Crimean Congo Hemorrhagic fever

Question 21

Organ affected in Nairovirus

Answer 21

Vascular Endothelium and Liver

Question 22

Symptoms of Bunyavirus is associated with

Answer 22

Hemorrhagic fever with renal syndrome

Question 23

Formerly under Hepevirus

Answer 23

Calicivirus

Question 24

Calicivirus shape

Answer 24

30-38 nm

Question 25

Calicivirus characteristics

Answer 25

Nonevenloped, causes gastroenteritis

Question 26

Norovirus, Norwalk virus causes

Answer 26

80% nonbacterial acute gastroenteritis

Question 27

Norovirus is acquired from

Answer 27

Contaminated shell fish, and water

Question 28

Calicivirus that is cup-shaped that can also cause gastroenteritis

Answer 28

Sapovirus

Question 29

Characteristics of Coronavirus

Answer 29

Pleomorphic Roughly spherical Difficult to culture since fragile With halo/crown

Question 30

SARS-COV 1 is acquired from

Answer 30

Civet cat in Guangdong, China

Question 31

MERS-COV 2 is acquired from

Answer 31

Camel in Middle East

Question 32

SARS-COV 2

Answer 32

Acquired from pingolin in Wuhan, China

Question 33

Direct detection of SARS-COV

Answer 33

RT-PCR, microscopic

Question 34

Indirect Test for SARS-COV 2

Answer 34

Antigen Test (serologic)

Question 35

Alpha B117 originated in

Answer 35

United Kingdom

Question 36

Beta 1351

Answer 36

South Africa

Question 37

Gamma P1

Answer 37

Brazil

Question 38

Delta B16172

Answer 38

India

Question 39

Filovirus is characterized with

Answer 39

Threadlike morphology

Question 40

Filovirus clinical significance

Answer 40

Most pathogenic Hemorrhagic fever

Question 41

Margburg Hemorrhagic fever fatality rate

Answer 41

25% fatality rate

Question 42

Margburg is acquired from

Answer 42

Green monkey in Africa

Question 43

Ebola virus fatality rate

Answer 43

80% fatality rate

Question 44

Ebola virus is acquired from

Answer 44

Infected wild animals Humans

Question 45

Flavus means

Answer 45

Yellow

Question 46

1st discovered flaviviridae

Answer 46

Yellow fever

Question 47

3 phases of transmission of flaviviridae

Answer 47

SUI Sylvati Urban Intermediate

Question 48

Most common arbovirus

Answer 48

Dengue

Question 49

Vectors of dengue

Answer 49

Aedes aegypti Aedes albopictus Aedes polyniensis