Viral Hemorrhagic Fever Essentials

Froggy Jumps

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Test your VHF knowledge with 35 rapid-fire questions.

Créé par

Quader Ahmed Jalili

India

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Viral Hemorrhagic Fever Essentials


Froggy Jumps Viral Hemorrhagic Fever EssentialsVersion en ligne Test your VHF knowledge with 35 rapid-fire questions. par Quader Ahmed Jalili 1 What is a common feature of VHFs? a Immediate immunity after infection b Vascular damage leading to hemorrhage c High fever only at night 2 Which viruses are major VHFs in Africa? a Rhinovirus and Adenovirus b Ebola and Marburg viruses c Dengue and Zika 3 Main transmission route for Ebola in outbreaks? a Direct contact with bodily fluids b Insect bites c Airborne spread 4 True or False: Humans are the natural reservoir for VHFs. a Only for some VHFs b True c False 5 Which family do Kyasanur Forest Disease viruses belong to? a Flaviviridae b Bunyaviridae c Filoviridae 6 Principal vector for dengue in India? a Aedes aegypti b Culex mosquito c Anopheles mosquito 7 Which serotypes define dengue infection risk? a DEN-1 to DEN-3 only b DEN-2 to DEN-5 only c DEN-1 to DEN-4 (and DEN-5) 8 The vaccine CYD-TDV is used for which disease? a Dengue b Yellow fever c DHF only 9 ABCD of dengue antibody concern: ADE stands for? a Antibody-dependent enhancement b Antigenic decay effect c Antibody-driven clearance 10 Most fatal VHFs typically involve which organ systems? a Hemorrhagic and renal systems b Neuromuscular only c Only respiratory system 11 Which virus caused the 2014-2016 West African outbreak? a Ebola virus b Chikungunya virus c Dengue virus 12 Hantavirus transmission reservoir primarily? a Birds b Rodents c Bats 13 Which arenaviruses cause South American hemorrhagic fevers? a Hantaan, Dobrava b Junin, Machupo, Guanarito, Sabia c Lassa, LCM 14 Filoviridae genera causing VHFs? a Dengue and Zika b Ebolavirus and Marburg virus c Arenavirus and Bunyavirus 15 Key symptom group for arboviral infections? a Cough and wheeze b Jaundice only c Fever, rash, or arthralgia 16 Dengue NS1 antigen test is useful when? a Only after 2 weeks b Not useful diagnostically c From day 1 of fever 17 Which region has high dengue endemicity historically? a Temperate Europe only b Arctic regions c India and tropical regions 18 Which vector demonstrates transovarial transmission for dengue? a Anopheles mosquitoes b Culex mosquitoes c Aedes mosquitoes 19 Dengue treatment is primarily: a Antibiotics only b Supportive care c Broad-spectrum antivirals 20 Which disease is linked to the Makonde word indicating bent posture? a Chikungunya b Dengue c Kyasanur Forest disease 21 Chikungunya transmission is mainly via which vector? a Aedes aegypti b Anopheles gambiae c Culex tarsalis 22 Which disease has stages: DF, DHF, DSS per WHO 2009? a Kyasanur Forest disease b Dengue c Chikungunya 23 Dengue vaccine indications are for ages? a 2–12 years b 18–65 years c 9–45 years 24 Which VHFs are primarily arboviral in transmission? a Dengue, dengue-like viruses, chikungunya b Ebola and Marburg c Hantavirus only 25 Which virus family causes Kyasanur Forest Disease? a Bunyaviridae b Flaviviridae c Filoviridae 26 What is characteristic of Ebola mortality range? a 5–10% b 100% always c 25–90% depending on outbreak 27 Early laboratory indicator for dengue infection a PCR negative b NS1 antigen positivity c IgA elevation 28 Which arenavirus infections are Old World? a Hantavirus and Sin Nombre b Junin and Machupo c Lassa virus and LCM 29 Filovirus morphology is described as? a Icosahedral capsid b Long filamentous threads c Circle-shaped particles 30 Which disease is commonly reported in Karnataka, India? a Kyasanur Forest disease b Yellow fever c Ebola 31 Best initial approach to suspected Ebola prevention? a Infection control and PPE b Antibiotic prophylaxis c Mass vaccination 32 Dengue serotype evolution: which factor raises severity risk? a Geographic location only b Infecting serotype and sequence of infection c Age alone 33 Critical aspect of ADE in dengue relates to? a Vaccination prevents all infection b Non-neutralizing antibodies aiding second infection c T-cell exhaustion only 34 Which virus family includes Junin and Machupo? a Bunyaviridae b Arenaviridae c Flaviviridae 35 Hantavirus diagnosis is primarily by? a Culture in standard media b RT-PCR for viral RNA c Antibody titer alone 36 Which disease had a notable Reunion Island resurgence? a Chikungunya b Hantavirus c Dengue 37 Which vaccine vector is used in dengvaxia? a MVA vector b Live attenuated yellow fever 17D c Inactivated dengue 38 Who are amplifier hosts in Kyasanur Forest Disease? a Birds b Monkeys c Dogs 39 Which symptom is less common in chikungunya than dengue? a Fever b Arthralgia c Hemorrhagic manifestations 40 Which virus is non-arboviral VHFs? a Filoviruses are arboviral? false b Dengue virus c Ebolavirus 41 Which organ systems are primarily affected in VHFs? a Vascular and multiple organ systems b Only skin c Only CNS 42 Laboratory sign often seen in hantavirus infections? a Hyperglycemia only b Dermatitis only c Renal involvement or HFRS features

Viral Hemorrhagic Fever Essentials

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Viral Hemorrhagic Fever EssentialsVersion en ligne

par Quader Ahmed Jalili

What is a common feature of VHFs?

Which viruses are major VHFs in Africa?

Main transmission route for Ebola in outbreaks?

True or False: Humans are the natural reservoir for VHFs.

Which family do Kyasanur Forest Disease viruses belong to?

Principal vector for dengue in India?

Which serotypes define dengue infection risk?

The vaccine CYD-TDV is used for which disease?

ABCD of dengue antibody concern: ADE stands for?

Most fatal VHFs typically involve which organ systems?

Which virus caused the 2014-2016 West African outbreak?

Hantavirus transmission reservoir primarily?

Which arenaviruses cause South American hemorrhagic fevers?

Filoviridae genera causing VHFs?

Key symptom group for arboviral infections?

Dengue NS1 antigen test is useful when?

Which region has high dengue endemicity historically?

Which vector demonstrates transovarial transmission for dengue?

Dengue treatment is primarily:

Which disease is linked to the Makonde word indicating bent posture?

Chikungunya transmission is mainly via which vector?

Which disease has stages: DF, DHF, DSS per WHO 2009?

Dengue vaccine indications are for ages?

Which VHFs are primarily arboviral in transmission?

Which virus family causes Kyasanur Forest Disease?

What is characteristic of Ebola mortality range?

Early laboratory indicator for dengue infection

Which arenavirus infections are Old World?

Filovirus morphology is described as?

Which disease is commonly reported in Karnataka, India?

Best initial approach to suspected Ebola prevention?

Dengue serotype evolution: which factor raises severity risk?

Critical aspect of ADE in dengue relates to?

Which virus family includes Junin and Machupo?

Hantavirus diagnosis is primarily by?

Which disease had a notable Reunion Island resurgence?

Which vaccine vector is used in dengvaxia?

Who are amplifier hosts in Kyasanur Forest Disease?

Which symptom is less common in chikungunya than dengue?

Which virus is non-arboviral VHFs?

Which organ systems are primarily affected in VHFs?

Laboratory sign often seen in hantavirus infections?