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PH 152 > Emerging and Re-emerging Infectious Diseases > Flashcards

Emerging and Re-emerging Infectious Diseases Flashcards

1
Q 
Which does not have an increasing trend?
A. typhoid
B. poliomyelitis
C. cholera
D. AIDS
A

B

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2
Q

How did humans get infected with Lassa fever?

A

through animals who got displaced due to food search, right after deforestation or climate change

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3
Q

cause of Hantavirus pulmonary syndrome + identify if emerging/re-emerging

A

Sin Nombre Hantavirus

Emerging

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4
Q

usual reservoir host of Hantavirus

A

rodent

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5
Q

epidemic kidney disease c/o Puumala strain of Hantavirus

A

Nephropathia epidemica

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6
Q 
Which is not a zoonosis?
A.Hantavirus pulmonary syndrome
B.Ebola virus
C.Borrelia burgdorferi
D.Rubella virus
A

D

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7
Q

origin of SARS Coronavirus

A

Hong Kong

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8
Q

possible deliberate release of infectious agents by dissident individuals or terrorist groups

A

Bioterrorism

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9
Q

mechanism for combating int’l disease outbreaks, c/o WHO. ensure rapid deployment of technical assistance, contribute to long-term epidemic preparedness and capacity building

A

Global Outbreak Alert and Response Network

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10
Q

Family of Ebola virus

A

Filoviridae

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11
Q

True or False: Ebola virus has a chronic carrier state.

A

False. All its infections are acute.

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12
Q

Ebola virus was first discovered in the __

A

Democratic Republic of Congo

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13
Q

Which Ebola virus subspecies came from monkeys in the Philippines?

A

Reston virus

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14
Q

likely reservoir host of Ebola

A

bats

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15
Q

Which is not a mode of transmission for Ebola?
A.direct contact with blood of infected individual
B.close contact
C.nosocomial transmission
D.orofecal

A

D

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16
Q

Which is false?
A. Clinical diagnosis is difficult in newly infected persons due to non-specificity of organisms.
B. There is a drug against Ebola virus that is being sold in the market.
C. Most, if not all, Ebola cases are in Africa.

A

B

drug still on trial

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17
Q

Enumerate three barrier nurse techniques for Ebola prevention

A

PPE wearing
infection control measure use
isolation of Ebola HF patients from contact with unprotected persons

18
Q 
Which is the least accurate method of diagnosis for Ebola?
A. PCR
B. Virus isolation
C. ClInical
D. IgM ELISA
A

C

19
Q

What does MERS-CoV stand for?

A

Middle East Respiratory Syndrome coronavirus

20
Q

genus of MERS-CoV

A

Betacoronavirus

21
Q

former name of MERS-CoV

A

Novel coronavirus

22
Q

MERS-CoV has strong tropism for what cells?

A

nonciliated bronchial epithelial cells

23
Q

enumerate natural animal reservoir host of MERS-CoV

A

Egyptian tomb bat

Camels

24
Q

MERS-CoV main mode of transmission

A

inhalational

25
Q

genome of Ebola virus

A

negative single stranded RNA

26
Q

How many structural proteins does Ebola virus have?

A

7

27
Q

Enumerate immune system mediators of Ebola virus

A

antibody
FcR
C1q
lectin

28
Q

causative agent of Hemorrhagic Fever with Renal Syndrome

A

Hantaan virus

29
Q

Hantaan and Sin Nombre virus are types of __

A

Hantavirus

30
Q

Which has higher mortality, Hantaan virus or Sin Nombre virus?

A

Sin Nombre

31
Q

family of Hantavirus

A

Bunyaviridae

32
Q 
Which is not a property of Hantavirus?
A.arthropod-borne
B.enveloped virus
C.helical ssRNA that is segmented
D.viral envelope derived from plasma membrane
A

A

rodent-borne dapat

33
Q

these molecules in Hantavirus may cause pulmonaary edema in the lungs

A

Beta 3 integrins

34
Q

enumerate the genes encoded by Hantavirus

A

nucleocapsid
glycoproteins G1 and G2
RNA Dep RNA polymerase
Coiled Domain of Sin Nombre Virus

35
Q

most common mode of transmission for Hantavirus

A

inhalation of aerosolized urine, feces and saliva

36
Q

false about Hantavirus
A.zoonotic
B.stable even when exposed to UV light
C.more common in the rainy days

A

B

labile at UV light

37
Q

Lyme disease vector

A

Black legged ticks

38
Q

Prion diseases cause ___

A

spongiform encelopathy

39
Q

Ebola and Marburg viruses belong to __ family

A

Filovirus

40
Q

Lassa virus belongs to __ family

A

Arenavirus

PH 152 (47 decks)

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