PREFINAL LABORATORY L2: DENGUE DUO TEST Flashcards

1
Q

vector of dengue virus

A

Aedes aegypti
Aedes albopictus

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2
Q

known distinct dengue serotypes

A

dengue virus 1, 2, 3, 4

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3
Q

how is dengue infection described in children

A

subclinical
causes a self-limited febrile disease

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4
Q

how is dengue infection in patient that is infected second time with different serotype described

A

more severe
dengue hemorrhagic shock or dengue shock syndrome may occur

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5
Q

dengue is considered to be the most important arthropod-borne viral disease due to what factors

A

due to human morbidity and mortality it causes

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6
Q

a highly conserved glycoprotein present at high concentrations in the sera of dengue infected px

A

NS1

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7
Q

NS1 is present in px sera in what phase of the disease

A

early clinical phase

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8
Q

NS1 antigen is found how many days after the onset of fever in sample of primary or secondary dengue px

A

first day up to 9 days

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9
Q

IgM does not become detectable until how many days after the onset of illness in cases of primary dengue

A

5-10 days

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10
Q

IgM does not become detectable until how many days after the onset of illness in cases of secondary dengue

A

4-5 days

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11
Q

in primary infection, IgG appear on what day

A

14th day

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12
Q

T or F:
IgG persists for life in primary infection

A

T

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13
Q

in secondary infection, when does IgG rise

A

1~2 days after onset of symptoms

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14
Q

in secondary infection, IgG induce IgM after how many days of infection

A

20 days

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15
Q
A
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