s2 Flashcards

1
Q

Somatic antigen present in?

A

Oa, ob, oc - paratyphoid fever
Od- Typhoid

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2
Q

Flagella antigen or H antigen present in?

A

Past / previous
Hm hb, hc paratyphoid
Hd-thyphoid

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3
Q

Salmonella antibody starts appearing in serum at the end of first week and rise sharply during the: week of endemic fever.

A

3rd week

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4
Q

In acute typhoid fever, what agglutins can usually be detected 6-8 days.

A

O agglutinins

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5
Q

How many days can o agglutinins be detected? The

A

6-8 days

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6
Q

How many days it agglutinins can be detected?

A

After 10-12 days

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7
Q

Typhoid or paratyphoid? Signs I symptoms are comparatively severe and debilitating.

A

Thyphoid

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8
Q

Typhoid or paratyphoid: A vaccine to 1 is available to protect against typhoid.

A

Typhoid

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9
Q

Signs and symptoms are not as severe and debilitating.

A

Paratyphoid fever

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10
Q

Typhoid or para typhoid! There is no mode of immunological prevention

A

Paratyphoid

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11
Q

Is a positive test result and if the positive reaction is observed with how many volume?

A

20 ul

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12
Q

Recommended obtaining quick approximate titres for antigen positive in slide screening test.

A

Side method

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13
Q

Recommended obtaining quick approximate titres for antigen positive in slide screening test.

A

Side method

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14
Q

Recommended obtaining quick approximate titres for antigen positive in slide screening test.

A

Side method

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15
Q

Indicates acute/ recent typhoid fever

A

Inc titer on OD Ag

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16
Q

Indicates acute/ recent paratyphoid infection

A

Inc titer on OA , OB and OC

17
Q

Indicates previous/past infection typhoid with fever

A

Inc titer on HD Ag

18
Q

Convalescent/ vaccination against typhoid fever

A

Inc liter on hd Ag

19
Q

Indicates past infection of S. Paratyphi

A

Inc fifer on HA,HC , HB

20
Q

Indicates missed infection

A

Inc liter on O and H Ag

21
Q

Allows the diagnosis of rickettsiosis

A

Weil -felix Test

22
Q

Several rickettsial such as Riscketssia prowazekki, Rickettsia moose to and R. Ricketssii ,posses antigens that cross react with antigens of OX strains of Proteus Vulgaris

A

Weil Felix Test

23
Q

Antigens used for proteus vulgaris

A

Proteus 0X-2
Proteus ox-19

24
Q

Antigens used for Proteus Mirabilis

A

Proteus ox-k