P. vivax Flashcards

1
Q

What is the other name of P. vivax?

A

benign tertian malaria

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2
Q

P. vivax is _____?

A

most prevalent human malaria parasite

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3
Q

It is found in ___?

A

Asia, Latin America and some parts of Africa

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4
Q

P. vivax and P. ovale have____, which both of them are the _____?

A

dormant liver stages HYPNOZOITES

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5
Q

P. vivax RBC size was?

A

enlarge, distorted, 1.5 times size

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6
Q

What is the infected RBC of P. vivax?

A

young and immature RETICULOCYTES

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7
Q

The eosinophilic stippling of this plasmodium is____?

A

Schuffners’s dots expect early ring forms

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8
Q

The cytoplasm in P. vivax RBC is___?

A

irregular (blue)
ameboid trophozoite

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8
Q

The pigment of P. vivax is

A

Golden-brown, inconspicuous

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9
Q

Multiple infection

A

Not common

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10
Q

Who has named after the P. vivax _____? and who described them in 1904?

A

Wilhem Schuffer

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11
Q

The multiple brick-red dots _____?

A

ROMANOWSKY STAINED

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12
Q

Reasons why P. vivax infects reticulocytes im young RBC

A
  1. DARC-duffy antigen receptor chemokine
  2. PvRBPf-P.vivax reticulocytee-binding protein family
  3. TfRq-transferrin receptor 1
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13
Q

In the trophozoite, they have_____, ______, ______?

A

Ring trophozoite, Growing trophozoites, Large trophozoite

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14
Q

Signet-ring formed a ____?

A

heavy red dot and blue cytoplasmic

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15
Q

In growing trophozoites stage.

A

stippling starts

16
Q

Loose, irregular or close compact cytoplasm it belongs to what?

A

Large trophozoite

17
Q

P. vivax has 2 schizonts

A

YOUNG
MATURE

18
Q

Parasite almost fills enlarge cells

A

MATURE SCHIZONT

19
Q

Chromatin divided and cytoplasm varying of separation strands

A

YOUNG SCHIZONT

20
Q

Mature schizont has _____? and Pigment is _____?

A

12-24 merozoites

1-2 clumps

21
Q

Merozoites infective stage in ___?

A

RBC

22
Q

Sporozoites infective stage in ____?

A

man

23
Q

If large pink to purple chromatin mass and spherical in shape amd compact cytoplasm

A

MICROGAMETE

24
Q

If round to oval cytoplasm and smaller nucleus

A

MACROGAMETE

25
Q

In microgamete cytoplasm stains ___?

A

Blue

26
Q

In macrogamete the pigment throughout the cell ___?

A

light brown

27
Q

Prepatent period of P.vivax

A

11-15 days

28
Q

Incubation period of P. vivax

A

12-20 days

29
Q

Schizogony phase/ Erythrocytic cycle

A

48 hours

30
Q

The interval parasite patency and gametocyte appearance

A

3-5 days

31
Q

In every paroxysm or coldness feels______.

A

RBC burst