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Parasitology > Malaria/Plasmodium > Flashcards

Malaria/Plasmodium Flashcards

0
Q

The sexual method of reproduction occurs in the definitive host (mosquito)

A

Sporogony

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1
Q

Formed in Man

A

Schizont

Gametes

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2
Q

Infective Stage in mosquito

A

Sporozoites

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3
Q

Exo-erythrocytic cycle happen in which organ?

A

Liver

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4
Q

A mature germ cell that is capable of functioning fertilization or conjugation and contains the haploid number of chromosomes of the somatic cell

A

Gamete

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6
Q

When is the ideal time to collect blood sample

A

Height of paroxysm

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7
Q

In which stage can you notice a ring form

A

Erythrocytic stage (young/immature trophozoite)

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8
Q

Macrogametocytes are for ______________ while microgametocytes are for _______________.

A

Macrogametocytes -> female

Microgametocytes -> male

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9
Q

The schizont that doesn’t rupture will become?

A

Gametes

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10
Q

The asexual method of reproduction occurs in intermediate host(man)

A

Schizogony

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10
Q

What does the mosquito ingest from the man?

A

Gametes

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11
Q

The schizont proliferates in the RBC, rupture and became?

A

Merozoites

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12
Q

It affects all ages of RBC

A

P.falciparum

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13
Q

The periodicity of its paroxysm happens every 72hrs (quartan)

A

P.malariae

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15
Q

The sporozoan body during schizogony which includes the period of initial growth to the complete splitting up of the nucleus with merozoite production

A

Schizont

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15
Q

Give the Tertian malaria’s

A

P.falciparum
P.vivax
P.ovale

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16
Q

It shows an enlarged and pale reticulocytes

A

P.vivax

P.ovale (w/ragged edges)

17
Q

The RBC’s appears to be normal in this Plasmodium

A

P.falciparum (smaller and numerous rings)

P.malariae

18
Q

It has a 6-32 merozoites

A

P.falciparum

19
Q

Give the number of merozoite in P.malariae

A

6-12 (rosette-shaped)

20
Q

It only affects adult RBC

A

P.malariae

21
Q

What can be seen in the trophozoite of a P.malariae?

A

Equatorial band-form

22
Q

Apique/accole shape trophozoites

A

P.falciparum

23
Q

Its trophozoite and schizont stage are not seen in peripheral blood smear

A

P.falciparum

24
Q

It has a rounded gametocyte

A

P.vivas
P.ovale (fimbriated)
P.malariae

25
Q

Give the shape of the P.falciparum gametocytes

A

Elongated; sausage-shaped; crescent-shaped

26
Q

1) Schuffeners dots stippling :_________________

2) Maurer’s dots stippling:__________________

A

1) P.vivax
2) P.falciparum

P.ovale -> James dots
P.malariae -> Ziemann’s dots

27
Q

Benign malaria’s are _________

A

P.vivax

P.ovale

28
Q

Quartan malaria __________

A

P.malariae

29
Q

It causes blackwater fever

A

P.falciparum. Extensive Destruction of RBC.

30
Q

Why is there an acute renal failure in P.falciparum?

A

Increase destruction of RBC

31
Q

It has 70% frequency

A

P.falciparum

32
Q

When is the height of paroxysm occurs?

A

When the cell ruptures and release merozoites

33
Q

Can become active again/recrudesce.

A

P.falciparum

P.malariae

34
Q

True relapse happen in?

A

P.vivax

P.ovale

35
Q

Best staining result is achieved when using?

A

Giema’s stain

36
Q

Preferred for rapid diagnosis (quantitative)

A

Thick smear

37
Q

Preferred for specie identification (qualitative)

A

Thin smear

38
Q

First line of treatment for Malaria

A

Chloroquine

39
Q

Treatment for those who have drug resistance to chloroquine

A

Mefloquine

40
Q

Taken with atovaquone for the resistant strains for P.falciparum and P.vivax. Its action is ___________?

A

Proguanil; inhibiting enzyme dihydrofolate reductase

41
Q

Treatment for persistent liver infection

A

Primaquine

Parasitology (8 decks)

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