Species comparison of Plasmodium spp Flashcards Preview

Microbiology > Species comparison of Plasmodium spp > Flashcards

Flashcards in Species comparison of Plasmodium spp Deck (25)
Loading flashcards...
1

asexual cycle of plasmodiu spp

P. falciparum, P. vivax, P. ovale - 48 hours
P. malariae - 72 hours

2

periodicity of fever of plasmodium spp

48 hours - falciparum, vivax, ovale (tertian fever)
every 72 hours - malariae (quartan fever)

falciparum - only malignant tertian

3

RBC preference of P. falciparum

all ages

4

RBC preference of P. vivax

young RBCs

5

RBC preference of P. malariae

old RBCs

6

RBC preference of P. ovale

young RBCs

7

lowest parasitemia

P. malariae

8

highest parasitism

P. falciparum

9

low parasitism

P. vivax and P. ovale

10

banana shaped gametocytes

P. falciparum

11

large round gametocytes

P. vivax

12

compact gametocytes

P. malariae

13

small round gametocytes

P. ovale

14

can present as cerebral malaria

P. falciparum

15

tendency to recrudescence

P. falciparum
P. malariae

16

tendency to relapse

P. ovale, P. vivax

17

which spp ahs many drug resistance

P. falciparum

18

recurrence of symptoms after a temporary abatement (2-4 weeks )

Recrudescence

19

return of disease after its apparent cessation (1-6 months )

Relapse

20

0 merozoites

P. falciparum

21

12-24 merozoites

P. vivax

22

6-12 merozoites

P. malariae

23

8 merozoites

P. ovale

24

role of thick smears with Giemsa stain

screen for presence of organisms

25

role of thin smears for giemsa stain

species identification