Sporozoa Plasmodium

Question 1

Can cause malaria

Answer 1

Plasmodium spp.

Question 2

What are the Plasmodium spp.?

Answer 2

P. falciparum
P. vivax
P. ovale
P. malariae

Question 3

Lab diagnosis of Plasmodium spp.

Answer 3

Peripheral blood:

• Giemsa stain
• Wright’s stain

Question 4

What P. spp can be mixed infections? (Most frequent)

Answer 4

P. vivax and P. falciparum

Question 5

When is the best time of blood collection for diagnosis of P. spp?

Answer 5

During episodes of Paroxysms

Question 6

at what hour does Paroxysms happen?

Answer 6

Every 6-12hrs up to 48hrs

Question 7

2 qualitative analysis for P. spp

Answer 7

Thick smear

Thin smear

Question 8

Dehomogenized smear to know if positive or negative for Plasmodium spp

Answer 8

Thick smear

Question 9

Smear for specification of exact specie of P. spp

Answer 9

Thin smear

Question 10

Usual start of the life cycle of Plasmodium spp. By taking?

Answer 10

Mosquitoes taling blood meal and inject the sporozoite

Question 11

Stage occuring in liver

Answer 11

Exoerythrocytic stage

Question 12

What the sporozoite does in exoerythrotic stage

Answer 12

Penetrates liver cells,
becomes a Schizont,
Rupture of liver cells w/ the schizont and RELEASE merozoites

Question 13

Upon the release of Merozoites, what can happen to the infected human?

Answer 13

Chills and fever

Question 14

Merozoites can also cause episodes of?

Answer 14

Paroxysms

Question 15

Stage after exoerythrocytic stage

Answer 15

Erythrocytic stage

Question 16

What happens in erythrocytic stage

Answer 16

Schizonts release sporozoite to infect other RBC

Question 17

4 morphologic form of p

Plasmodium spp. In humans:

Answer 17

Ring form (immature troph)
Trophozoite
Schizont
Gametocyte

Question 18

Serologic tests for Plasmodium spp.

Answer 18

Malarial Rapid Diagnostic Test

Immunochromatographic method

Question 19

Antigens used in serologic test

Answer 19

Histidine Rich Protein II (HRP II)

Plasmodium Lactate Dehydrogenase (PLDH)

Question 20

Antigen for P. falciparum

Answer 20

Histidine Rich Protein II

Question 21

Benign tertian malaria

Answer 21

Plasmodium vivax

Question 22

Plasmodium vivax appearance of mature

Answer 22

Ameboid

Question 23

Plasmodium vivax

Answer 23

Any morphologic form can be seen

Question 24

Plasmodium ovale

Answer 24

All morphologic form can be seen

Question 25

Ring form of P. ovale

Answer 25

Larger than vivax

Question 26

Trophozoite of ovale

Answer 26

No notable ameboid appearance

Question 27

Schizont of ovale

Answer 27

Rosette formation

-the choice to identify ovale from vivax

Question 28

Gametocyte of ovale

Answer 28

Smaller than vivax

Question 29

Quadnucleated

Answer 29

Plasmodium malaria

Question 30

Ring form of P. malaria

Answer 30

Smaller than viva
Rarelly visible in routine
Usually cultured

Question 31

Trophozoite of P. malaria

Answer 31

Cytoplasm is solid
Darker than vivax and ovale
In matured: no spaces in cytoplasm

Question 32

Schizonts of P. malaria

Answer 32

Irregular rosette arragement

Basket appearance

Question 33

Ring form of P. falciparum

Answer 33

Chromatin dot and cytoplasmic ring are smaller than vivax
-usually cannot be found
HEADPHONE CONFIGURATION

Question 34

Developing troph of falciparum

Answer 34

Heavy rings

Question 35

Schizont of falciparum

Answer 35

Mas kalat, RBCs cannot be seen

Question 36

Gametocyte of falciparum

Answer 36

Sausage shape or cresent or banana shape

Question 37

Plasmodium knowlesi

Answer 37

Commonly found in monkeys

Question 38

Maurer’s dot

Answer 38

Plasmodium falciparum

Question 39

Schuffner’s dot

Answer 39

Plasmodium vivax

Question 40

James dot

Answer 40

Plasmodium ovale

Question 41

Ziemann’s dot

Answer 41

Plasmodium