Classification of Sporozoans (Plasmodium)

Question 1

Name 3 countries that have COMPLETELY eradicated malaria?

Answer 1

Any of the following:
HUNGARY
BULGARIA
ROMANIA,
YUGOSLAVIA
SPAIN
POLAND
ITALY,
NETHERLANDS
PORTUGAL

Question 2

Where is malaria typically found? Altitude?

Answer 2

tropical and subtropical areas below an altitude of 1,500m

Question 3

What are the 4 distinct Plasmodium species that infect humans?

Answer 3

Falciparum, vivax, malariae, ovale

Question 4

WHO demonstrated the
existence of Plasmodium in the stomach of Anopheles mosquito (1898)

Answer 4

Ronald Ross

Question 5

WHO showed that human malaria
could only be transmitted by Anopheles mosquitoes?

Answer 5

Giovanni Grassi

Question 6

Vector of Malaria?

Answer 6

Female anopheles mosquito

Question 7

How many species of Anopheles mos. exist?

Answer 7

422

Question 8

How many vectors of Plasmodium are there? How many are important?

Answer 8

70; 40

Question 9

TRUE or FLASE: Malaria can be spread through casual
contact or sexual contact between people
infected with the disease

Answer 9

FALSE: Malaria CANNOT be spread through casual
contact or sexual contact between people
infected with the disease.

Question 10

How many eggs does a F mos. lay? Interval?

Answer 10

30-150 eggs; 2 to 3 days

Question 11

At what time does the Anopheles mos. enter the house?

Answer 11

Night: 5.30 - 9.00 PM
Morning: Early morning

Question 12

Average lifespan of Fem. mosquito?

Answer 12

2-3 weeks

Question 13

WHAT is the principal vector of malaria in the Philippines?

Answer 13

An. minimus

Question 14

Which sp. of Plasmodium exhibit hypnozoite stage and can cause true relapses?

Answer 14

P. ovale and P. vivax

Question 15

This sp. of Plasmodium is predominant species in Africa; most severe form of Malaria and invades any/ALL RBC?

Answer 15

P. falciparum

Question 16

This Plas. sp. exhibits Maurer’s cleft?

Answer 16

P. falciparum

Question 17

Plas. sp. that does NOT distort the RBC?

Answer 17

P. falciparum

Question 18

Plas. sp. in which its ring form tends to be slightly
smaller than the other species and are generally more numerous.

Answer 18

P. falciparum

Question 19

Shape of gametocyte of P. falciparum?

Answer 19

Crescent (FEM) or sausage shaped (MALE)

Question 20

MALE OR FEMALE | gametocyte in which it is:
- Sausage-shaped
- Large compact nucleus at the center of
the cell
- Blue staining cytoplasm
- Malaria pigment diffused distribution
around the nucleus
- Bigger than the red cell, sometimes the
red cell may rupture

Answer 20

MALE

Question 21

MALE or FEMALE | gametocyte in which it is:
Crescent-shaped
One loose nucleus

Answer 21

FEMALE

Question 22

This plas. sp. morphology is oval in form; has Schuffner dots; has the tendency to form elongated host erythrocytes; and is more compact than p. vivax?

Answer 22

P. ovale

Question 23

Which sp. of Plas. manifests Schuffner dots?

Answer 23

PV and PO

Question 24

The process where a gamont produces
many gametes

Answer 24

Gamogony

Question 25

The process where a single zygote
produces many spores or sporozoites

Answer 25

Sporogony

Question 26

The process where one schizont produces
a large number of merozoites

Answer 26

Merogony

Question 27

A trophozoite infecting a host cell.

Answer 27

Schizont

Question 28

Small cells which infect other host cells

Answer 28

Merozoite

Question 29

Malaria symptoms usually start within how many days/weeks?

Answer 29

10 days to 4 weeks

Question 30

This refers to the episodes of fever and chills
that occur in people infected with malaria, which can
recur in cycles.

Answer 30

Paroxysms