Plasmodium

Question 1

Its no. of merozoites in schizont would be in an 8-12 rosette-shaped, fruitpie, daisy-head arrangement.

Answer 1

P. malariae

Question 2

What human cycle stage is being described:

In caseof P. vivax & P. ovale, some sporozoites entering into hepatocytes enter into a resting (dormant) stage before undergoing asexual multiplication while others undergo multiplication w/o delay.

Answer 2

Secondary exoerythrocytic schizogony

Question 3

The sexual method of reproduction; occurs in definitive host

Answer 3

Sporogony

Question 4

This is where sexual cycle occurs

Answer 4

vector

Question 5

Stippling(dots in RBCs): Ziemman’s dots

Answer 5

P. malariae

Question 6

Humans working in nearby forest fringe pose great risk for infection of this malaria parasite.

Answer 6

P. knowlesi

Question 7

Causative agent of Malaria

Answer 7

Plasmodium spp.

Question 8

Benign terian malaria

Answer 8

P. vivax & P. ovale

Question 9

Remains the leading parasitic disease that causes mortality worldwide

Answer 9

malaria

Question 10

This plasmodium spp. is resistant to G6PD deficient individual.

Answer 10

P. falciparum

Question 11

What human cycle stage is being described:

Within one hour, all the sporozoites leave the blood stream and enter into the liver parenchyma cells (spindle-shaped bodies becomes rounded).

Answer 11

Primary exoerythrocytic schizogony

Question 12

Diseases identified by WHO as the major infectious disease threats

Answer 12

malaria, HIV/AIDS, tuberculosis

Question 13

Plasmodium parasites feed on the hemoglobin resulting in the production of pigment known as _________.

Answer 13

hematin

Question 14

Infective stage in man and mosquito.

Answer 14

Man: Sporozoites
Mosquito: Gametocyte

Question 15

Stippling(dots in RBCs): Schuffner’s dots/ James dots

Answer 15

P. ovale

Question 16

T or F. A characteristic of the vector for plasmodium spp. is that it bites during daytime, both indoor and outdoor.

Answer 16

False. It bites at night

Question 17

Stippling(dots in RBCs): Schuffner’s dots

Answer 17

P. vivax

Question 18

The situation in which the erythrocytic infection is eliminated & it occurs later because of a new invasion of the RBCs from liver merozoites.

Answer 18

Relapse

Question 19

The most important parasitic disease

Answer 19

Plasmodium spp.

Question 20

For plasmodium spp., this is where sporogony occurs

Answer 20

Vector - female anopheles mosquito

Question 21

Refers to the protozoan body during schizogony which includes the period of initial growth to the complete splitting up of the nucleus with merozoite production.

Answer 21

Schizont

Question 22

Aestivoautumnal, malignant tertian or subtertian malaria

Answer 22

P. falciparum

Question 23

The group of parasites causing malaria belongs to this genus.

Answer 23

Plasmodium

Question 24

What is being referred to:

INFECTED RBCs
Somewhat larger than normal, often with fringed or irregular edge, and oval in shapel Schuffner’s dots appear even with younger stages; stains more readily and deeply than in P. vivax

Answer 24

P. ovale

Question 25

Ovale malaria

Answer 25

P. ovale

Question 26

IH of Plasmodium spp.

Answer 26

Man

Question 27

Its ring appearance is like a single basket form or band form that are compact/dense with chromatin mass often inside

Answer 27

P. malariae

Question 28

Precursor of oocsyt

Answer 28

ookinete

Question 29

Its gametocyte is crescent shaped, elongated, and sausage shaped.

Answer 29

P. falciparum

Question 30

These protozoans are pigment producers and are ameboid in shape, with some being more ameboid than the others.

Answer 30

Plasmodium spp.

Question 31

The population groups mostly affected by malaria.

Answer 31

Young children and pregnant women

Question 32

The process by which microgametes are formed in the stomach of the mosquito

Answer 32

Exflagellation

Question 33

The most common plasmodium spp. worldwide.

Answer 33

P. vivax

Question 34

These two Plasmodium species are responsible for over 90% of all human malaria cases.

Answer 34

P. falciparum P. vivax

Question 35

Also known as coccidian

Answer 35

Phylum Apicomplexa - Plasmodium spp. & Babesia spp.

Question 36

Differentiation of P. knowlesi and P. malaria is only achieved through _____

Answer 36

Polymerase chain reaction (PCR) assay and molecular characterization

Question 37

The infective form of the parasite present in the salivary glands of female anopheles mosquito (definitive host)

Answer 37

Sporozoites

Question 38

A small ameboid sporozoan trophozoite produced by schizogony that can initiate a new sexual or asexual cycle of development.

Answer 38

Merozoites

Question 39

What human cycle stage is being described: After malarial parasite have undergone erythrocytic schizogony for certain period, some merozoites develop within red cells into male and female gametovytes known as microgametocytes and macrogametocytes respectively.

Answer 39

Gametogony

Question 40

This plasmodium spp. is resistant to Hgb S (Sickle-cell trait) because of a structurally and functionally abnormal band 3 protein.

Answer 40

P. falciparum

Question 41

Most common plasmodium spp. in the Philippines.

Answer 41

P. falciparum

Question 42

The vector for Plasmodium spp.

Answer 42

Female anopheles mosquito

Question 43

Quartan malaria, malariae malaria

Answer 43

P. malariae

Question 44

Stippling(dots in RBCs): Maurer's dots/ Cuneiform dots/ Garham's bodies

Answer 44

P. falciparum

Question 45

Resting stage of the parasite

Answer 45

hypnozoite

Question 46

For plasmodium spp., this is where schizogony occurs

Answer 46

Intermediate host - man

Question 47

The interval from sporozoite injection to detection of parasites in the blood is referred to as the __________.

Answer 47

Pre-patent period

Question 48

What is being referred to: INFECTED RBCs Larger than normal, pale, often bizzare; Schuffner's dots are often present; multiple infection of RBC not uncommon

Answer 48

P. vivax and P. malariae

Question 49

Its small trophozoite is a signet-ring form with heavy red dot andblue cytoplasmic ring

Answer 49

P. vivax

Question 50

What human cycle stage is being described: Merozoites enter the blood stream and invade RBCs where they multiply at the expense of the host cells.

Answer 50

Erythrocytic schizogony

Question 51

Reactivation of hyponozoite forms of P. ovale and P. vivax

Answer 51

Relapse

Question 52

What is being referred to: INFECTED RBCs Normal: multiple infection of RBC very common

Answer 52

P. falciparum

Question 53

The asexual method of reproduction that occurs in the intermediate host.

Answer 53

Schizogony

Question 54

It forms in peripheral blood as rings and crescents

Answer 54

P. falciparum