Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Parasitology Lecture > Plasmodium > Flashcards

Plasmodium Flashcards

1
Q

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

A

P. malariae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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.

A

Secondary exoerythrocytic schizogony

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The sexual method of reproduction; occurs in definitive host

A

Sporogony

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

This is where sexual cycle occurs

A

vector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Stippling(dots in RBCs): Ziemman’s dots

A

P. malariae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

A

P. knowlesi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Causative agent of Malaria

A

Plasmodium spp.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Benign terian malaria

A

P. vivax & P. ovale

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Remains the leading parasitic disease that causes mortality worldwide

A

malaria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

This plasmodium spp. is resistant to G6PD deficient individual.

A

P. falciparum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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).

A

Primary exoerythrocytic schizogony

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Diseases identified by WHO as the major infectious disease threats

A

malaria, HIV/AIDS, tuberculosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

A

hematin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Infective stage in man and mosquito.

A

Man: Sporozoites
Mosquito: Gametocyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

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

A

P. ovale

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

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

A

False. It bites at night

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Stippling(dots in RBCs): Schuffner’s dots

A

P. vivax

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

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

A

Relapse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The most important parasitic disease

A

Plasmodium spp.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

For plasmodium spp., this is where sporogony occurs

A

Vector - female anopheles mosquito

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

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.

A

Schizont

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Aestivoautumnal, malignant tertian or subtertian malaria

A

P. falciparum

23
Q

The group of parasites causing malaria belongs to this genus.

A

Plasmodium

24
Q

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

A

P. ovale

25
Q

Ovale malaria

A

P. ovale

26
Q

IH of Plasmodium spp.

A

Man

27
Q

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

A

P. malariae

28
Q

Precursor of oocsyt

A

ookinete

29
Q

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

A

P. falciparum

30
Q

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

A

Plasmodium spp.

31
Q

The population groups mostly affected by malaria.

A

Young children and pregnant women

32
Q

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

A

Exflagellation

33
Q

The most common plasmodium spp. worldwide.

A

P. vivax

34
Q

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

A

P. falciparum
P. vivax

35
Q

Also known as coccidian

A

Phylum Apicomplexa - Plasmodium spp. & Babesia spp.

36
Q

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

A

Polymerase chain reaction (PCR) assay and molecular characterization

37
Q

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

A

Sporozoites

38
Q

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

A

Merozoites

39
Q

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.

A

Gametogony

40
Q

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

A

P. falciparum

41
Q

Most common plasmodium spp. in the Philippines.

A

P. falciparum

42
Q

The vector for Plasmodium spp.

A

Female anopheles mosquito

43
Q

Quartan malaria, malariae malaria

A

P. malariae

44
Q

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

A

P. falciparum

45
Q

Resting stage of the parasite

A

hypnozoite

46
Q

For plasmodium spp., this is where schizogony occurs

A

Intermediate host - man

47
Q

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

A

Pre-patent period

48
Q

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

A

P. vivax and P. malariae

49
Q

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

A

P. vivax

50
Q

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.

A

Erythrocytic schizogony

51
Q

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

A

Relapse

52
Q

What is being referred to:

INFECTED RBCs
Normal: multiple infection of RBC very common

A

P. falciparum

53
Q

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

A

Schizogony

54
Q

It forms in peripheral blood as rings and crescents

A

P. falciparum

Parasitology Lecture (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions