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Flashcards in Lab : Parasites Deck (46)
1

What are the 2 parasitology?

Protozoa
Helminth (worms)

2

Which group of the Protozoa is the Mastigophora?
a) flagellates
b) amoebae
c) coccidia
d) ciliates

a) flagellates

3

What group of the protozoa is the Sarcodina?
a) flagellates
b) amoebae
c) coccidia
d) ciliates

b) amoebae

4

What group of the protozoa is the Ciliophora?
a) flagellates
b) amoebae
c) coccidia
d) ciliates

d) ciliates

5

What group of the protozoa is the Amicomplexa?
a) flagellates
b) amoebae
c) coccidia
d) ciliates

c) coccidia

6

Name the 4 groups of the Protozoa?

flagellates
amoebae
coccidia
ciliates

7

Which group of the protozoa affects the urogenital tract?

Trichomonas vaginalis

8

Which group of the protozoa affects the intestines?

Giardia lamblia

9

What are the 3 groups of the Helminths?

1) Nematodes ( ringworms)
2)Cestodes (flatworm - tapeworm)
3)Trematodes(flatworm - flukes)

10

Trematodes are broken down into 2 groups, name them:

a)those living in blood liver and lung and
b)those living in the intestine.

11

Which Helminth group is the tape worms?a) Nematodes
b) Cestodes
c) Trematodes
d) all of the above

b) Cestodes

12

Which Helminth groups is the round worms?
a) Nematodes
b) Cestodes
c) Trematodes
d) all of the above

a) Nematodes

13

What are the symptoms of trichomonas vaginalis in women?

vaginitis with purulent discharge, abdominal pain, dysuria and can be accompanied by vulvar and cervical lesions.

14

True or False?
Trichomonas vaginalis only has 1 stage, the cyst

False: it only has a traphozoite stage, no cyst form

15

Which parasite is known as "Beaver Fever"?
a)Trichomonas vaginalis
b)Giardia lamblia
c)Dientamoeba fragilis
d) both a & c

b) Gardia lamblia

16

Gardia lambia AKA Beaver Fever is transmitted through what?
a) contaminated water
b) contaminated food
c) contaminated hands
d) all of the above

d) all of the above

17

True of False
Giardia has two stages; trophozoite and cyst stages?
And what stage is infectious?

TRUE : has both stages
Cysts is infectious stage

18

True or False
Trophozoites live long in the environment

False

19

How is Dientamoeba fragilis transmitted?

fecal-oral route and maybe possibly via helminth eggs such as pinworm.

20

True or False
Dientamoeba fragilis has both stages : Traphozoite and Cysts

False
Only a Traphozoite stage

21

Symptoms of the _____________ infection are diarrhea, abdominal pain, anorexia, fatigue, and weight loss

Dientamoeba fragilis

22

Entamoeba histolytica is a pathogenic amoeba parasite associated with intestinal and extraintestinal infections.
Source of infection is through contaminated water, food and hands. Does it have 1 or 2 stages? Name them

2 stages
Traphozoite and Cyst

23

True or False
Infections with Entamoeba histolytica can be asymptomatic

True

24

True or False
Entamoeba dispar (non-pathogenic) is identical to Entamoeba histolytica morphologically and further testing is
required differentiation.

True

25

What is the infectious agent of malaria?

Plasmodium
( which is unicellular)

26

What is the pathogenic agent of Coccidia?

Cryptosporidium

27

Cryptosporidium species are ________ and are stained using the Kinyoun stain or fluorescent stain
a) simple stain
b) gram stain
c) acid fast
d) endospore

c) Acid Fast

28

Tapeworms, flukes and roundworms are collectively called
a) Worms
b) Protozoa
c) Helminths
d) Malaria agents

c) Helminths

29

Helminths are:
a) unicellular
b) multicellular

multicellular

30

Adults Helminths are usually large enough to be seen with the naked eye, and they range from the longest _______ up to about 25 m in length, to ___________ less than 1 mm in length.
a) helminths
b) roundworm
c) tapeworm
d) eggs and larvae

c) tapeworm ( longest)
b) roundworm ( smallest)

31

If helminths are able to be seen by the naked eye, why are they called microorganisms?

because of their infective abilities and because the microscope is necessary to identify their eggs and larvae

32

What are the 2 major groups of parasitic Helminths?

Flatworms & Roundworms

33

_______ have a very thin, often segmented body and _______ have an elongated, cylindrical, un-segmented body
a) flatworm
b) tapeworm
c) ringworm
d)roundworm

a) flatworm and d) roundworm

34

Cestodes and Trematodes are _____________.

Flatworms

35

Nematodes are ___________.

Roundworms

36

What is the pinworms real name?

Enterobius vermicularis

37

Which parasites need to be notified to the Public Health Unit?

Giarda lamblia
Entamoeba histolica
Cryptosporidium
Malaria ( Plasmodium)

38

What is the study of parasites called?

Parasitology

39

There are protozoa which affect intestinal __________, urogenital tract________, blood and reticuloendothelial_______ and tissue __________.
toxoplasma gondii
giardia lamblia
trichomonas vaginalis
Malaria

intestinal = gardia lamblia
urogenital tract = trichomonas vaginalis
retiloendothelial = Malaria
tissue = toxoplasma gondii

40

Nematodes, Cestodes and Trematodes are examples of ______________.

Helminths

41

Helminths produce _______.
b) viruses
c) protozoa
c) eggs
d) None of the above

Eggs

42

Which protozoa's are part of the flagella group?

Trichomonas Vaginalis
Giardia lamblia
Dientamooeba fragilis

43

Which protozoa is part of the Amoeba group?

Entamoeba histolytica

44

_________ and _______ are examples of disease caused by the coccidia( apicomplexa) group of protozoa

Coccidian diseases and Malaria

45

True or False
In immunocompetent persons, symptoms are usually short lived?

True
and in immunocompromised patient, it can be chronic

46

What is Retroinfection of Enterobiun Vermicularis ( Pinworm)

It is when the pinworm larvae hatches on the anal mucosa, and migrates up the bowel and back into the gastrointestinal tract of the original host