Brainscape's Knowledge GenomeTM

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


See full index

MLT-MLS Spring 2023 > Parasitology Introduction > Flashcards

Parasitology Introduction Flashcards

1
Q

Definition:
The study of relationships between organisms of different species (parasite vs host)

A

Parasitology

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

Definition:
Describes the relationship between parasite and host

A

Symbiosis

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

Type of symbiosis:
Both parasite and host benefit

A

Mutualism

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

Type of symbiosis:
The parasite benefits while the host is unaffected

A

Commensalism

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

Type of symbiosis:
The parasite benefits at the expense of the host

A

Parasitism

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

Outcomes to parasitism (3)

A

-Host expels parasite
-Host destroys parasite (anti-parasitic medications)
-Parasite destroys host

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

Type of parasite that lives within the host’s tissues

A

Endoparasite

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

Type of parasite that lives on the host’s surface

A

Ectoparasite

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

Free-living parasitic organism

A

Facultative parasite

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

Parasite that must spend part or all of it’s life cycle in/on host

A

Obligate parasite

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

What is an accidental parasite?

A

One that parasitizes an organism other than its usual host

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

Definition:
Disease transmitted from an animal to a human

A

Zoonosis

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

Type of host that harbors parasite during larval or asexual stage

A

Intermediate host

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

Type of host that harbors parasite during adult or sexual stage

A

Definitive host

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

All of the following have no intermediate host EXCEPT:
-Enterobius vermicularis
-Entamoeba histolytica
-Trypanosoma cruzi

A

Trypanosoma cruzi (has 1 intermediate host, the reduviid bug)

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

Definition:
Not necessary for completion of parasite’s life cycle; temporary refuge until parasite reaches another host. (humans & dog roundworms)

A

Transport Host
aka
Paratenic host

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

Definition:
Infected animals that serve as sources for infective organisms to humans (beavers & Giardia)

A

Reservoir Host

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

What type of host keeps the parasite/organism alive & “sheds” it causing recurring infections in populations?

A

Reservoir host

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

A fly transmitting an amoeba is an example of what type of vector?

A

Mechanical vector

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

A mosquito transmitting Plasmodium species is an example of what type of vector?

A

Biological vector

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

This vector type is essential for the life cycle of a parasite and is required for development or reproduction

A

Biological vector

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

This vector type is accidental or non-essential for transmission of a parasite.

A

Mechanical vector

23
Q

Transmission methods (5)

A

-Direct contact
-Air
-Food or water
-Soil
-Fomite

24
Q

What is a fomite?

A

An inanimate object

25
Q

Common name for helminths

A

Worms

26
Q

What are the 3 forms/stages of helminths?

A

-Ova
-Larva
-Adult

27
Q

How are helminths classified?

A

By the shape of their body

28
Q

Common name for Nematodes

A

Roundworms

29
Q

Scientific name for worms

A

Helminths

30
Q

Scientific name for roundworms

A

Nematodes

31
Q

What body shape do roundworms have?

A

Non-segmented round body

32
Q

Scientific name for tapeworms

A

Cestodes

33
Q

Common name for cestodes

A

Tapeworms

34
Q

What body shape do tapeworms have?

A

Segmented body

35
Q

Common name for trematodes

A

Flatworms or Flukes

36
Q

Scientific name for flatworms or flukes

A

Trematodes

37
Q

What body shape do flatworms or fluke have?

A

Non-segmented flat bodies

38
Q

What type of parasite has 3 forms?

A

Helminths

39
Q

What type of parasite is a single-celled organism?

A

Protozoa

40
Q

How many forms do protozoa have?

A

2
-Trophozoite
-Cyst

41
Q

How are protozoa classified?

A

By means of movement

42
Q

Which protozoa move by means of pseudopodia?

A

Amoebae

43
Q

Amoebae move by what means?

A

Pseudopodia

44
Q

Which protozoa move by means of cilia?

A

Ciliates

45
Q

Ciliates move by what means?

A

Cilia

46
Q

Which protozoa move by means of flagella?

A

Flagellates

47
Q

Flagellates move by what means?

A

Flagella

48
Q

Which protozoa have no organelles for movement?

A

Sporozoa

49
Q

What is the life cycle for arthropods?

A

Metamorphosis

50
Q

Common name for arthropods

A

Bugs

51
Q

Scientific name for bugs

A

Arthropods

52
Q

How are arthropods classified?

A

Number of legs

53
Q

Which type of arthropod?
-6 legs
-antennae
-3 body segments
-wings

A

Insects

54
Q

Which type of arthropod?
-8 legs
-no wings
-2 body segments

A

Arachnids

MLT-MLS Spring 2023 (25 decks)

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