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Micro Para Lec > Parasites > Flashcards

Parasites Flashcards

1
Q

a specialized branch of
ecology

A

Parasitology

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2
Q

study of organisms living within a specialized environment

A

Parasitology

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3
Q
  • usually not obligatory
  • reflects a relationship in which one species of organism benefits and the other neither benefits nor is harmed
A

Commensalism

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4
Q
  • relationship in which one species of organism lives on or with another organism
  • living at the the expense of and often causing harm to the host
A

Parasitism

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5
Q

study of parasites and hosts interaction

A

Parasitology

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6
Q

living organisms that are associated with food for all or part of their life cycle

A

Parasites

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7
Q

organisms providing food for parasites

A

Hosts

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8
Q

Parasitology involves…..

A

◼ Biology of parasites
◼ Variation of life cycles among parasites
◼ Methods of invasion
◼ Migration and maturation within the hosts
◼ Effect of parasites upon the hosts
◼ Host reactions and responses
◼ Methods of escape from the hosts
◼ Distribution of the parasites

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9
Q

Types of Parasites

A

Endoparasite
Ectoparasite
Facultative parasite
Accidental parasite

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10
Q

Identify Types of Parasites
- lives inside the host

A

Endoparasite

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11
Q

Identify Types of Parasites
- lives on or in the skin

A

Ectoparasite

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12
Q

Identify Types of Parasites
- free-living organism
that can become parasitic if it is accidentally ingested or enters a wound or other body opening.

A

Facultative parasite

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13
Q

Identify Types of Parasites
- normally live in or on
a host other than humans, and these
parasites do not survive long in an unnatural
human host

A

Accidental parasite

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14
Q

Types of Host

A

Definitive host
Intermediate host
Transport host
Reservoir host

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15
Q

Identify the types of host
- one in which the parasite reaches sexual or reproductive maturity.

A

Definitive host

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16
Q

Identify the types of host
- harbors a parasite
that does not reproduce but merely goes on to infect a new host

A

Transport host

17
Q

Identify the types of host
- harbors parasites that engage in asexual reproduction

A

Intermediate host

18
Q

Identify the types of host
- harbor a parasite that
is also infective for humans.

A

Reservoir host

19
Q

Classification of Parasites

A

Protozoans
Metazoans
Arthropods

20
Q

Identify Classification of Parasites
- microscopic one-celled
organisms that are categorized according to their method of movements

A

Protozoans

21
Q

Protozoans classified according to motility

A

Ciliates - uses cilia
Flagellates - uses flagella
Amoeba - no movement

22
Q

Identify Classification of Parasites
- multicellular worm-like
invertebrates

A

Metazoans

23
Q

Examples of Metazoans

A

Helminths
◼ Cestodes (flatworms)
◼ Nematodes (roundworms)
◼ Trematodes (flukes)

24
Q

Identify Classification of Parasites
- possess a hard exoskeleton and jointed appendages

A

Arthropods

25
Q

Two types of Arthropods

A

Insects
Arachnids

26
Q

Effects of Parasites to the Hosts

A

◼ Mechanical damage
◼ Migration through tissues
◼ Nutrition
◼ Toxins
◼ Immunosuppression
◼ Pathogenic

27
Q

2 types Host-Parasite Reactions

A

Susceptible hosts
Non-susceptible hosts

28
Q

Host-Parasite Reactions
- parasites survives and the host may suffer as
a result of the presence of parasite

A

Susceptible hosts

29
Q

Host-Parasite Reactions
- resistant to the
parasite

A

Non-susceptible hosts

30
Q

2 types of Parasite Life Cycles

A

Asexual phase and Sexual phase

31
Q

Parasite Life Cycles
- accumulation of numerous individuals of a particular species in one host.

A

Asexual phase

32
Q

Parasite Life Cycles
- mature phase of
parasite’s life cycle

A

Sexual phase

Micro Para Lec (7 decks)

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