Classification of Medically Important Parasites Flashcards by Louie Mann | Brainscape

Q

3 major groups of clinically significant parasites, namely:

A

Single- Celled parasites: Protozoans
Multicellular worms: Metazoan helminthes
Arthropods

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

The parasites of man are mostly contained in around how many subdivisions or phyla?

A

8 (eight) (walo)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• Classification to any group or subdivision is based predominantly on ?

A

morphologic characteristics

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

morphologic characteristics

A

PROTOZOANS

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Nucleus/nuclei, cytoplasm, outer limiting membrane, organelles (contractile vacuoles, rudimentary digestive organs etc.)

A

PROTOZOANS

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Require a wet environment for feeding, locomotion, osmoregulation and reproduction

A

PROTOZOANS

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

They form trophozoites (active, feeding, reproduction) and cysts (inactive) except for Naegleria

A

PROTOZOANS

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Nutrition of all protozoans are?

A

HOLOZOIC (require organic materials, which may be particulate or in solution)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what are the 2 Subphya ofPhylum Sarcomastigophora ?

A

Subphyla Mastigophora

2. Subphyla Sarcodina

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Subphyla Mastigophora

• Organelle of locomotion?

A

Flagella

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• Asexual Reproduction (longitudinal)?

A

A. Phylum Sarcomastigophora

- Subphyla Mastigophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what Kingdom and Phylum and subphylum?- Giardia: Giardiasis

A

Subkingdom Protozoa
A. Phylum Sarcomastigophora
- Subphyla Mastigophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what Kingdom and Phylum and subphylum?- Chilomastix

A

Subkingdom Protozoa
A. Phylum Sarcomastigophora
- Subphyla Mastigophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what Kingdom and Phylum and subphylum?- Thrichomonas:

A

Subkingdom Protozoa
A. Phylum Sarcomastigophora
- Subphyla Mastigophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what Kingdom and Phylum and subphylum? Thrichomoniasis

A

Subkingdom Protozoa
A. Phylum Sarcomastigophora
- Subphyla Mastigophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what Kingdom and Phylum and subphylum?- Dientamoeba

A

Subkingdom Protozoa
A. Phylum Sarcomastigophora
- Subphyla Mastigophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what Kingdom and Phylum and subphylum? - Trypanosoma: Chagas Disease

A

Subkingdom Protozoa
A. Phylum Sarcomastigophora
- Subphyla Mastigophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what Kingdom and Phylum and subphylum? African Sleeping Sickness

A

Subkingdom Protozoa
A. Phylum Sarcomastigophora
- Subphyla Mastigophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what Kingdom and Phylum and subphylum? - Leishmania: Leishmaniasis (Cutaneous, Visceral)

A

Subkingdom Protozoa
A. Phylum Sarcomastigophora
- Subphyla Mastigophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Subphyla Sarcodina

• Organelle of locomotion?

A

Psuedopodia

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Asexual Reproduction

* May either be Intestinal or Extra Intestinal

A

Subphyla Sarcodina

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Intestinal or Estraintesninal???

A

Entamoeba spp. , Lodamoeba butschii, Endolimax nana

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Intestinal or Estraintesninal???

A

Naegleria, Acanthamoeba, Entamoeba gingivalis

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

B. Phylum Ciliophora

• Organ of locomotion?

A

Cilia

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• Asexual reproduction (Transverse)

A

B. Phylum Ciliophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

what phylum do they belong??• Balantidium colo: Balatidiasis or Balantidial dystentery

A

B. Phylum Ciliophora

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• Presence of an apical complex at the anterior end (polar rings, subpellicular tubules, conoid, rhoptries, micronemes)

A

C. Phylum Apicomplexa

- Class Sporozoa

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• All members are parasitic

A

C. Phylum Apicomplexa

- Class Sporozoa

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• Life cycle is characterized by an alteration of generation (one sexual and one asexual)

A

C. Phylum Apicomplexa

- Class Sporozoa

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Spore forming

A

D. Phylum Microspora*

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Possess a unique extrusion apparatus which enables them to insert infective material to the host cell

A

D. Phylum Microspora*

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

from what phylum - Opportunistic infections among immune-compromised
- Enterocytozoon, Encephalitozoon, Microspridium

A

D. Phylum Microspora*

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

from what phylum and class- Toxoplasma: Toxoplasmosis

A

C. Phylum Apicomplexa

- Class Sporozoa

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

phylum and class?- Cyclospora

A

Phylum Apicomplexa

- Class Sporozoa

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

phylum and class?- Crypatosporidium: Cryptosporidiosis

A

Phylum Apicomplexa

- Class Sporozoa

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

phylum and class?- Babesia: Babesiosis

A

Phylum Apicomplexa

- Class Sporozoa

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

phylum and class?- Plasmodium: Malaria

A

Phylum Apicomplexa

- Class Sporozoa

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• Multicellular and contain internal organ system

A

METAZOAN HELMINTHS

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

are worm-like parasites

A

HELMINTHS

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• Characterized by elongated, flat or round bodies

A

METAZOAN HELMINTHS

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• Egg, larval (juvenile), and adult stages

A

METAZOAN HELMINTHS

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

• Predominantly coelamate (fluid-filled body cavity in which the gut and the organs are suspended

A

Phylum Annelida

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

divided into separate compartments by partitions called septa what part??

A

coelom

Q

• Segmented with repetitive parts

A

Phylum Annelida

Q

• Several well developed body systems (e.g. digestive, nervous, excretory, etc.)

A

Phylum Annelida

Q

• EX. Leeches

A

Phylum Annelida

Q

what phylum, kingdom and class are (Roundworms)??

A

• Phylum Nemathelminthes
-Class Nematoda
METAZOAN HELMINTHS

Q

o Unsegmented (non-metameric

A

Class Nematoda

Q

o Bilaterally symmetrical

o Triploblastic

A

Phylum Nemathelminthes

-Class Nematoda

Q

o	Pseudocoelomate (they have a cavity called a pseudocoel between the gut and the body wall: tube within a tube type of body plan)
Complete digestive tract (oral aperture > subterminal anus

A

Phylum Nemathelminthes

-Class Nematoda

Q

are diecious (separate sexes)

A

nematodes

Q

sensory organ found at the anterior end

- found at the base of the lips

A

amphids

Q

Principal chemosensory organ of nematodes

A

AMPHIDS

Q

sensory organs found at the posterior end

Unicellular receptors in the lateral tail region
Are important for the classification of nematodes

A

Phasmids

Q

Aphasmid nematodes

A

Class Adenophorea

Q

Of the nematodes of medical and public health importance only 3 are

A

Trichuris
Trichinella
Capillaria

Q

Trichuris what class

A

Class Adenophorea

Q

Trichinella what class

A

Class Adenophorea

Q

Capillaria what class

A

Class Adenophorea

Q

phasmid nematodes

A

Class Secernentia

Q

Nematodes may also be classified based of their habitat: what are the 2 habitats?

A

Intestinal

Extra-intestinal

Q

Ascaris, Capillaria, Hookworm, Strongyloides (HABITAT??)

A

Intestinal

Small intestine

Q

Angiostrongylus, Filarial worms, Trichinella (HABITAT??)

A

Extra-intestinal

Q

Dorsolaterally Fattened
Bilateral symmetry
Hermaphroditic

A

Phylum Platyhelminthes

Q

unsegmented

A

Class trematoda-

Q

metameric/segmental

A

Class Cestoda-

Q

( Flatworms/Flukes)

A

Class Trematoda

Q

genital sucker (TERM)

A

gonotyl

Q

flatworms do not have gonotyl except?

A

Heterophyids

Q

All require 2 Intermediate hosts (1st intermediate host is always a snail)

A

Class Trematoda ( Flatworms/Flukes)

Q

Generally the infective stage is the metacercariae (encysted larvae) that develops in the 2nd intermediate host

and exception??

A

Class Trematoda ( Flatworms/Flukes

exempted:Schistosomes (infective stage is cercariae)

Q

Clonorchis
Echinostoma
CLASS??

A

Class Trematoda ( FLUKES)

Q

Fasciola CLASS??

A

Class Trematoda ( FLUKES)

Q

Faciolopsis CLASS??

A

Class Trematoda ( FLUKES)

Q

Heterophyids CLASS??

A

Class Trematoda ( FLUKES)

Q

Opisthorcis CLASS??

A

Class Trematoda ( FLUKES)

Q

Paragonimus CLASS??

A

Class Trematoda ( FLUKES)

Q

Schistosoma CLASS??

A

Class Trematoda ( FLUKES)

Q

Class Cestoda

A

( Tapeworms)

Q

Provided with an anterior structure called scolex, followed by the neck then the strobili

A

Class Cestoda ( Tapeworms)

Q

There are only 2 orders under Class Cestoda that are of medical and public health importance:

A

Order Pseudophyllidea

- Order Cyclophyllidea

Q

globular scolex within 4 muscular sucker

A

Order Cyclophyllidea

Q

bothria

A

Order Pseudophyllidea

Q

with geintal pore and uterine pore

A

Order Pseudophyllidea

Q

absent uterine pore

A

Order Cyclophyllidea

Q

operculated eggs

A

Order Pseudophyllidea

Q

eggs with hexacanth

A

Order Cyclophyllidea

Q

non operculated eggs

A

Order Cyclophyllidea

Q

ciliated oncosphere

A

coracidium Order Pseudophyllidea

Q

sucking grooves (TERM)

A

BOTHRIA

Q

Exoskeleton

A

Phylum Arthropoda

Q

Segmented Bodies

Jointed appendages

A

Phylum Arthropoda

Q

contain the majority of the arthropods with medical and public health importance (2)

A

Class Insecta and Arachnida

Q

• Order Diptera

A

Class Insecta ( Mosquitoes and Flies)

Q

• Order Siphonoptera (

A

Class Insecta ( Fleas)

Q

• Order Hymenoptera

A

Class Insecta ( bees, wasps, and ants)

Q

• Order Lepidoptera

A

Class Insecta ( moths and butterflies)

Q

• Order Hemiptera

A

Class Insecta ( bed bugs, and kissing bugs)

Q

• Order Anoplura

A

Class Insecta (Lice)

Q

• Order Coloeptera

A

Class Insecta (Beetles)

Q

• Order Copepoda

A

(Cyclops) Class Crustacea

Q

• Order Decapoda

A

( crabs, lobsters, shrimps) Class Crustacea

Q

(Scorpions)

A

(Scorpions) Class Arachnida

Q

( Spiders)

A

• Order Aranaea Class Arachnida

Q

• Order Acarina ( Class Arachnida

A

( Mites and Ticks)

Q

Class Chilopoda
Class Diplopoda
Class Ptastomida

what Phylum do they belong?

A

Phylum Arthropoda