4: PARASITOLOGY Flashcards

1
Q
  • Main focus of the Parasite-Host Relationship
A

 Recognition of these relationship
 Search for patterns of the relationships
 Development of methodologies to study these patterns.

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2
Q
  • Parasite that cannot survive outside of a host.
  • Ex. Virus
A

OBLIGATORY PARASITE

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3
Q
  • Parasite that is capable of existing independently of a host
  • Ex. Strongyloides
A

FACULTATIVE PARASITE

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4
Q
  • Parasite that is established inside of a host
  • Ex. Plasmodium
A

ENDOPARASITE

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5
Q
  • Parasite that is established in or on the exterior surface of a host
  • Ex. Fleas
A

ECTOPARASITE

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6
Q
  • Host other than the normal one that is harboring a parasite
A

ACCIDENTAL OR INCIDENTAL HOST

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7
Q
  • Host in which the adult sexual phase of parasite development occurs
A

DEFINITIVE HOST

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8
Q
  • Host harboring parasites that are parasitic for humans and from which humans may become infected
A

RESERVOIR HOST

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9
Q
  • Host responsible for transferring a parasite from one location to another
A

TRANSPORT HOST/PARATENIC/PHORETIC

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10
Q
  • Host in which the larval asexual phase of parasite development occurs
A

INTERMEDIATE HOST

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11
Q

Parasite-harboring host that is not exhibiting any clinical symptoms but can infect others

A

CARRIER

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12
Q
  • Living together; the association of two living organisms, each of a different species
A

SYMBIOSIS

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13
Q
  • Association of two different species of organisms that is beneficial to one at the other’s expense
A

PARASITISM

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14
Q
  • Association of two different species of organisms that is beneficial to one and neutral to the other
A

COMMENSALISM

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15
Q
  • Relating to commensalism; the association between two different organisms in which one benefits and has a neutral effect on the other
A

COMMENSAL

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16
Q
  • Association of two different species of organisms that is beneficial to both
A

MUTUALISM

17
Q
  • Parasite that has demonstrated the ability to cause disease
A

PATHOGENIC

18
Q
  • Three common components
A
  1. Mode of transmission
  2. Infective stage
  3. Diagnostic stage
19
Q

________________ may be taken against every parasite infective to humans.

A
  • Prevention and control measures
20
Q

Are designed to break the transmission cycle are crucial for successful parasite eradication.

A
  • Preventive measures
21
Q
  • Eukaryote, Unicellular, with Ectoplasm and Endoplasm
A

GENERAL CHARACTERISTICS OF PROTOZOANS

22
Q

thread-like, long whip- like structure arising from the surface of the cell.

A

 Flagella

23
Q

shorter, needle-like/hair- like structures, found all throughout the cell.

A

 Cilia

24
Q

false-feet, temporary cytoplasmic extensions.

A

 Pseudopods / Pseudopodia

25
Q

Flexible sheet of material that joins the flagella to the surface of the cell.

A

 Undulating membrane

26
Q

Consist of polar rings, subpellicular tubules, conoid, rhoptries, and micronemes, for penetration and invasion of target cell.

A

Apical complex

27
Q
  • Multicellular with complex structure
A

METAZOANS

28
Q

color, consistency, visualization of adult worms or proglottids

A
  1. Macroscopic examinations
29
Q

for identification of parasitic eggs, cysts, trophozoites

A
  1. Microscopic examinations
30
Q

detection of motile trophozoites of amoebas and flagellates

A
  1. Direct Smear
31
Q

for enhanced detection of smaller parasites that may not be detected in the direct mount

A
  1. Concentration methods
32
Q

recommended for identification of ova and parasites.

A
  1. Permanently stained mount
33
Q

thick and thin blood smears

A
  1. Blood smears
34
Q

for detection of E. vermicularis

A
  1. Cellophane tape procedure
35
Q

for detection of G. lamblia

A
  1. Entero string test