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PMLS 1 > Parasitology > Flashcards

Parasitology Flashcards

1
Q

Study of Host-Parasite relationship and of parasites that infect humans

A

Parasitology

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2
Q

any organism that lives in or on the body

of another organism in order to survive

A

Parasite

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3
Q

any organism that harbors a parasite

A

Host

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4
Q

refers to the manner in how a parasite successfully enters a susceptible host.

A

Mode of Transmission

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5
Q

ingestion, inhalation, breastfeeding, insect bite, and sexual transmission are modes of transmission. True or False

A

True

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6
Q

disease-causing parasites

CHOICES:
Endoparasites, Eosinophilia, Ectoparasites, Non- pathogenic parasites, Pathogenic parasites

A

Pathogenic parasites

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7
Q

also known as commensal parasites that do not harm the host

CHOICES:
Endoparasites, Eosinophilia, Ectoparasites, Non- pathogenic parasites, Pathogenic parasites

A

Non- pathogenic parasites

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8
Q

thrive externally on the host. Ex. Lice and fleas.

CHOICES:
Endoparasites, Eosinophilia, Ectoparasites, Non- pathogenic parasites, Pathogenic parasites

A

Ectoparasites

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9
Q

parasite found inside the body of an infected host. More problematic and require special specimen preparation

CHOICES:
Endoparasites, Eosinophilia, Ectoparasites, Non- pathogenic parasites, Pathogenic parasites

A

Endoparasites

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10
Q

refers to the increase in eosinophil counts in blood associated usually with parasitism. Act as cellular protectors against parasites.

CHOICES:
Endoparasites, Eosinophilia, Ectoparasites, Non- pathogenic parasites, Pathogenic parasites

A

Eosinophilia

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11
Q

It eventually degrade and are passed in the stool in the form of Charcot – Leyden crystals

CHOICES:
Endoparasites, Eosinophilia, Ectoparasites, Non- pathogenic parasites, Pathogenic parasites

A

Eosinophilia

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12
Q

A close association between two organisms that are permanent wherein one cannot exist independently

A

Symbiosis

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13
Q

A symbiotic relationship in which one organism benefits and the other is neither harmed nor benefitting (neutral)

CHOICES:
Mutualism, Parasitism, Commensalism

A

Commensalism

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14
Q

A symbiotic relationship in which one species benefits at the expense of another.

CHOICES:
Mutualism, Parasitism, Commensalism

A

Parasitism

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15
Q

A symbiotic relationship in which both organisms of different species benefit.

CHOICES:
Mutualism, Parasitism, Commensalism

A

Mutualism

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16
Q

Cannot survive without a host hence it can’t complete its life cycle without a host

CHOICES:
Temporary Parasite, Accidental/Incidental Parasite, Spurious Parasite, Erratic Parasite, Obligatory Parasite, Facultative Parasite, Permanent Parasite

A

Obligatory Parasite

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17
Q

may exist in a free-living state or may become parasitic when the need arises

CHOICES:
Temporary Parasite, Accidental/Incidental Parasite, Spurious Parasite, Erratic Parasite, Obligatory Parasite, Facultative Parasite, Permanent Parasite

A

Facultative Parasite

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18
Q

found in an organ that is not its usual habitat

CHOICES:
Temporary Parasite, Accidental/Incidental Parasite, Spurious Parasite, Erratic Parasite, Obligatory Parasite, Facultative Parasite, Permanent Parasite

A

Erratic Parasite

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19
Q

Found in a host where it does not ordinarily live

CHOICES:
Temporary Parasite, Accidental/Incidental Parasite, Spurious Parasite, Erratic Parasite, Obligatory Parasite, Facultative Parasite, Permanent Parasite

A

Accidental/Incidental Parasite

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20
Q

remains on or in the body of the host for its entire life

CHOICES:
Temporary Parasite, Accidental/Incidental Parasite, Spurious Parasite, Erratic Parasite, Obligatory Parasite, Facultative Parasite, Permanent Parasite

A

Permanent Parasite

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21
Q

lives on the host only for a short period of time

CHOICES:
Temporary Parasite, Accidental/Incidental Parasite, Spurious Parasite, Erratic Parasite, Obligatory Parasite, Facultative Parasite, Permanent Parasite

A

Temporary Parasite

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22
Q

a free-living organism that passes through the digestive tract without infecting the host

CHOICES:
Temporary Parasite, Accidental/Incidental Parasite, Spurious Parasite, Erratic Parasite, Obligatory Parasite, Facultative Parasite, Permanent Parasite

A

Spurious Parasite

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23
Q

Where parasite attains sexual maturity

A

Definitive/Final

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24
Q

It harbors the asexual or larval stage of the parasite

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Intermediate Host

25
Q

the parasite does not develop further to later stages.

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Paratenic host

26
Q

If there is more than one intermediate host, these can be classified as first and
second intermediate hosts

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Intermediate Host

27
Q

widen the parasite distribution and bridge the ecological gap between the definitive and intermediate hosts.

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Paratenic host

28
Q

parasite remains alive and is able to infect another susceptible host

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Paratenic host

29
Q

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

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Carrier

30
Q

animals that harbor the parasite

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Reservoir Hosts

31
Q

maybe the most important host in the spread of the disease

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Humans

32
Q

Hosts other than the normal one that is harboring a parasite

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Accidental/Incidental Host

33
Q

For transferring a parasite from one location to another

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Transport Host

34
Q

allow the parasite’s life cycle to continue and become additional sources of human infection

CHOICES:
Accidental/Incidental Host, Humans, Transport Host, Reservoir Hosts, Carrier, Intermediate Host, Paratenic host

A

Reservoir Hosts

35
Q

The following are portal of entry:

  • Mouth - Ingestion , Intimate oral contact
  • Skin - Active larval penetration, Introduction of the vector
  • Intranasal
  • Transmammary
  • Transplacental
  • Sexual

True or False

A

True

36
Q

Stool, Urine, Sputum, and Blood are some of the portal o exit

True or False

A

True

37
Q

The three common components of a parasitic life cycle are:

  • Mode of Transmission
  • Susceptible host
  • Diagnostic Stage

True or False

A 
False 
(Three Common Components
• Mode of Transmission
• Infective stage
• Diagnostic Stage)
38
Q

Babesia is transmitted through soil transmission. True or False

A

False (Arthropod/Vector)

39
Q

Amoeba is waterborne. True or False

A

True

40
Q

Ascaris lumbricoides, Hookworm, and Trichuris trichiura are __________

A

Soil-transmitted

41
Q

Plasmodium spp., Leishimania spp. are ________

A

Arthropod/Vector

42
Q

Taenia spp., Heterophyds, Fasciola are _________

A

Food-borne

43
Q

Cyclospora, Giardia lamblia are _____

A

Water-borne

44
Q

Trichomona vaginalis and enterobius vermicularis are ______

A

direct contact

45
Q

For patients who have taken antibiotics or antimalarial medications, the specimen should be collected 3 weeks after the therapy. True or Falsse

A

False (2)

46
Q

Acceptable amount of stool specimen: 2 to 5 g. True or False

A

True

47
Q

most common procedure

A

Stool specimen for Ova & Parasite (O&P)

48
Q

Determine the color and consistency, Examine the Gross Abnormalities, and Fresh and unpreserved stool.

A

Macroscopic

49
Q

Direct wet preparation, Cellophane covered thick smear, and Concentration Techniques

A

Microscopic

50
Q

Parasites are measured using an ________

A

Ocular Micrometer

51
Q

Largest protozoan known to

humans

A

Balantidium coli

52
Q

Largest known intestinal

nematode (roundworm)

A

Ascaris lumbricoides

53
Q

Naegleria fowleri is can be seen in ________

A

Cerebrospinal Fluid (CSF) or Nasal Discharge

54
Q

Plasmodium spp. is can be seen in ________

A

Blood

55
Q

Onchocerca volvulus is can be seen in ________

A

Skin Snips

56
Q

Paragonimus wesetermani is can be seen in ________

A

Sputum

57
Q

Trichinella spiralis is can be seen in ________

A

Tissues

58
Q

Trichomonas vaginalis is can be seen in ________

A

Genital Secretions

59
Q

Schistosoma haematobium is can be seen in ________

A

Urine

PMLS 1 (23 decks)

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