Para Lec - Quiz 1 Flashcards Preview

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Flashcards in Para Lec - Quiz 1 Deck (94):
1

organisms that live on other organisms to survive

parasite

2

organisms that obtain nourishment from other organisms

parasite

3

classif of parasite accdg to habitat

ectoparasite
endoparasite

4

occurs when the parasite is inside

infection

5

occurs when the parasite is outside

infestation

6

example of ectoparasites

fleas, mites, lice, and ticks.

7

example of a temporary ectoparasite

mosquito

8

example of endoparasites

tapeworms

9

classif accdg to mode of living

obligate
facultative
temporary
accidental/incidental

10

classif accdg to mode of living
cannot survive in the absence of host

obligate

11

examples of obligate parasites (3)

Ascaris lumbricoides
Enterobius vermicularis
*Dracunculus medinensis

12

classif accdg to mode of living
may or may not require host to survive

facultative

13

classif accdg to mode of living
can complete life cycle even w/o host

facultative

14

ex. of facultative parasite

Strongyloides stercoralis (thread worm)

15

2 forms of parasite

free living form
parasitic form

16

2 forms of parasite
form when the parasite does not require a host

free living form

17

2 forms of parasite
parasite is found in soil or environment

free living form

18

2 forms of parasite
requires host , parasite found inside host

parasitic form

19

classif accdg to mode of living
seeks its host during meal or feeding time

temporary parasite

20

ex of temporary parasite

mosquito, leech

21

classif accdg to mode of living
one that parasitizes an organism other than the usual host

accidental or incidental parasite

22

example of accidental/incidental (2)

Ancylostoma caninum (dog hookworm)
Toxocara cati (cat ascarid)

23

normal host of Ancylostoma caninum

dog

24

incidental host of Ancylostoma caninum

man

25

normal host of Toxocara cati

cat

26

incidental host of Toxocara cati

man

27

Will Toxocara cati continue its life cycle and reach maturity inside incidental host (man)?

No, it willl hatch into small intestine, and the larvae will remain as larvae because man is not the proper host.

28

disease that Toxocara cati causes

VLM (Visceral Larva Migrans or Migration)

29

disease that A.caninum causes

Cutaneous Larva Migration (CLM)

30

classif accdg to pathogenicity

pathogenic
non-pathogenic

31

harbors the parasite
provides requirements for parasite survival

host

32

types of host (4)

final or definitive
intermediate
reservoir
paratenic

33

types of host
harbors the adult or sexual stage of parasite

final/definitive

34

harbors the multiplication stage of parasite

final/definitive

35

almost always, __ is final host

man

36

types of host
harbors the larval/asexual stage of parasite

intermediate

37

ex of parasite with 1 intermediate host

Taenia solium

38

final host of Taenia solium

man

39

intermediate host of Taenia solium

pig

40

larvae form of Taenia solium

cysticercus cellulosae

41

ex of parasite with 2 IH

Paragonimus westermani

42

FH of Paragonimus westermani

man

43

1st IH of Paragonimus westermani

Antemelania asperata

44

2nd IH of Paragonimus westermani

Sundathelphusa philippina

45

stages of Paragonimus westermani

egg - cercaria - redia - metacercaria - adult

46

types of host
source ofinfection

reservoir

47

types of host
naturally harbors the parasite but not harmed

reservoir

48

ex of reservoir host

rodents, pigs (B.coli)

49

what parasite is naturally present in pigs

Balantidium coli

50

what parasite is naturally present in pigs and cause dysentery diarrhea in man

Balantidium coli

51

types of host
may carry a particular stage of parasite but won't develop into another stage until transferred to a definitive host

paratenic

52

infective stage of P.westermani

metacercaria

53

final host of Plasmodium falciparum

mosquito

54

intermediate host of Plasmodium falciparum

man

55

sources of exposure to infection (5)

STH
Food/Animal borne
Vector Transmitted Group
Contact Transmitted
Others

56

STH meaning

Soil-Transmitted Helminth

57

source of exposure to infection
worms may be acquired in a contaminated soil (Areas where people poop anywhere)

STH

58

ex of STH (4)

Ascaris lumbricoides
Trichuris trichiura
Hookworms
Strongyloides stercoralis

59

examples of hookworms

Necator americanus
Ancylostoma duodenale

60

source of exposure to infection
acquired through eating contaminated food

Food/Animal borne

61

ex of food/animal borne parasites (5)

Taenia solium
Taenia saginata
Fasciola hepatica
Diphyllobothrium latum
Clonorchis sinensis

62

food animal borne parasite acquired through eating of contaminated pork

Taenia solium

63

food animal borne parasite acquired through eating of contaminated beef

Taenia sagimata

64

food animal borne parasite acquired through eating of contaminated water veggies

Fasciola hepatica

65

food animal borne parasite acquired through eating of contaminated fish (2)

Diphyllobothrium latum
Clonorchis sinensis

66

two kinds of vector-transmitted parasites

malaria
and filaria

67

malarial parasites (4)

Plasmodium vivax
Plasmodium ovale
Plasmodium malariae
Plasmodium falciparum

68

filarial parasites (2)

Wuchereria bancrofti
Brugia malayi

69

ex of non-pathogenic contact transmitted parasite

Trichomonas tenax
Entamoeba gingivalis

70

contact transmitted
acquired through sexual intercourse

Trichomonas vaginalis

71

contact transmitted
acquired through intimate kissing (2)

Trichomonas tenax
Entamoeba gingivalis

72

contact transmitted
acquired through anus-to-mouth transfer by fingers

Enterobius vermicularis

73

also called pin worm, seat worm, society worm

Enterobius vermicularis

74

a familial parasite

Enterobius vermicularis

75

example of a nematode that lays eggs in perianal area

Enterobius vermicularis

76

parasite that causes nocturnal pruritus ani

Enterobius vermicularis

77

itchiness of perianal region at night

NPA (Nocturnal Pruritus Ani)

78

Other sources of exposure to infection (3)

Transmammary - breastfeeding
Transplacental - vertical transmission (Mother to fetus)
Intranasal -

79

ex of intranasal parasite

Naegliera fowleri

80

ex of transmammary and transplacental parasite

Toxoplasma gondii

81

modes of transmission (3)

ingestion
skin penetration
sexual contact

82

ex of parasites whose mode of transmission is skin penetration (5)

All species of hookworms
Strongloides stercoralis
Schistosoma japonicum
Schistosoma haematobium
Schistosoma mansoni

83

ex of parasites whose mode of transmission is sexual contact

Trichomonas vaginalis

84

diagnostic importance of portal of exit

used to determine what type of clinical Sx to be requested

85

sample to be requested for P. westermani (found in lungs)

sputum

86

sample to be requested for Schistosoma haematobium (in venous plexuses serving the urinary bladder)

urine

87

sample to be requested for malaria

blood

88

site through which parasites enter the susceptible host and cause disease/infection

portal of entry

89

site from where micro-organisms leave the host to enter another host and cause disease/infection

portal of exit

90

portal of entry if MOT is skin penetration

skin membrane

91

portal of entry if MOT is ingestion

mouth

92

portal of entry if MOT is sexual contact

genitalia

93

symbiotic relationships (3)

mutualism
commensalism
parasitism

94

MOT of all species of hookworms

Skin penetration

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