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Botany > Para Lec - Quiz 1 > Flashcards

Para Lec - Quiz 1 Flashcards

1
Q

organisms that live on other organisms to survive

A

parasite

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2
Q

organisms that obtain nourishment from other organisms

A

parasite

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3
Q

classif of parasite accdg to habitat

A

ectoparasite

endoparasite

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4
Q

occurs when the parasite is inside

A

infection

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5
Q

occurs when the parasite is outside

A

infestation

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6
Q

example of ectoparasites

A

fleas, mites, lice, and ticks.

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7
Q

example of a temporary ectoparasite

A

mosquito

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8
Q

example of endoparasites

A

tapeworms

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9
Q

classif accdg to mode of living

A

obligate
facultative
temporary
accidental/incidental

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10
Q

classif accdg to mode of living

cannot survive in the absence of host

A

obligate

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11
Q

examples of obligate parasites (3)

A

Ascaris lumbricoides
Enterobius vermicularis
*Dracunculus medinensis

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12
Q

classif accdg to mode of living

may or may not require host to survive

A

facultative

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13
Q

classif accdg to mode of living

can complete life cycle even w/o host

A

facultative

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14
Q

ex. of facultative parasite

A

Strongyloides stercoralis (thread worm)

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15
Q

2 forms of parasite

A

free living form

parasitic form

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16
Q

2 forms of parasite

form when the parasite does not require a host

A

free living form

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17
Q

2 forms of parasite

parasite is found in soil or environment

A

free living form

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18
Q

2 forms of parasite

requires host , parasite found inside host

A

parasitic form

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19
Q

classif accdg to mode of living

seeks its host during meal or feeding time

A

temporary parasite

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20
Q

ex of temporary parasite

A

mosquito, leech

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21
Q

classif accdg to mode of living

one that parasitizes an organism other than the usual host

A

accidental or incidental parasite

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22
Q

example of accidental/incidental (2)

A 
Ancylostoma caninum  (dog hookworm)
Toxocara cati (cat ascarid)
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23
Q

normal host of Ancylostoma caninum

A

dog

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24
Q

incidental host of Ancylostoma caninum

A

man

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25
Q

normal host of Toxocara cati

A

cat

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26
Q

incidental host of Toxocara cati

A

man

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27
Q

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

A

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

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28
Q

disease that Toxocara cati causes

A

VLM (Visceral Larva Migrans or Migration)

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29
Q

disease that A.caninum causes

A

Cutaneous Larva Migration (CLM)

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30
Q

classif accdg to pathogenicity

A

pathogenic

non-pathogenic

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31
Q

harbors the parasite

provides requirements for parasite survival

A

host

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32
Q

types of host (4)

A

final or definitive
intermediate
reservoir
paratenic

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33
Q

types of host

harbors the adult or sexual stage of parasite

A

final/definitive

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34
Q

harbors the multiplication stage of parasite

A

final/definitive

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35
Q

almost always, __ is final host

A

man

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36
Q

types of host

harbors the larval/asexual stage of parasite

A

intermediate

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37
Q

ex of parasite with 1 intermediate host

A

Taenia solium

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38
Q

final host of Taenia solium

A

man

39
Q

intermediate host of Taenia solium

A

pig

40
Q

larvae form of Taenia solium

A

cysticercus cellulosae

41
Q

ex of parasite with 2 IH

A

Paragonimus westermani

42
Q

FH of Paragonimus westermani

A

man

43
Q

1st IH of Paragonimus westermani

A

Antemelania asperata

44
Q

2nd IH of Paragonimus westermani

A

Sundathelphusa philippina

45
Q

stages of Paragonimus westermani

A

egg - cercaria - redia - metacercaria - adult

46
Q

types of host

source ofinfection

A

reservoir

47
Q

types of host

naturally harbors the parasite but not harmed

A

reservoir

48
Q

ex of reservoir host

A

rodents, pigs (B.coli)

49
Q

what parasite is naturally present in pigs

A

Balantidium coli

50
Q

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

A

Balantidium coli

51
Q

types of host

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

A

paratenic

52
Q

infective stage of P.westermani

A

metacercaria

53
Q

final host of Plasmodium falciparum

A

mosquito

54
Q

intermediate host of Plasmodium falciparum

A

man

55
Q

sources of exposure to infection (5)

A 
STH
Food/Animal borne
Vector Transmitted Group
Contact Transmitted 
Others
56
Q

STH meaning

A

Soil-Transmitted Helminth

57
Q

source of exposure to infection

worms may be acquired in a contaminated soil (Areas where people poop anywhere)

A

STH

58
Q

ex of STH (4)

A

Ascaris lumbricoides
Trichuris trichiura
Hookworms
Strongyloides stercoralis

59
Q

examples of hookworms

A

Necator americanus

Ancylostoma duodenale

60
Q

source of exposure to infection

acquired through eating contaminated food

A

Food/Animal borne

61
Q

ex of food/animal borne parasites (5)

A 
Taenia solium
Taenia saginata
Fasciola hepatica
Diphyllobothrium latum 
Clonorchis sinensis
62
Q

food animal borne parasite acquired through eating of contaminated pork

A

Taenia solium

63
Q

food animal borne parasite acquired through eating of contaminated beef

A

Taenia sagimata

64
Q

food animal borne parasite acquired through eating of contaminated water veggies

A

Fasciola hepatica

65
Q

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

A

Diphyllobothrium latum

Clonorchis sinensis

66
Q

two kinds of vector-transmitted parasites

A

malaria

and filaria

67
Q

malarial parasites (4)

A

Plasmodium vivax
Plasmodium ovale
Plasmodium malariae
Plasmodium falciparum

68
Q

filarial parasites (2)

A

Wuchereria bancrofti

Brugia malayi

69
Q

ex of non-pathogenic contact transmitted parasite

A

Trichomonas tenax

Entamoeba gingivalis

70
Q

contact transmitted

acquired through sexual intercourse

A

Trichomonas vaginalis

71
Q

contact transmitted

acquired through intimate kissing (2)

A

Trichomonas tenax

Entamoeba gingivalis

72
Q

contact transmitted

acquired through anus-to-mouth transfer by fingers

A

Enterobius vermicularis

73
Q

also called pin worm, seat worm, society worm

A

Enterobius vermicularis

74
Q

a familial parasite

A

Enterobius vermicularis

75
Q

example of a nematode that lays eggs in perianal area

A

Enterobius vermicularis

76
Q

parasite that causes nocturnal pruritus ani

A

Enterobius vermicularis

77
Q

itchiness of perianal region at night

A

NPA (Nocturnal Pruritus Ani)

78
Q

Other sources of exposure to infection (3)

A

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

79
Q

ex of intranasal parasite

A

Naegliera fowleri

80
Q

ex of transmammary and transplacental parasite

A

Toxoplasma gondii

81
Q

modes of transmission (3)

A

ingestion
skin penetration
sexual contact

82
Q

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

A 
All species of hookworms
Strongloides stercoralis
Schistosoma japonicum
Schistosoma  haematobium
Schistosoma mansoni
83
Q

ex of parasites whose mode of transmission is sexual contact

A

Trichomonas vaginalis

84
Q

diagnostic importance of portal of exit

A

used to determine what type of clinical Sx to be requested

85
Q

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

A

sputum

86
Q

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

A

urine

87
Q

sample to be requested for malaria

A

blood

88
Q

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

A

portal of entry

89
Q

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

A

portal of exit

90
Q

portal of entry if MOT is skin penetration

A

skin membrane

91
Q

portal of entry if MOT is ingestion

A

mouth

92
Q

portal of entry if MOT is sexual contact

A

genitalia

93
Q

symbiotic relationships (3)

A

mutualism
commensalism
parasitism

94
Q

MOT of all species of hookworms

A

Skin penetration

Botany (324 decks)

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