hookworm Flashcards

1
Q

complex ovejector, sphincter

A

female

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2
Q

caudal bursa, pair of spicules

A

male

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3
Q

has claviform esophagus

A

hookworm

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4
Q

hookworm also known as

A

bursate nematodes

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5
Q

meaning of bursate

A

phasmids

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6
Q

two most common type

A

ancylostoma duodenale and necator americanus

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7
Q

has ventral cutting plates

A

necator americanus

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8
Q

has ventral cutting teeth

A

ancylostoma duodenale

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9
Q

most common in the philippines

A

necator americanus

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10
Q

common name for ancylostoma duodenale

A

old world hookworm

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11
Q

size of adult male (ancylostoma duodenale)

A

8-11 mm x 0.6 mm

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12
Q

size of female (duodenale)

A

10-13mm x 0.6 mm

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13
Q

identifying feature

A

subterminal anal opening, conoid sheath

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14
Q

average daily output of eggs

A

25k to 30k eggs/day

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15
Q

very helpful in identifying a particular hookworm

A

teeth

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16
Q

two fused teeth

A

ventral

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17
Q

dental plate with median cleft

A

dorsal

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18
Q

eggs hatch in 1-2 days to release what kind of larva

A

rhabditoid larva

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19
Q

diagnostic stage

A

rhabditoid larva

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20
Q

infective stage

A

filariform larva

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21
Q

5-8 days to form what kind of larva

A

filariform larva

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22
Q

buccal cavity of hookworm

A

long

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23
Q

genital primordium of hookworm

A

small/incospicuous

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24
Q

esophagus

A

short

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25
tail
pointed
26
size of male ancylostoma brasiliense
8 mm long
27
shape of bursa
square
28
size of female ancylostoma brasiliense
10mm long
29
diagnostic for a.brasiliense
buccal capsule
30
one pair of inconsipicuous median teeth
a.brasiliense
31
produces cutaneous larva
ancylostoma brasiliense
32
size of male (ancylostoma caninum)
10 mm
33
size of female (ancylostoma caninum)
14 mm
34
bursa with moderately slender rays
male a.caninum
35
buccal capsule (a.caninum)
3 pairs of ventral teeth
36
common parasite of dogs, causes creeping eruption
ancylostoma caninum
37
common name for necator americanus
american hookworm
38
does not contain any teeth but cutting plates
small buccal capsule
39
size of necator americanus (male)
7-9 mm x 0.3 mm
40
female size (necator americanus)
9.11 mm x 0.4 mm
41
eggs description
shell very thin
42
has tolerance to high temperatures
necator
43
prevalent in low temp
ancylostoma
44
form soil-feces mixture, favors larval development and affect overall prevalence of infection
dung beetle
45
presence of papular lesion
ground itch
46
also known as creeping eruption
cutaneous larva migrans
47
most common cause for cutaneous larva migrans
ancylostoma brasiliense
48
red then becomes elevated
itching papules
49
scratching allows colonization of pyogenic organisms
pruritus
50
able to infect by mouth
larvae of a. brasiliense/caninum
51
extensive infection of larvae of brasiliense and caninum
pneomonitis
52
crystals in the sputum
charcot-leyden
53
syndrome cause by migrating larvae
wakana disease
54
can be due to massive larval migration
pneumonitis
55
low degree of sensitization
typical pneumonitis
56
ultimate result of hookworm infection
microcytic, hypochromic anemia
57
treatment
albendazole
58
treatment for creeping eruption
thiabendazole
59
treatment for wakana disease
adrenocorticoids
60
prevention
sanitary disposal of human feces