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MedPara > Lec 3 Intestinal Nematodes > Flashcards

Lec 3 Intestinal Nematodes Flashcards

1
Q

ascaris life span

A

1yr

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2
Q

trichuris life span

A

?1 yr

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3
Q

necator life span

A

8-16yrs

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4
Q

ancylostoma life span

A

up to 5 yrs

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5
Q

male ascaris has

A

incurved tails

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6
Q

stage of ascaris normally passed out in stool

A

fertilized egg

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7
Q

thinner chitin and albumin coat in ascaris

A

unfertilized egg

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8
Q

daily ovum output of sacaris

A

200k/day

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9
Q

incubation of ascaris

A

2-3mos

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10
Q

s/s due to ascaris larva

A

penumonitis
IgE
loeffler’s syndrome

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11
Q

moderate ascaris inf causes

A

lactose malabsorption

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12
Q

heavy ascaris infection causes

A

bowel obs

eosinophilia

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13
Q

tx of ascaris

A

alben
meben
pyrantel pamoate
sx for obstruction of oddi and biliary tree

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14
Q

deworming for ascaris advised every

A

6mos

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15
Q

hookworms include

A

necator (new world)

ancylostoma (old world)

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16
Q

adult male hookworms has what

A

copulatory bursa

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17
Q

necator/ancylostoma: which adult is bigger

A

ancylostoma

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18
Q

IS of hookworms

A

filariform larva

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19
Q

DS of hookworm

A

eggs

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20
Q

adult hookworms found where

A

small int

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21
Q

what stage of hookworms are found in soil/old feces

A

rhabditiform

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22
Q

incubation of hookwork

A

7-8wks

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23
Q

clinical manifestation of larval migration of hookworm

A

dermatitis
cutaneous larva migrams
pneumonitis

24
Q

adult hookworms in intestines causes

A

epi pain
micro anemia
HI bleeding
hypoalbu

25
Q

necator sucks how many

A

.05ml/day

26
Q

ancylostoma can suck how many

A

.2ml/day

27
Q

which hoowkorms produce serpigionous tunnels and sec. bacterial inf, creepeign eruption

A

A. braziliense and A. caninum

28
Q

dx of hookworm

A

direct fecal smear
brine flotation
harda mori (culture)

29
Q

tx fior hookworms

A

alben

meben

30
Q

what strongy stage penetrates skin

A

larva

31
Q

larva of strongy enter bloodstream and reaches

A

lungs

32
Q

what strongy stage are passed out in stool

A

larva

33
Q

how ung autoinfection sa strongy

A

larva develops in colon and reaches lungs again

34
Q

clinical features of strongy

A

pnumonitis
diarrhea
malabsorption
sec. bacteremia/septicemia

35
Q

dissemination strongy can go to

A

GIT lungs visceral organs and CNS

36
Q

dx of strongy inf

A

microscopic feces

string test

37
Q

tx for strongy

A

ivermectin

alben

38
Q

visceral larva migrans include

A

toxocari canis cati

gnathostoma spinegerum

39
Q

how infection sa toxocara

A

ingestion of egg
hatch in small int
penetrate wall into bloodstream
> eyes cns liver

40
Q

saan hatch ang larva ng toxocara

A

small int

41
Q

clinical dse of toxocara

A

fever
loss of visual acuity
blindness
learning disabilities

42
Q

dx of toxocra inf

A

sero (elisa-based)

43
Q

tx of toxocara inf

A

meben

steroids

44
Q

paratenic host of gnathostoma spinigerum

A

birds and snakes

45
Q

IH of gnathostoma

A

copepods
frogs
snakes
birds

46
Q

larval worms of gnathostoma has

A

numerous spines on the head and body

47
Q

saana ng adult worms ng gnathostoma

A

cats and dogs

48
Q

IS of gnathostoma

A

larva

49
Q

patho of gnathostoma inf

A

eosinophilic myeloencephalitis with eosinophilic pleocytosis

50
Q

tx for gnathostoma

A

surgical

alben

51
Q

gastric anisakiasis are from

A

sushi sahimi

52
Q

intestinal anisakiasis are from

A

pickled herring

53
Q

DS of anisakis

A

gastroscopy (kita mo larva)

54
Q

IS of anisakis

A

larva

55
Q

preventions against anisakis

A

freeze fish
smoke fish

(salting and marinating not effective)

MedPara (5 decks)

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