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Parasitology Midterms > Intestinal Nematodes Ascaris lumbricoides > Flashcards

Intestinal Nematodes Ascaris lumbricoides Flashcards

(51 cards)

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0
Q

Large intestine habitat

A

Vermicuralis

Trichiura

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1
Q

Small intestine habitat

A

Philippinensis
Lumbricoides
Stercoralis
Hookworms

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2
Q

Lymphnodes, glands, vessel

A

Filarial worms

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3
Q

Muscles

A

Spiralis

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4
Q

Meninges

A

Cantonensis

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5
Q

Oviparous

A 
Egg laying
Lumbricoides
Trichiura
Hookworms
Vermicularis
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6
Q

Viviparous or larviparous

A

Giving birth to larva
Bancrofti
Malayi
Spiralis

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7
Q

Oviviparous

A

Laying eggs containing larvae that immediately hatched out

Stercoralis

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8
Q

The most common intestinal nematode of man or giant intestinal roundworm

A

Ascaris lumbricoides

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9
Q

Most common intestinal roundworm among children

A

Ascaris lumbricoides

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10
Q

Ascaris lumbricoides

Morphology

A

White or pink
Smooth strated muscles
Faint longitudinal line

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11
Q

Ascaris lumbricoides

Size of male worm

A

10-30cm

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12
Q

Ascaris lumbricoides

How many spicules

A

2

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13
Q

Ascaris lumbricoides

Describe the male tubule

A

Single, long and tortuos

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14
Q

Ascaris lumbricoides

Size of female worm

A

22-35cm

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15
Q

Ascaris lumbricoides

Where do you find the paired reproductive organ

A

Posterior 2/3

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16
Q

Ascaris lumbricoides

How many vagina

A

1 that branch to pair of genital tubules

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17
Q

Ascaris lumbricoides

Describe the mouth and the lips

A

1 mouth, 3 lips with sensory papilae

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18
Q

Ascaris lumbricoides

What is the sized of fertilized egg

A

Golden brown

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19
Q

Ascaris lumbricoides

The innermost of fertilized egg is called?

A

Vitelline layer

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20
Q

Ascaris lumbricoides

Which maybe absent or loss in decorticated eggs

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A

Mammilated albuminous

21
Q

Ascaris lumbricoides

Size of unfertilized egg

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A

88-94 micrometer by 39-44 micrometer

22
Q

What is the size of fertilized eggs

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A

47-70 micrometer by 35-50 micrometer

23
Q

Ascaris lumbricoides

Egg shell of unfertilized egg

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A

With little or no outer albuminoid coat

24
Ascaris lumbricoides | Described the yolk of unfertilized egg
Disorganized, appear as tiny bubbles
25
Ascaris lumbricoides Size of decorticated fertilized egg
45-70 by 35-50
26
Ascaris lumbricoides | Describe the eggshell of decorticated
2 layer, transparent, albumionous coat
27
Ascaris lumbricoides Describe the yolk of decorticated
Organized
28
Ascaris lumbricoides Eggshell of embryonated egg
Trilaminar
29
Ascaris lumbricoides | Whats is the color of embryonated egg
Brownish to yellow
30
Ascaris lumbricoides Embryonated egg contains
Coiled larva inside
31
Ascaris lumbricoides | What is the infective stage?
Fully embryonated egg
32
Ascaris lumbricoides Parhway
``` Igested eggs Small intestine Intestinal wall Venules Liver Heart Pulmonary vessels ```
33
Ascaris lumbricoides In the lungs, larva undergo _________ before migrating to the larynx to be swallowed into digestive tract
Molting
34
Ascaris lumbricoides How many days migrating and molting phase
7-10days
35
Ascaris lumbricoides Prepatent period
60-70days
36
Ascaris lumbricoides How many weeks for the egg to develop into infective stage
2-3 weeks
37
Ascaris lumbricoides Larva reaches _____ when it molts within the egg
3rd stage
38
Ascaris lumbricoides If eggs are swallowed, they hatch in the?
Duodenum
39
Ascaris lumbricoides Mature female worms produce
200,000 eggs
40
Ascaris lumbricoides Ingestion of large number of infevtive eggs may provoke
Pneumonitis
41
Ascaris lumbricoides Pneumonitis may occur from
4 days to 2 weeks
42
Ascaris lumbricoides Sensitive persons may develop
Asthma attacks
43
Ascaris lumbricoides Moderate infection
Symptomatic lactose intolerance
44
Ascaris lumbricoides Heavy infection
Bowel obstruction
45
Ascaris lumbricoides Increase peak of eosinophilla
Re enter the gut
46
Ascaris lumbricoides Increase lavel of
IgG and IgE
47
Ascaris lumbricoides Sphincter of oddi or migrate up the billary tree producing
Acute abdominal pain, gallstone, pancreatitis
48
Ascaris lumbricoides Diagnosis
Direct fecal smear, concentration technique, barium meal examination
49
Ascaris lumbricoides Treatment
Albendazole 400mg single oral dose Albendazole 200 mg for children <2 Mebendazole 100 mg 2x a day for 3days
50
Ascaris lumbricoides Alternate treatment
Pyrantel pamoate 11 mg/kg

Parasitology Midterms (6 decks)

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