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40 Cards in this Set
- Front
- Back
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common name of a. lumbricoides |
giant intestinal roundworm |
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habitat of a. lumbricoides |
small intestine |
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infective stage |
embryonated ova |
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mode of transmission |
ingestion of ova |
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vector of a. lumbricoides |
periplaneta americana (ipis) |
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length of a. lumbricoides |
12 inches |
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lifespan of ascaris inside the body |
12-17 months |
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lifespan of ascaris in soil |
1-2 years |
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diagnostic stage |
fertilized and unfertilized ova / adult forms in stool |
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most common and largest parasitic infection and intestinal nematode in men |
ascaris lumbricoides |
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term for separate sexes |
dioecious |
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females are ___ than males |
larger |
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shape of the tail of male ascaris |
curved |
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shape of the tail of female ascaris |
pointed / long / straight |
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adult female ascaris larvae lays ___ in its lifetime |
26 million |
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adult female larvae lays __ eggs daily |
200, 000 |
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ascaris has ___ and __ ends |
tapered ; small |
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lumbricoides comes from the word __ |
lumbricus |
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lumbricus means? |
earthworm |
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ascaris takes ___ weeks outside host to develop into the infective stage |
2-3 weeks |
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how many months in soil that the ascaris eggs become embryonated |
2-3 months |
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what color ascaris appears in DFS? |
yellow to brown |
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1st layer - outermost layer of ascaris ova |
uterine layer ; albuminous coat |
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inner layer of ascaris ova |
glycogen |
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2nd layer ; innermost layer of ascaris ova |
vitelline layer |
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3rd layer of ascaris ova |
chitinous/chitin layer |
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4th layer of ascaris ova |
lipid layer |
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5th layer of the ascaris ova |
parasite |
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the host can only be infected with the ingestion of ___ |
embryonated ova |
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the substance that deteriorates the coat of an embryonated ova when it is ingested |
gastric juice |
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adult ascaris larvae tends to coil and form a ball called __ that will cause ___ |
bolus ; intestinal obstruction |
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ascaris can also cause the inflammation of the lungs called |
pneumonitis |
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does not cause increase in eosinophils, it only increases IgG and IgE |
acute hemorrhagic pancreatitis |
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lactose intolerance for children with ascaris infection is called ___ which can cause ___ |
lactos malabsorption ; ascariasis |
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medication for ascaris infection |
a. combantrin b. mebendazole c. pyrantel pamoate |
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after the ingestion of the embryonated ova, it will travel to the __ ; where they will be hatched |
duodenum |
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the order of travel of the ascaris after the duodenum |
liver ; heart ; lungs ; epiglottis |
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when the ova is in the epiglottis (host can spit saliva) however, when host swallos back its saliva, it will: |
return back to the stomach |
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after the stomach, the ascaris will travel into the __ where the larvae develops into adult in 2-3 months |
intestine |
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gravid female ascaris will lay its eggs and the oval will be __ again |
embryonated |
