Helminthic Infestations of the Intestinal Tract Flashcards Preview

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Flashcards in Helminthic Infestations of the Intestinal Tract Deck (17):
1

Characteristics of Helminthic

-Macroscopic, multicellular worms
-Infest the GI tract and live there as parasites

2

Examples of helminthic infestations of the intestinal tract

-Tapeworm infestation
-Pinworm infestations

3

Tapeworm Infestations

-Also called Cestode
-Flat
-Segmented
-Parasitic helminth

4

What are Tapeworms?

-Tapeworms exist as intestinal parasites that lack their own digestive systems

5

Pathogens for Tapeworm Infestations

-Taenia saginata-beef tapeworm
-Taenia solium-pork tapeworm

6

Taenia life cycle for Tapeworm Infestations

Life cycle divided between a primary and intermediate host

7

Signs and Symptoms for Tapeworm Infestations

-Typically asymptomatic
-Presence of worm segments in feces

8

Epidemiology for Tapeworm Infestations

-Poor sewage treatment
-Live in close contact with livestock

9

Diagnosis for Tapeworm Infestations

Presence of proglottids in fecal sample

10

Treatment for Tapeworm Infestations

-Niclosamide
-Praziquantel

11

Prevention for Tapeworm Infestations

Thorough cooking of meats

12

Characteristics of Pinworm Infestation

-Also called nematodes
-Long
-Thin
-Unsegmented
-Cylindrical helminth

13

Signs and Symptoms for Pinworm Infestation

-Asymptomatic infections= 1/3 of the cases
Symptomatic infection =
-Perianal itching from eggs
-Irritability
-Decreased appetite

14

Pathogen for Pinworm Infestation

Enterobius vermicularis

15

Epidemiology for Pinworm Infestation

-Commonly occur in children
-Enterobius (Pineworm) is the most common parasitic worm in the United States

16

Diagnosis for Pinworm Infestation

Identification of eggs microscopically
-Presence of adult pinworms

17

Prevention for Pinworm Infestation

-Strict personal hygiene

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