7.6 Intestinal Nematodes Flashcards
Ovoid or peanut-shaped
Operculated with flattened bipolar plugs
Capillaria philippinensis
Adult Capillaria worms are found partially embedded in the mucosa of the small intestine but does not penetrate beyond ____
Muscularis mucosa
Specific diagnosis of capillaria worms is established by finding ____
Unembryonated eggs
Capillariasis TOC
Albendazole BID for 10 days
Alternative drugs for capillariasis
Mebendazole, thiobendazole
Capillariasis TOC
Avoiding the ingestion of raw or partially cooked freshwater fish, snails and crustaceans
Enterobius vermicularis inhabit the ______
Cecum and colon
Most common where people live under ____
Crowded conditions
Pinworm: cuticular extensions that flank the anterior end tapers on each side
Cephalic alae
Pinworm: the prominent posterior bulb wehre the slender esophagus terminates
Esophageal bulb
Persimmon seed-like egg
Enterobius vermicularis
Pinworm: site of inhabitaiton
Cecum and colon
Infective stage of pinworm
Embryonated egg
Major symptom of pinworm infection
Anal pruritus
Pinworm diagnosis
Cellophane tape method done in morning
Treatment for pinworm infection
Albendazole
Female Strongyloides stercoralis lives in the _____ of _____
Superficial tissue
Duodenum and jejunum
Infective stage of Strongyloides stercoralis
3rd stage larva (filariform)
Diagnostic stage of Strongyloides stercoralis
1st stage larvae (rhabditiform)
Strongyloides stercoralis life cycle
Free living phase
Parasitic phase
Autoinfection
Strongyloides stercoralis: cutaneous reaction due to skin penetration
Ground itch
Strongyloides stercoralis: pulmonary symptoms duirng pulmonary migration of the filariform larvae
Loeffler’s syndrome
Autoinfection of Strongyloides stercoralis can lead to the _____
Hyperinfection syndrome
