III: Helminths Flashcards
Ingestion of Taenia solium eggs leads to _____.
cysticercosis
Ingestion of Taenia solium larvae leads to _____.
Intestinal infection
What is the location of Ascaris?
small intestine (lumen)
What is the location of Strongyloides?
small intestine (burrow)
What is the location of Trichuriasis?
large intestine (embed)
Which category of helminth? Ancylostoma (hookworm)
Nematode (Roundworm)
Which category of helminth? Ascaris lumbricoides (Giant roundworm)
Nematode (Roundworm)
Which category of helminth? Diphyllobothrium latum
Cestode (Tapeworm)
Which category of helminth? Echinococcus granulosus
Cestode (Tapeworm)
Which category of helminth? Enterobius vermicularis (pinworm)
Nematode (Roundworm)
Which category of helminth? Necator (hookworm)
Nematode (Roundworm)
Which category of helminth? Onchocerca volvulus
Nematode (Roundworm)
Which category of helminth? Schistosoma
Trematode (Fluke)
Which category of helminth? Strongyloides stercoralis
Nematode (Roundworm)
Which category of helminth? Taenia solium
Cestode (Tapeworm)
Which category of helminth? Toxocara canis
Nematode (Roundworm)
Which category of helminth? Trichinella spiralis
Nematode (Roundworm)
Which category of helminth? Wuchereria bancrofti
Nematode (Roundworm)
Which parasite? Bladder squamous cell carcinoma and pulmonary hypertension
Schistosoma haematobium
Which parasite? Burrows into small intestine
Strongyloides stercoralis
Which parasite? Causes B12 deficiency leading to megaloblastic anemia
Diphyllobothrium latum
Which parasite? Causes river blindness
Onchocerca volvulus
Which parasite? Cyst rupture may lead to life-threatening anaphylaxis
Echinococcus granulosus
Which parasite? Diarrhea/abdominal pain, skin infection (pruritis/urticaria), lung infection
Strongyloides stercoralis
Which parasite? Fecal-oral transmission; eggs may survive 10 years in soil
Ascaris lumbricoides (Giant roundworm)
Which parasite? Fluke
Trematode
Which parasite? Giant roundworm
Ascaris lumbricoides
Which parasite? Hepatosplenomegaly with inflammation and fibrosis caused by fluke
Schistosoma mansoni
Which parasite? Hookworm
Acylostoma, Necator (hookworms)
Which parasite? Hyperpigmented skin, nodules under the skin, eye disease progressing to blindness
Onchocerca volvulus
Which parasite? Ingestion of uncooked fish
Diphyllobothrium latum
Which parasite? Ingestion of uncooked vegetables or contaminated water causing cysts in eyes, muscle, skin, and brain; seizures
Taenia solium; neurocysticercosis
Which parasite? Ingestion of undercooked beef causing an intestinal infection caused by a tapeworm
Taenia saginata
Which parasite? Ingestion of undercooked pork causing an intestinal infection caused by a tapeworm
Taenia solium
Which parasite? Intense muscle inflammation, fever/chills, headache, dizziness
Trichinella spiralis
Which parasite? Intestinal infection with anemia caused by sucking of blood from intestinal walls
Acylostoma, Necator (hookworms)
Which parasite? Larvae penetrate skin, 0.3-0.5in
Acylostoma, Necator (hookworms)
Which parasite? Larvae penetrate skin, 1.5mm
Strongyloides stercoralis
Which parasite? Migrates to perianal area at night and deposits eggs
Enterobius vermicularis (pinworm)
Which parasite? Most common nematode infection in the US
Enterobius vermicularis (pinworm)
Which parasite? Perianal pruritis
Enterobius vermicularis (pinworm)
Which parasite? Resides in lumen of small intestine, 5-14in, may cause obstruction
Ascaris lumbricoides (Giant roundworm)
Which parasite? Roundworm
Nematode
Which parasite? Snails are the host
Schistosoma
Which parasite? Tapeworm
Cestode
Which parasite? Transmission by ingestion of eggs from dog feces, cysts in many organs including liver
Echinococcus granulosus
Which parasite? Transmission via penetration of skin; egg deposition triggers inflammation and granuloma formation
Schistosoma
Which parasite? Transmitted by female black fly bite
Onchocerca volvulus
Which parasite? Transmitted by mosquito bite, larvae develop into adult worms in lymphatics
Wuchereria bancrofti
Which parasite? Transmitted fecal-oral or in undercooked meat (especially pork)
Trichinella spiralis
Which parasite? Transmitted fecal-oral, seroprevalence up to 14% in US; visceral form or ocular (unilateral vision loss/retinal damage) form
Toxocara canis
Which parasite? Variable lymphedema and elephantiasis
Wuchereria bancrofti
Which parasite? Whipworm; embeds in large intestine, 1-2in, causes colitis/dysentry +/- anemia
Trichuriasis
Which Schistosoma species? Eggs in bladder
haematobium
Which Schistosoma species? Eggs in liver
japonicum, mansoni
Which Schistosoma species? Ovaloid eggs with spike produding from end
haematobium
Which Schistosoma species? Ovaloid eggs with spike protruding from body
mansoni
Which Schistosoma species? Painless hematuria
haematobium
Which Schistosoma species? Round eggs
japonicum
Which Schistosoma species? Splenomegaly, umbilical hernia, ascites, dilated abdominal veins
japonicum