Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/43

Click to flip

43 Cards in this Set

  • Front
  • Back
What is the cardinal sign of Onchocerca Volvulus?
Blindness
What is the cardinal sign of Wuchereria bancrofti?
Elephantiasis or lymphedema
What is the cardinal sign of Strongyloides Stercoralis?
Autoinfection
What is the cardinal sign of Enterobius vermicularis?
Perianal pruritis
What is the cardinal sign of Ancylostoma and Necator?
Microcytic anemia (bld loss)
What is the cardinal sign of Trichuris trichiura?
Rectal prolapse
What is the cardinal sign of Schistosoma heamatobium?
Hematuria and bladder cancer
What is the cardinal sign of Schistosoma mansoni?
Portal hypertension / esophageal varices
What is the cardinal sign of Taenia Solium?
Brain cysts / seizures
What is the cardinal sign of Echinococcus?
Liver cysts
What is the general treatment for most nematodes?
Mebendazole (a vermafuge)
How is the diagnosis for most nematodes made?
Eggs in stool
What is Loeffler’s syndrome and what infectious agent is it associated with?
Pneumonia w/ eosinophilia assoc w/ Ascaris Lumbricoides Infec
What is the definitive host for Trichuris Trichiura?
Humans
How do Ancylostoma and Necator enter the body?
Larva penetrate the skin
What is the mechanism of pathogenesis in Trichinella Spiralis?
Ingest LIVE organism and larvae invade and calcify muscle
How is Wuchereria bancrofti spread?
Mosquito bite
How is Wuchereria bancrofti treated?
Heteraza (diethylcarbamazine)
How is Onchocerca Volvulus spread?
Black Fly
What is the treatment for Onchocerca Volvulus?
Ivermectin
What is the risks associated with removal of cysts caused by Echinococcus Granulosus?
Anaphylactic shock
What is the necessary intermediate hosts in Schistosomas?
Snail
What organism does the adult female live inside adult male groove?
Schistosomes are not hermaphrodites like other trematodes
What type of worms are the nematodes?
Round Worms
What are the ten clinically significant round worms?
Onchocerca volvulus
Wuchereria bancrofti
Trichinella spiralis
Enterobius vermicularis
Strongyloides stercoralis
Necator americanus (new world) and Ancylostoma duodenale
Toxocara canis
Trichuris trichiura
Ascaris lumbricoides
Which nematodes are transmitted by ingestion of eggs?
"ATE eggs":
Ascaris Lumbricoides
Trichuris trichuira
Enterobius vermicularis
spread by ingestion of eggs (vs skin invasion or insect bite)
Which round worms are transmitted by direct invasion of skin by larval forms?
Strongyloides stercoralis
Necator americanus (new world) and Ancylostoma
Which nematodes are transmitted by ingestion of meat containing larvae?
Trichinella spiralis
Which nematodes are transmitted by insects tranmitting the larvae?
Wuchereria bancrofti
Onchocerca volvulus
What clincal problem do round worms cause?
Ascaris lumbricoides causes obstruction and malabsorption
What clincal problem do whip worms cause?
Trichuris trichiura causes prolapsed rectum
What clincal problem do hook worms cause?
Necator americanus (new world) and Ancylostoma duodenale (old world) cause anemia
What clincal problem do pin worms cause?
Enterobius vermicularis causes anal itch
What clincal problem do filarial worms cause?
Wuchereria bancrofti - elephantitis
Onchocerca volvulus - blindness
What is unique about the treatment of Trichinella spiralis compared to other nematodes?
Treatment-None, supportive therapy.
What are the 3 medically relevant cestodes?
Taenia saginata (beef tapeworm
Taenia solium (pork tapeworm)
Echinococcus granulosus
What is the Definitive host for Echinococcus granulosus?
Dog or wolf
What is the Definitive host for Taenia saginata (beef tapeworm Taenia solium (pork tapeworm)?
Humans
What are the medically relevant Trematodes?
All Schistosomes: mansoni, japonicum and hematobium
What are Trematodes?
Flukes
How is Taenia saginata (beef tapeworm Taenia solium (pork tapeworm)transmitted?
Undercooked beef or pork
What is the primary treatment for the trematodes and the cestodes?
Praziquantel
What are cestodes?
Tapeworms