Special Worms Review

Question 1

Pinworm (Enterobium vermicularis)
presentation
transmission

Answer 1

perianal pruritis

fecal-oral

Question 2

Giant roundworm (Ascaris lumbricoides)
presentation
transmission

Answer 2

ileocecal valve obstruction

fecal oral–eggs visible under microscope

Question 3

Threadworm (Strongyloides stercoaralis)
presentation
transmission

Answer 3

vomiting, diarrhea, epigastric pain

larvae in soil penetrate skin

Question 4

Hookworm (Ancylostoma duodenale, Necator americanus)
presentation
transmission

Answer 4

iron-deficiency anemia

larvae penetrate skin

Question 5

Trichinella spiralis
presentation
transmission

Answer 5

fever, vomiting, nausea, periorbital edema, myaliga

undercooked meat, fecal-oral (goes into striated muscle)

Question 6

Fish tapeworm (Diphyllobothrium latum)
presentation
transmission

Answer 6

B12 deficiency

in fish

Question 7

Taenia solium
presentation
transmission

Answer 7

intestinal tapeworm, neurocysticercosis

undercooked pork, fecal-oral if in brain

Question 8

Echinococcus granulosus
presentation
transmission

Answer 8

cysts in liver–anaphylaxis if ruptures

fecal-oral of dog/sheep feces