MLT ASCP Clinical Microbiology Board Review
Parasites Questions And Answers Rated (A+)
Quiz :Collection of Parasites Specimens - Answer :Minimum of three stool
specimens, ideally on alternate days. The third specimen should be a Fleet
purged enema unless the stool is already liquid. Collect prior to antibiotics,
barium or any antacids.
Quiz :Enterobius Vermicularis "Pinworm" - Answer :Method of infection:
Ingestion of eggs
Diagnosis: Cellophane tape prep
Quiz :Trichuris trichiura "Whipworm" - Answer :Methods of infection:
Contaminated food/water
Diagnosis: Eggs in feces
Quiz :Ascaris lumbricoides "large intestine Roundworm" - Answer :Method of
infection: Ingestion of eggs
Diagnosis: Recovery of eggs in feces
Quiz :Ancylostoma duodenale & Necator americanus "Hookworm" -
Answer :Method of infection: Penetrate bare skin
Diagnosis: Recovery of eggs in feces
Quiz :Stronglyoides stercoralis "Treadworm" - Answer :Method of infection:
Penetrate bare skin
Diagnosis: Recovery of larvae in feces
Quiz :Taenia saginata (beef) Taenia solium (pork) "Tapeworm" -
Answer :Method of infection: under-cook beef/pork
Diagnosis: Recovery of eggs in feces
Quiz :Diphyllobothrium latum "Broadfish tapeworm" - Answer :Method of
infection: Under-cooked or raw freshwater fish
Diagnosis: Recovery of eggs in feces
***Largest tapeworm, Causes Pernicious Anemia****
Quiz :Hymenolepis nana "Dwarf tapeworm" - Answer :Methods of infection:
Ingestion of eggs
Diagnosis: Recovery of eggs in feces
, ***smallest human tapeworm***
Quiz :Dipylidium caninum "Cat/Dog tapeworms" - Answer :Methods of
infection: Accidental ingestion of adult fleas containing cysticeroid larvae
Quiz :Fasciolopsis buski "Large intestine Fluke"
Fasciola hepatica "Sheep liver Fluke" - Answer :method of infection: Under
cooked plants, water.
Diagnosis Recovery of eggs in feces
***Intermediate Host-snails.****
Quiz :Clonorchis sinensis "Chinese liver fluke" - Answer :Method of infection:
Undercooked freshwater fish
Diagnosis: Recovery of eggs in feces
***Intermediate Host- snail****
Quiz :Schisosome mansoni - Answer :Method of Infection: Penetration of skin
Diagnosis: eggs in feces/urine
Quiz :Schistosome japonicum - Answer :Method of infection: Penetration of
skin
Diagnosis: eggs in feces
Quiz :Entamoeba histolytica - Answer :Pathogenesis: Amebic dysentery
Diagnosis :Elisa, Trophs or cysts in stool
Troph: feeding form
Cyst: infective from
Method of infection: Contaminated food or water
1-4 nuclei
Quiz :Entamoeba coli - Answer :Nonpathogenic Commensal
Troph: feeding form, Non directional motility
Cyst: infective form
4-8 nuclei
Quiz :Entameoba hartmanni - Answer :Nonpathgenic
Troph:feeding form
Cyst: infective form
Quiz :Giardia lamblia - Answer :"Monkey face"
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