Parasitology — Flashcards

Flashcard 101: _____ oocysts can be visualized with an Acid-Fast (Ziehl-Neelsen) stain

Answer: Cryptosporidium

Flashcard 102: _____ to 25 cysts (#) are required for Giardia lamblia (G. lamblia) infection.

Answer: 10

Flashcard 103: Clonorchis: _____ are the first intermediate host and Fish are the second intermediate host.

Answer: Snails

Flashcard 104: Ingestion of _____ in undercooked beef or pork results in taeniasis (intestinal infection)

Answer: Taenia cysticerci (larvae)

Extra: Note: Ingestion of T. solium eggs via contaminated water/food (fecal-oral route) results in cysticercosis (tissue infection), whereas ingestion of larvae (cysticerci) in undercooked meat results in taeniasis (intestinal infection).

Flashcard 105: _____ medium is used for the culture of Trypanosoma and Leishmania

Answer: NNN (Novy, McNeal, and Nicolle)

Flashcard 106: Which helminth is associated with consumption of undercooked crab meat infected with _____ larvae?Paragonimus westermani (lung fluke)

Answer: metacercariae

Flashcard 107: _____ dye test is gold standard for the diagnosis of Toxoplasmosis.

Answer: Sabin Feldman

Flashcard 108: The _____ mosquitoes carry sporozoites of Plasmodium spp. in their saliva

Answer: anopheles

Flashcard 109: Bile-stained eggs can be remembered by the mnemonic **TAT**: _____, **A**scaris lumbricoides, and **T**aenia species.

Answer: **T**richuris trichiura

Flashcard 110: Hookworms, a helminth, enter the _____ through the feet, making their way to the lungs; mucociliary escalator eventually causes them to be swallowed into the GI tract

Answer: blood