Protozoa/Helminths — Flashcards

Flashcard 71: Opportunistic infections with Cryptosporidium are seen with _____ syndrome, most commonly caused by a defective CD40L

Answer: Hyper-IgM

Extra: Watch associated Bootcamp video [Immunology]

Flashcard 72: Hookworms, a helminth, enter the _____ through the _____, making their way to the lungs; mucociliary escalator eventually causes them to be swallowed into the GI tract

Answer: blood

Flashcard 73: The motile trophozoites of Trichomonas vaginalis are said to be '_____-shaped'

Answer: pear

Flashcard 74: Where (geographically) does Chagas Disease predominantly occur? _____

Answer: South America

Flashcard 75: Ascaris lumbricoides is a helminth that can result in _____ syndrome (_____ pneumonitis)

Answer: Loeffler's

Flashcard 76: Diagnosis of Cryptosporidium occurs via microscopy of stool samples, with visualization of _____ oocysts

Answer: acid-fast

Flashcard 77: How is Chagas Disease (Trypanosoma cruzi) transmitted? _____

Answer: Reduviid bug (aka the "kissing bug") feces

Flashcard 78: Which strain(s) of Plasmodium produce dormant hypnozoites in the liver? _____

Answer: Plasmodium vivax; Plasmodium ovale

Flashcard 79: Which protozoa is often associated with water-sports? _____

Answer: Naegleria fowleri

Flashcard 80: How is Babesiosis (Babesia spp.) transmitted? _____

Answer: Ixodes tick

Extra: Ixodes scapularis this tick also spreads Borrelia burgdorferi (Lyme disease) and Anaplasma phagocytophilum (human granulocytic anaplasmosis)