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

1/12

Click to flip

12 Cards in this Set

  • Front
  • Back
What's the difference between Cryptosporidium and Cryptococcus?
Cryptosporidium is a intestinal sporozoan.
Cryptococcus is a yeast parasite.
What distinguishes Babesiosis from Malaria infections?
Babesia smears lack pigmentation and have a "tetrad" characteristic.
Clinically, Babesiosis has a NON-periodic fever.
What's the definitive host for Toxoplasma gondii?
Kitties.
What are the three infection routes for Toxo?
1. Fecal-Oral: ingestion of oocysts from cat poop. Infectious in two days. Clean the litter box more often.
2. Vertically: transplacental innoculation
3. Ingestion: Eating meat contaminated with bradyzoites
Where does Toxoplasma harbor in the cat?
Intracellularly in the cat intestine.
What are the two life cycle stages of Toxo in humans?
1. Tachyzoites: acute infection
2. Bradyzoites: intracellular/latent infection
How does a latent Toxo infection become problematic?
Reactivation during periods of immuno-compromise. AIDS pts susceptible to Toxoplasmic Encephalitis
When is a Toxo infection harmful in pregnancy?
Acute infection of a pregnant woman:
1st Tri: abortion or stillbirth
2nd+ Tri: Neural complications
What MRI pattern is characteristic of Cerebral Toxoplasmosis?
Single focal lesion
What intracellular GI zoonotic is found in the majority of N. American surface water?
Cryptosporidium ssp.
Who is at risk for Crypto infection?
ICZ and children
What diarrheal illness may result from eating contaminated fruit?
Cyclosporiasis. Clinically indistinguishable from Crypto and Iso