Cyclospora

Question 1

T or F. Mos protozoa are free-living

Answer 1

T!
- igest particulates such as bacteria, yeast, algae
….

Question 2

C. belli and C. cayetanensis

Answer 2

• intestinal coccidia nfectin humans
• obligate intraell protozoa

Question 3

common features of Cystoisosporaand Clycospora

Answer 3

• both food and water-borne
• cyst forming
• both within phylum of Apicomplexa
• both coccidian
• both intracellular infections

Question 4

differences between Cystoisopora and cyclospora

Answer 4

morphology
size
sporulation time

Question 5

Cystoisospora first described in..

Answer 5

1915
- more than 200 species but only one = inection in human (C. belli

Question 6

T or F. The clinical signs and symptoms of Cyclospor and Cystoisospora are distinguishable

Answer 6

F!

Question 7

transmisson of Cystoisopora belli

Answer 7

ingestion of contaminated food or by drinking contaminated water with mature oocyst stage

Question 8

where is C. belli found?

Answer 8

found in tropical, subtropical ad warm temperate regions
= travelers?

Question 9

T or F. Oocysts can remain viable for months

Answer 9

T!

Question 10

what is required in the environment before oocysts become infectious

Answer 10

sporulation

Question 11

who does C. belli infect?

Answer 11

immunocompetent and immunocompromised

Question 12

how many stool specimens are needed to diagnose coccidial parasites?

Answer 12

three or more
- collected on subsequent days
- one never enough
- three over ten days?

Question 13

diagnosis of C. belli

Answer 13

• ID of oocysts in wet mounts
• modified acid-fast….