Classification of Sporozoans (I. belli)

Question 1

This parasitic specie is RARELY in humans with infections being confined mainly to tropic regions.

Answer 1

Isospora belli

Question 2

Isospora belli causes what medical condition?

Answer 2

Isosporiasis

Question 3

TRUE OF FALSE: I. belli has has been reported to cause travelers diarrhea in visitors to endemic areas

Answer 3

TRUE

Question 4

TRUE OR FLASE:I I. belli is found most commonly in HIV/AIDs and mimics giardiasis

Answer 4

TRUE

Question 5

This life stage of I.belli exists in the EXTERNAL EVIRONMENT

Answer 5

Oocyst

Question 6

Immature oocyst contains how many sporoblast? Its shape? Structure?

Answer 6

One (1); oblong; tapered at each end

Question 7

Clinical manifestation (immunocompetent); give 2?

Answer 7

~infections resolve themselves with rest and
a mild diet
~asymptomatic
~self-limiting gastroenteritis

Question 8

Clinical manifestation (immunocompromised); give 2?

Answer 8

~severe diarrhea
~self-limiting enteritis

Question 9

This diagnostic method of I. belli demonstrates large oocysts making it the basis for diagnosis?

Answer 9

Microscopy

Question 10

TRUE or FALSE: Repeated stool exam. for I. belli is NOT needed?

Answer 10

FALSE: Repeated stool exams and concentration
procedures are necessary due to the intermittent
and small amounts of oocysts passed on.

Question 11

What are the (2) types of stained prep. for stool concentrates of I. belli?

Answer 11

acid-fast & SAFRANIN TEST

Question 12

This type of microscopy is a very sensitive procedure for the identification of I. belli?

Answer 12

UV microscopy

Question 13

Another term diagnostic procedure that refers to an entero test?

Answer 13

Upper gastrointestinal endoscopy

Question 14

Treatment for I. belli?

Answer 14

Trimethoprim-sulfamethoxazole