Opportunists

Question 1

An obligate, intracellular parasite found inside the reticulo-endothelial cells &many other
nucleated cells

Answer 1

T.gondii

Question 2

Primary host of T.gondii

Answer 2

Cat

Question 3

Intracellular, extracytoplasmic location of
the small intestine; less
frequently in the stomach,
large intestine and lungs

Answer 3

Cryptosporidium parvum

Question 4

OOCYST does not stain with
iodine and is acid-fast

Answer 4

Cryptosporidium parvum

Question 5

Causes diarrheal
syndrome in AIDS
patients

Answer 5

Isospora belli

Question 6

unicellular obligate
intracellular parasites.

Answer 6

Microsporidia

Question 7

In normal host it causes self-limiting infection with abdominal pain and diarrhea lasting 3-4days

Answer 7

Cyclospora cayatanensis

Question 8

In AIDS patients ,diarrhea persists for 12 weeks or more

Answer 8

Cyclospora cayatanensis

Question 9

Spores stain poorly with
H&E but can be better
visualized with Gram, acid-fast, periodic acid- Schiff, Giemsa or
modified trichrome
stains

Answer 9

Microsporidia

Question 10

Means “hospital infection” or hospital-associated infection
 A.k.a. infection developing in a patient after admission to t

Answer 10

Nosocomial

Question 11

Nosocomial Infections in Pedia

Answer 11

C. parvum
G. lamblia

Question 12

T.brucei gambiense
T. brucei rhodesiense

Answer 12

Nosocomial Blood & Tissue Infections

Question 13

H. nana

Answer 13

Nosocomial gastrointestinal

Question 14

L. donovani

Answer 14

Nosocomial Blood & Tissue Infections

Question 15

originally called cyanobacterium-like body

Answer 15

Cyclospora cayatanensis