General Parasitology and Protozoa
Giardia lamblia; (DNB June 2009)
|A||Is the only flagellate parasite without a cystic stage|
|B||Infection occurs by ingestion of trophozoite in food or water|
|C||Is the only protozoan parasite found in the lumen of small intestine|
|D||May sometimes invade the blood stream and cause ectopic lesions|
Infection occurs by ingestion of quarinucleate cyst in food or water.
Trichomonas is the only flagellate parasite without a cystic stage.