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DAILY FREE MCQ CHALLENGE for Medical PG Preparation
Question
Which of the following protozoa can affect eye?
A. G.lamblia
B. E.coli
C. Toxoplasmosis
D. E.histolytica
TIPSImportant Question from AIIMS 2012
See Answer Here
C. Toxoplasmosis
See Explanation Here
A
TOXOPLASMOSIS
- Toxoplasmosis is a protozoan infection caused by Toxoplasma gondii, derived mainly from cats (definitive host). Humans and other animals (cattle, sheep and pigs) are intermediate hosts.
- The disease primarily affects central nervous system (brain and retina).
The oocysts of Toxoplasma affect both the retina and choroid to produce a chorioretinitis. It is probable that in infants the primary site is most often the retina which is involved in association with the brain.
References
Page no:242, Chapter: Diseases of the Uveal Tract, Parsons’ Diseases Of The Eye/ 21e; Page no: 174, Chapter: Diseases of the Uveal tract, Ophthalmology by A. K. Khurana/ 3e.
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