Biology Questions and Answers

(Greg DeLong) #1

Biology Questions and Answers



  1. What is the parasite that
    causes toxoplasmosis? How is
    the disease transmitted and
    what are its typical
    manifestations?


Toxoplasmosisprotozoan Toxoplasma go is caused by thendii, a (^)
sporozoan.
Toxoplasmosisby cats, which are is a disease the definitive htransmittedosts of (^)
the parasite.oocysts in feces; th Cats eliminate toxoe oocysts areplasma
extremely resistant and remain viable
for months in beings are infected when ingestingthe environment. Human
water or food contaminated by oocysts
or when making cocontaminated objects. Humans can alsontact with (^)
become infected animals like pork, cow anby eating meat od sheep, whichf (^)
can be intermediate hosts too. Vertical
transmission, frmay also occur.om mother to offspring,
In toxoplasmosisparasite invades tissues the cystic of the body, form of the
including the brain and the retina. The
infestation is potcongenital toxoplasmosisentially fatal. In the child (^) may
present blindness and mental
retardation. Tsevere when occurhe disease ring as anis especially
opportunistic disease in AIDS patients.
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