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34 Cards in this Set
- Front
- Back
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Toxoplasma gondii is a what type of virus? |
Apicomplexa |
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Apicomplexa viruses are called |
sporozons
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What disease is caused by toxoplasma gondii? |
Enteric coccidiosis |
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What is the definitive host of toxoplasma gondii? |
Cats |
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What is the main reservoir, of Toxoplasma gondii, in the environment ? |
Cats |
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What animals can be infected with Toxoplasma gondii? |
Most animals including humans and birds |
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Apicomplexa portozoa have a very complex live cycle what are two forms that Toxoplasma gondii takes? |
Oocysts Sporozoites |
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What is the Oocyst stage in Toxoplasma gondii ? |
the infective stage |
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What stage is the sporozoite stage in Toxoplasma gondii ? What is different in the definitive host for this stage? |
sporozoite's are multiply in most hosts but in the cat (definitive host) the sporozoites reproduce |
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In the first stage of the life cycle of Toxoplasma gondii, what is dicharged? from what animal and what is contained? |
Small oocycst are discharged in the cat feces the oocysts contain sporozoites |
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In the second stage of Toxoplasma gondii life cycle how is the animal infected? |
The infective Oocyst are ingested |
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The third stage of Toxoplasma gondii takes place in this part of the body and this happens |
In the intestines the oocysts rupture and releases sporozoites |
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What do the sporozoites do in the 4th stage of infection of Toxoplasma gondii, in what part of the body? |
The sporozoites multiply in the intestines |
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In the forth stage of Toxoplasma gondii infection what happens to the newly multiplied sporozoites where do they go? |
Sporozoites spread to all the tissues including the brain muscle and the live |
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What body part that is infected by sporozoites from Toxoplasma gondii is the most significant? |
The muscle |
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How long are hosts infected with sporozoites from Toxoplasma gondii ? |
For the life of then host |
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What is another way in which Toxoplasma gondii is infective to a host? |
By eating uncooked meat that has been infected with Toxoplasma gondii sporozoites. |
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I the ____ which is the difinitive host of Toxoplasma gondii ______ ____________ to form _______. |
Cat sexual reproduction oocysts |
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In Toxoplasma gondii ____ shed ______ in the _______ |
Cats oocysts feces |
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How is Toxoplasma gondii spread ? |
Transient diarrhea in cats and other animals |
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What is the name of the infection that is zoonotic caused from Toxoplasma gondii and who does it specifically infect? |
Toxoplasmosis in humans but mostly pregnant women it infects the fetus |
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What are the symptoms of Toxoplasmosis? |
In healthy adults may be no symptoms fever, pneumonia and mononucleosis, hepatitis or myocarditis symptoms There may also be pain due to infection of the intestines |
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Toxoplasmosis is usually.. But can have a period of _____ |
self limiting Intestinal upset |
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Toxoplasmosis is most dangerous to what group, and passed by whom? |
Passed by the mother to the fetus cross-placental |
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What is the result of Toxoplasmosis in a human fetus ? |
Cause death, congenital malformation, mental retardation |
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What precaution should pregnant women take to avoid Toxoplasmosis? |
Pregnant women should avoid cleaning cat little boxes. Or use mask and gloves |
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What animal transmits Toxoplasma gondii which causes Toxoplasmosis? |
Cat, litter boxes |
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How is Toxoplasma gondii transmitted? |
Fecal-oral And eating uncooked or raw meat |
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A cat that is infected with Toxoplasma gondii will excrete up to __ _______ _____ per ____ |
Ten Million Oocysts day |
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In what form and for how long does Toxoplasma gondii survive in the environment ? |
Oocysts may survive many months in the environment |
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How is Toxoplasma gondii diagnosed ? |
Oocysts in the feces |
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What percentage of the population has been exposed to Toxoplasma gondii? |
1/3 |
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What type of meat exposed to Toxoplasma gondii is usually the most infective? |
Pork |
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What other animals is toxoplasmosis known to infect the fetus? |
Sheep and Goats |
