Protozoa (cont.) Flashcards
What protozoa is a sexually transmitted infection?
Trichomonas Vaginalis
Flagellated protozoa?
Trichomonas Vaginalis
Symptoms of infection with Trichomonas Vaginalis in men?
Asymptomatic
Symptoms of infection with Trichomonas Vaginalis in women?
Malodorous discharge, dysuria, pruritus
Common cause of vaginal complaints in reproductive aged women?
Trichomonas Vaginalis
How do you diagnose Trichomonas Vaginalis?
Wet mount
What is the reservoir for Toxoplasma Gondii?
Cats
Cats are the reservoir for what protozoa?
Toxoplasma Gondii
Infection with Toxoplasma Gondii is due to?
Cat feces
What population should avoid Cat feces?
Pregnant women
– Toxoplasma Gondii
Symptoms of infection with Toxoplasma Gondii?
Congenital abnormalities and stillbirth
What can Toxoplasma Gondii cause in HIV patients?
Encephalitis and Chorioretinitis
What is the main Vector Transmitted Protozoa?
Malaria (plasmodium species)
What transmits Malaria (plasmodium species)
Mosquito bites
Where is Malaria common?
Tropics; Africa
Malaria usually infects what?
RBCs and liver
How do you diagnose Malaria?
Peripheral blood smear
If a ring forms on peripheral blood smear, that means?
Malaria
4 common types of Malaria?
Plasmodium Falciparum
Plasmodum vivax and ovale
Plasmodium malariae
Plasmodium knowlesi
What is the most common and most aggressive form of Malaria?
Plasmodium Falciparum
In what Malaria types does the fever appear in 48 hour intervals?
Plasmodium Falciparum
Plasmodium Vivax and Ovale
Symptoms of infection with Plasmodium Falciparum?
Brain Dysfunction
= seizures, coma, death
Seizures, coma, death is due to which Malaria type?
Plasmodium Falciparum (most common)
Symptoms of infection with Plasmodium Vivax and Ovale?
Hepatosplenomegaly with splenic rupture
Hepatosplenomegaly with splenic rupture is due to which Malaria type?
Plasmodium Vivax and Ovale
Which Malaria type has a 72 hour fever interval?
Plasmodium Malariae
Plasmodium Malariae fever interval?
72 hours
Which form of Malaria is common in SE Asia?
Plasmodium Knowlesi
Plasmodium Knowlesi is common where?
SE Asia
What does infection with Plasmodium Knowlesi cause?
Severe illness
Sickle cell trait is protective against which form of Malaria?
Plasmodium Falciparum
What is protective against Plasmodium Falciparum?
Sickle cell trait
Lack of Duffy RBC antigens is protective against which forms of Malaria?
Plasmodium Vivax and Plasmodium Knowlesi
What is protective against Plasmodium Vivax and Plasmodium Knowlesi?
Lack of Duffy RBC antigens
Lack of Duffy RBC antigens does not allow?
Malaria to bind
In what populations are sickle cell trait and lack of duffy RBC antigens more common?
Africans
African Americans
