Protozoa (cont.) Flashcards

(36 cards)

1
Q

What protozoa is a sexually transmitted infection?

A

Trichomonas Vaginalis

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2
Q

Flagellated protozoa?

A

Trichomonas Vaginalis

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3
Q

Symptoms of infection with Trichomonas Vaginalis in men?

A

Asymptomatic

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4
Q

Symptoms of infection with Trichomonas Vaginalis in women?

A

Malodorous discharge, dysuria, pruritus

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5
Q

Common cause of vaginal complaints in reproductive aged women?

A

Trichomonas Vaginalis

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6
Q

How do you diagnose Trichomonas Vaginalis?

A

Wet mount

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7
Q

What is the reservoir for Toxoplasma Gondii?

A

Cats

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8
Q

Cats are the reservoir for what protozoa?

A

Toxoplasma Gondii

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9
Q

Infection with Toxoplasma Gondii is due to?

A

Cat feces

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10
Q

What population should avoid Cat feces?

A

Pregnant women

– Toxoplasma Gondii

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11
Q

Symptoms of infection with Toxoplasma Gondii?

A

Congenital abnormalities and stillbirth

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12
Q

What can Toxoplasma Gondii cause in HIV patients?

A

Encephalitis and Chorioretinitis

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13
Q

What is the main Vector Transmitted Protozoa?

A

Malaria (plasmodium species)

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14
Q

What transmits Malaria (plasmodium species)

A

Mosquito bites

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15
Q

Where is Malaria common?

A

Tropics; Africa

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16
Q

Malaria usually infects what?

A

RBCs and liver

17
Q

How do you diagnose Malaria?

A

Peripheral blood smear

18
Q

If a ring forms on peripheral blood smear, that means?

19
Q

4 common types of Malaria?

A

Plasmodium Falciparum
Plasmodum vivax and ovale
Plasmodium malariae
Plasmodium knowlesi

20
Q

What is the most common and most aggressive form of Malaria?

A

Plasmodium Falciparum

21
Q

In what Malaria types does the fever appear in 48 hour intervals?

A

Plasmodium Falciparum

Plasmodium Vivax and Ovale

22
Q

Symptoms of infection with Plasmodium Falciparum?

A

Brain Dysfunction

= seizures, coma, death

23
Q

Seizures, coma, death is due to which Malaria type?

A

Plasmodium Falciparum (most common)

24
Q

Symptoms of infection with Plasmodium Vivax and Ovale?

A

Hepatosplenomegaly with splenic rupture

25
Hepatosplenomegaly with splenic rupture is due to which Malaria type?
Plasmodium Vivax and Ovale
26
Which Malaria type has a 72 hour fever interval?
Plasmodium Malariae
27
Plasmodium Malariae fever interval?
72 hours
28
Which form of Malaria is common in SE Asia?
Plasmodium Knowlesi
29
Plasmodium Knowlesi is common where?
SE Asia
30
What does infection with Plasmodium Knowlesi cause?
Severe illness
31
Sickle cell trait is protective against which form of Malaria?
Plasmodium Falciparum
32
What is protective against Plasmodium Falciparum?
Sickle cell trait
33
Lack of Duffy RBC antigens is protective against which forms of Malaria?
Plasmodium Vivax and Plasmodium Knowlesi
34
What is protective against Plasmodium Vivax and Plasmodium Knowlesi?
Lack of Duffy RBC antigens
35
Lack of Duffy RBC antigens does not allow?
Malaria to bind
36
In what populations are sickle cell trait and lack of duffy RBC antigens more common?
Africans | African Americans