Protozoa - Diarrhea and Meningoencephalitis Causing Flashcards

(32 cards)

1
Q

Protozoa are _____

A

Unicellular

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2
Q

Unicellular parasites?

A

Protozoa

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3
Q

What are 3 Diarrhea causing Protozoa?

A

Entamoeba Histolytica
Giardia Lamblia
Cryptosporidium Parvum

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4
Q

What are 3 Diarrhea causing Protozoa?

A

Entamoeba Histolytica
Giardia Lamblia
Cryptosporidium Parvum

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5
Q

How is Entamoeba Histolytica transmitted?

A

Fecal-oral transmission

- Diarrhea causing

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6
Q

Symptoms of infection with Entamoeba Histolytica?

A

Typically Asymptomatic

= Can cause bloody diarrhea and liver abscesses

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7
Q

Bloody diarrhea and Liver abscesses is due to which protozoa?

A

Entamoeba Histolytica

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8
Q

In what is Giardia Lamblia present?

A

Sewage contaminated food and water

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9
Q

What is the reservoir for Giardia Lamblia?

A

Beavers and rodents

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10
Q

What prevents proper digestion of Giardia Lamblia?

A

Small intestine

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11
Q

Symptoms of infection with Giardia Lamblia?

A

Fatty, Malodorous Diarrhea with intermittent watery diarrhea

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12
Q

Fatty, Malodorous Diarrhea is due to which protozoa?

A

Giardia Lamblia

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13
Q

Which form of Cryptosporidium Parvum is infective?

A

Acid-fast Oocyst form

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14
Q

Where is Cryptosporidium Parvum usually found?

A

Sporadic WATER outbreaks - swimming pools

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15
Q

Symptoms of infection with Cryptosporidium Parvum in immunocompetent people?

A

Self limited, 10-14 days of watery diarrhea and abdominal pain with nausea and vomiting

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16
Q

Self limited, 10-14 days of watery diarrhea with abdominal pain and nausea is due to which protozoa?

A

Cryptosporidium Parvum in immunocompetents

17
Q

Symptoms of infection with Cryptosporidium Parvum in HIV patients?

A

Persistent diarrhea and significant wasting

18
Q

What do the Free-living Amoeba Protozoas cause?

A

Meningoencephalitis

19
Q

What are the 3 Free-living Amoeba that cause Meningoencephalitis?

A

Naegleria Fowleri
Acanthamoeba
Balamuthia

20
Q

What are the 3 Free-living Amoeba that cause Meningoencephalitis?

A

Naegleri Fowleri
Acanthamoeba
Balamuthia

21
Q

Where is Naegleria Fowleri found?

A

FRESH WATER - lakes, ponds, canals

22
Q

What is infection with Naegleria Fowleri associated with?

A

Traumatic implantation of water toward the cribriform plate - water skiing, diving, etc

23
Q

Implantation of water toward the cribriform plate due to water skiing or diving is associated with?

A

Naegleria Fowleri

24
Q

Symptoms of infection with Naegleria Fowleri?

A

Acute Meningoencephalitis - seizures, mental changes, death

25
Naegleria Fowleri causes death usually within ____
1 week
26
Acanthamoeba contaminates?
Sterile solutions
27
Symptoms of infection with Acanthamoeba?
Contact lens Keratitis and Chronic Meningoencephalitis
28
What protozoa can cause contact lens keratitis?
Acanthamoeba
29
Symptoms of infection with Balamuthia?
Skin lesions and Chronic Meningoencephalitis
30
What protozoa can cause skin lesions?
Balamuthia
31
Which free-living amoeba cause chronic meningoencephalitis?
Acanthamoeba | Balamuthia
32
Which free-living amoeba cause acute meningoencephalitis?
Naegleria Fowleri