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MOD > Protozoa - Diarrhea and Meningoencephalitis Causing > Flashcards

Protozoa - Diarrhea and Meningoencephalitis Causing Flashcards

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
Q

Naegleria Fowleri causes death usually within ____

A

1 week

26
Q

Acanthamoeba contaminates?

A

Sterile solutions

27
Q

Symptoms of infection with Acanthamoeba?

A

Contact lens Keratitis and Chronic Meningoencephalitis

28
Q

What protozoa can cause contact lens keratitis?

A

Acanthamoeba

29
Q

Symptoms of infection with Balamuthia?

A

Skin lesions and Chronic Meningoencephalitis

30
Q

What protozoa can cause skin lesions?

A

Balamuthia

31
Q

Which free-living amoeba cause chronic meningoencephalitis?

A

Acanthamoeba

Balamuthia

32
Q

Which free-living amoeba cause acute meningoencephalitis?

A

Naegleria Fowleri

MOD (68 decks)

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