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Immunology & Microbiology > Lecture 7 > Flashcards

Lecture 7 Flashcards

Parasites

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Biology 101 flashcards
1
Q

How is giardia lambila diagnosed?

A

immunofloresence Microscopy (stool) and Direct ELISA (search for antigen)

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2
Q

Giardia is mostly caused by what outbreaks and what is the solution

A

Water outbreaks- don’t drink raw surface water/ozone filtration
food borne- food handler, wash produce

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3
Q

What is diagnosis for Trichomonas vaginalis

A

Microscopy from Wet mount

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4
Q

How can you extract toxoplasma gondii

A

From cat feces and contaminated food

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5
Q

What does toxoplasma gondii cause?

A

Congenital problems and lymphadenopathy

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6
Q

How is toxoplasma gondii diagnosed

A

serilogical assay

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7
Q

How is toxoplasma gondii treated

A

Usually goes on away on it own, treated if symptoms become sever/chronic or if paitent is immunocopmetent

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8
Q

What does malaria cause?

A

fever chills.
congential probelms

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9
Q

How is malaria treated

A

drug resistance becoming a serious problem.

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10
Q

What are the notable symptoms of cryptosporidium spp.

A

Water diarrhea (like vibrio cholera) and dehydration, fever, nausea

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11
Q

What is treatment for cryptosporidium spp?

A

No drug treatment available.

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12
Q

What type of parasite is cryptosporidium spp.

A

obligate intracellular protozoan

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13
Q

What is the most common way cryptosporidium spp spread? and other ways

A

WATER most important mode of transmission
through food and water

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14
Q

How is Cryptosporidium parvum spread?

A

from person to person

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15
Q

How is C.parvum diagnosed?

A

wet mounds immunofluorescence

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16
Q

exposure to what causes death to c.parvum oocytes

A

-20 to 60

17
Q

What parasite can be nosocmial infection?

A

Cryptosporidium parvum …caring for
patients with crypto diarrhea; lack of
effective disinfectants against oocysts

18
Q

what does Cyclospora cayetanensis cause

A

Profuse and prolonged diarrhea
Incubation time is 1 week

19
Q

How is Cyclosporiasis diagnosed?

A

microscopic examination of wet mount
stool for oocysts and staining methods

20
Q

how is Cyclosporiasis cayetanensis mainly spread?

A

90-99% of cases in U.S. are foodborne some are waterborne

21
Q

What is the name for tape worm

A

Enterobius vermicularish

22
Q

how are pin worms diagnosed?

A

scotch tape test

23
Q

where are Trichinellosis found and what are the 2 types

A

small round worms found in carnivours and omnivours.
1)Trichinella spiralis: humans
2)Trichinella nativa: wild boars, humans, fox

24
Q

how is Trichinellosis controlled

A

rodent control
avoid garbage feeding livestock

25
Q

what is broad fish tapwarm spp called

A

Diphyllobothrium spp

26
Q

where are Broad fish tapeworm found?

A

Larval stages in freshwater fishes
Transmitted through the consumption of raw or
poorly cooked freshwater fish containing
infective larvae

27
Q

What are symptoms of Diphyllobothrium spp

A

Vitamin B12 deficiency with
pernicious anemia

28
Q

how is Diphyllobothrium spp diagnosed

A

Stool examination for eggs (microscopy)

29
Q

How is Taenia spp. transmmited

A

through ingestion of larvae in
raw or poorly cooked meat

30
Q

Name for – beef tapeworm

A

Taenia saginata

31
Q

Name for –pork tapeworm

A

Taenia solium

32
Q

How are taenia spp diagnosed

A

stool
-Serological techniques

33
Q

How are Taenia spp controled

A

Cooking meat readily kills larvae

34
Q

Symptoms of schistosomiasis

A

Rash, itchyness from penetrating larvae
* fever, lymphadenopathy, hepatosplenomegaly

35
Q

How is schistosomiasis diagnoses

A

stool: Microscopic examination for
eggs in faeces or urine

36
Q

how is schistosomiasis controlled

A

-avoid freshwater
-Spraying with molluscicides
-improved sanitation
-Eliminate habitat for snails which act as
intermediate hosts

Immunology & Microbiology (9 decks)

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