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Microbiology and Immunology > Lecture 7 > Flashcards

Lecture 7 Flashcards

1
Q

How many protozoan parasites are there

A

6

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2
Q

Name all the protozoan parasites

A

Giardia lamblia
Trichomonas vaginalis
Toxoplasma gondii
Plasmodium spp.
Cryptosporidium spp. (C.parvum)
Cyclospora cayetanensis

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3
Q

Name all the metazoan parasites

A

Enterobius vermicularis
Trichinella spp.
Diphyllobothrium
Taenia
Schistosoma spp.

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4
Q

Failure to thrive in young children can be associated with what parasite

A

Giardia lamblia

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5
Q

True or false:
Most Giardia lamblia infections are asymptomatic

A

True

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6
Q

What is the most common protozoan infection of intestinal tract worldwide

A

Giardia lamblia

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7
Q

What form of microscopy should be used to find giardia lamblia

A

Bright field microscopy

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8
Q

What are the three different forms of testing for giardia lamblia

A

String test
Microscopy
Immunological testing

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9
Q

Can you treat giardia lamblia

A

Yes

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10
Q

True or false:
Giardia lamblia can be water borne, food borne and transmitted faecal-orally

A

True

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11
Q

Name 3 ways giardia lamblia can be transmitted

A

Water
Food
Faecal matter

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12
Q

What is the most common sexually transmitted disease worldwide

A

Trichomonas vaginalis

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13
Q

How is trichomonas vaginalis transmitted

A

Through mucus membrane contact

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14
Q

Infection of trichomonas vaginalis during pregnancy can cause what

A

Premature delivery
Low birth weight

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15
Q

Can trichomonas vaginalis be treated

A

Yes

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16
Q

What parasite has cats as the definitive host

A

Toxoplasma gondii

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17
Q

What are three ways of transmission of toxoplasma gondii

A

Ingestion of sporulated oocysts
Ingestion of tissue cycsts
Congenital infection of fetus

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18
Q

Can toxoplasma gondii cause congenital infections

A

Yes

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19
Q

What parasite causes malaria

A

Plasmodium spp.

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20
Q

What parasite can cause issues in the lymph nodes

A

Toxoplasma gondii

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21
Q

Spiking fever and chills can be attributed to what parasite

A

Plasmodium spp.

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22
Q

How is plasmodium parasites diagnoses

A

Thin blood smears

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23
Q

Name 3 protozoan parasites that cause issues in pregnancies

A

Trichomonas vaginalis
Toxoplasma gondii
Plasmodium spp.

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24
Q

Plasmodium causes what disease

A

Malaria

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25
Who are the intermediate hosts/vectors for plasmodium spp.
Mosquitoes
26
What is the most common symptom of cryptosporidiosis
Watery diarrhea
27
Is there a drug treatment for cryptosporidium
Nope :(
28
Name an obligate intracellular protozoan
Cryptosporidium
29
What protozoan infects the intestinal epithelial cells of the host
Cryptosporidiium
30
What is the most prevalent mode of transmission of cryptosporidium
Water
31
Name one species of cryptosporidium
Cryptosporidium parvum
32
Autoinfection can be attributed to what protozoan parasite
Cryptosporidium parvum
33
Name 5 ways of transmission of Cryptosporidium parvum
Person-person Autoinfection Zoonotic Foodborne Water borne
34
What are important reservoir hosts for cryptosporidium parvum
Cattle
35
Name one coccidian protozoan parasite
Cyclospora cayetanensis
36
What does cyclospora cayetanensis cause
Cyclosporiasis
37
What is the infectious dose for cyclosporiasis
A low one
38
What is the incubation period for cyclosporiasis
About one week
39
Name the parasite: Low infectious dose Person-person and zoonotic transmission unlikely
Cyclospora cayetanensis
40
Majority of cases of cyclosporiasis in the US are transmitted how
Food borne
41
Cyclosporiasis can be attributed to what parasite
Cyclospora cayetanensis
42
What is the technical name for pinworm
Enterobius vermicularis
43
What is the common name for enterobius vermicularis
Pinworm
44
How do we diagnose pinworm
Scotch tape test on the butt
45
What is the technical name for roundworm
Trichinella spp.
46
What is the common name for Trichinella spp.
Roundworm
47
How is trichinella transmitted
Ingestion of larvae
48
What parasite's larvae can work its way into your muscles
Trichinella spp.
49
Trichinosis is caused by what parasite
Trichinella
50
Trichinella causes what dieases
Trichinosis
51
What is the technical name for a broad fish tapeworm
Diphyllobothrium spp.
52
What is the common name for Diphyllobothrium spp.
Broad fish tapeworm
53
Where does diphyllobothrium prefer to live
In fish
54
How long does the Diphyllobothrium tapeworm get
10m long
55
What parasite can cause pernicious anemia
Diphyllobothrium spp. aka broad fish tapeworm
56
What is a Taenia parasite
A large tapeworm
57
The adult stages of a Taenia parasite is found only in what species
Humans
58
What speicies of Taenia parasite can cause brain issues
Taenia solium
59
What is the name of the neural issues caused by Taenia spp.
Neurocysticercosis
60
Are Taenia spp. rare or common in Canada
Rare
61
What is the common name for Schistosoma spp.
Blood flukes
62
What is the technical name for blood flukes
Schistosoma spp.
63
What insect are the major intermediate hosts with Schistosoma spp.
Snails
64
What does Schistosoma spp attack
Liver and lymph nodes
65
What is special about the transmission of Schistosoma spp.
It can penetrate the skin without need for a vetor
66
What does Trichinosis affect
Heart Central nervous system
67
Do younger or older cats shed more Toxoplasma gondii oocysts
Younger
68
Humans are the intermediate hosts for what parasite
Taenia solium
69
Where are trichinella spp. larvae encysted
Striated muscle
70

Microbiology and Immunology (10 decks)

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