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Block 6 Week 5 > Parasitology Table: Nematodes > Flashcards

Parasitology Table: Nematodes Flashcards

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1
Q

What is the common name for Enterobius vermicularis?

A

pinworm

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2
Q

What is the infective form of Enterobius vermicularis?

A

embryonated egg

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3
Q

What is the transmission method for Enterobius vermicularis? What is the non-human host?

A

fecal-oral; none

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4
Q

What is the habitat in humans for enterobius vermicularis?

A

colon

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5
Q

What is the disease/pathology caused by Enterobius vermicularis?

A

mild GI symptoms; pruritis ani (scratching may lead to cellulitis)
**autoinfection may occur if eggs hatch and larvae migrate back into the colon

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6
Q

What is the diagnostic method for Enterobius vermicularis?

A

scotch-tape eggs/adults

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7
Q

What drugs are used for Enterobius vermicularis?

A

pyrantel pamoate

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8
Q

What is the common name for Trichuris trichiura?

A

whipworm

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9
Q

What is the infectious form for Trichuris trichiura?

A

embryonated egg

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10
Q

What is the transmission method for Trichuris trichiura? What is the non-human host?

A

fecal-oral; none

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11
Q

What is the habitat for Trichuris trichiura?

A

colon

rectum

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12
Q

What is the disease/pathology caused by Trichuris trichiura?

A

acute dysentery
chronic hemorrhagic colitis
rectal prolapse

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13
Q

What is the diagnostic method for Trichuris trichiura?

A

stool exam for egg

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14
Q

What is the medication of choice for Trichuris trichiura?

A

medendazole

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15
Q

What is the common name for Ascaris lumbricoides?

A

ascariasis

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16
Q

What is the infectious for of Ascaris lumbricoides?

A

embryonated egg

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17
Q

What is the transmission method of Ascaris lumbricoides? What is the non-human host?

A

fecal-oral; none

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18
Q

What is the habitat for Ascaris lumbricoides?

A

small intestine

bile ducts

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19
Q

What is the disease/pathology caused by Ascaris lumbricoides?

A

abdominal distress

intestinal obstruction

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20
Q

What is the diagnostic method for Ascaris lumbricoides?

A

stool exam for egg

eosinophilia

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21
Q

What is the drug of choice for Ascaris lumbricoides?

A

albendazole

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22
Q

What is the common name for Ancylostoma duodenale and Necator americanus?

A

hookworms

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23
Q

What is the infective form of Ancylostoma duodenale and Necator americanus?

A

3rd stage filariform larva

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24
Q

What is the method of transmission of Ancylostoma duodenale and Necator americanus? What is the non-human host?

A

skin contact; none

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25
What is the habitat for Ancylostoma duodenale and Necator americanus?
small intestine
26
What is the disease/pathology caused by Ancylostoma duodenale and Necator americanus?
anemia **like 7 mil L of blood lost per day GI symptoms edema ascites
27
What is the diagnostic method for Ancylostoma duodenale and Necator americanus?
stool exam for egg
28
What is the drug of choice for hookworms?
mebendazole, albendazole | iron supplementation
29
What is the common name for Strongyloides stercoralis?
strongyloidiasis
30
What is the infectious form of Strongyloides stercoralis?
3rd stage filariform larva | **parasitic and free-living form in its life cycle
31
What is the method of transmission for Strongyloides stercoralis? What is the non-human host?
skin contact; reservoirs
32
What is the habitat for Strongyloides stercoralis?
small intestine | systemic
33
What is the disease/pathology caused by Strongyloides stercoralis?
GI symptoms watery, mucous-laden diarrhea autoinfection/hyperinfection
34
What is the diagnostic method for Strongyloides stercoralis?
stool exam for LARVAE | eosinophilia
35
What is the drug of choice for Strongyloides stercoralis?
ivermectin
36
What is the common name for Trichinella spiralis?
trichinosis
37
What is the infectious form of Trichinella spiralis?
encysted larva
38
What is the transmission method of Trichinella spiralis? What is the non-human host? What is the habitat in humans?
uncooked meat; reservoirs; striated muscle
39
What is the disease/pathology caused by Trichinella spiralis?
myositis | systemic inflammation
40
What is the diagnostic method for Trichinella spiralis?
muscle biopsy | serology
41
What drugs are used to treat Trichinella spiralis?
mebendazole | corticosteroids (for muscle inflammation)
42
What is the common name for Wuchereria bancrofti?
lymphatic filariasis
43
What is the infectious form of Wuchereria bancrofti?
3rd stage filariform larva
44
What is the transmission method of Wuchereria bancrofti? What is the non-human host?
mosquito bite; mosquito
45
What is the habit for Wuchereria bancrofti?
lymphatics | blood
46
What is the disease/pathology caused by Wuchereria bancrofti?
lymphangitis fever elephantiasis
47
What is the diagnostic test for Wucereria bancrofti?
blood film for microfilaria
48
What is the drug of choice for Wuchereria bancrofti?
diethylcarbamazine
49
What is the common name for Onchocerca volvulus?
river blindness
50
What is the infectious form of Onchocerca volvulus?
3rd stage filariform larva
51
What is the transmission method for Onchocerca volvulus? What is the non-human host?
black fly bite; mosquito
52
What is the habitat for Onchocerca volvulus?
lymphatics | blood
53
What is the habitat for Onchocerca volvulus?
skin lymphatics eye (microfilaria)
54
What is the disease/pathology caused by Onchocerca volvulus?
lymphangitis fever elephantiasis sclerosing keratitis
55
What is the diagnostic method for Onchocerca volvulus?
blood film for microfilaria
56
What is the drug of choice for Onchocerca volvulus?
ivermectin
57
What is the common name for Dracunculus medinensis?
Guinea worm
58
What is the infectious form of Dracunculus medinensis?
3rd stage filariform larva
59
What is the transmission method of Draculunculus medinensis? What is the non-human host?
contaminated water; copepod
60
What is the habitat for Draculunculus medinensis?
viscera and skin
61
What is the disease/pathology caused by Draculunculus medinensis?
skin ulcer/inflammation
62
What is the diagnostic method for Draculunculus medinensis?
identify adult female worm
63
What is the med of choice for Draculunculus medinensis?
mebendazole

Block 6 Week 5 (11 decks)

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