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Flashcards in Helminths Deck (76)
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1
Q

Pinworm is caused by

A

Enterobius

2
Q

Worm which lays eggs in the anus

A

Enterobious

3
Q

Transmission of enterobius

A

Fecal Oral route (Self-infection)

4
Q

Diagnosis of enterobius

A

Scotch tape test

5
Q

Treatment of Enterobius

A

Pyrantel pamoate / Albendazole

6
Q

Hookworms are

A

Ancyclostoma duodenale

Necator americanus

7
Q

Hookworm mode of transmission

A

Penetrate skin of soles of feet, then ascend to lungs, cough up, swallowed, matures in small intestine

8
Q

Manifestations of hookworm infectiion

A

Iron deficiency anemia

9
Q

Diagnosis of hookworm

A

Stool test, look for eggs

10
Q

Treatment of Hookworm

A

Pyrantel pamoate

11
Q

Transmission of ascaris

A

Ingestion of eggs in contaminated food, migrates to lungs, then mature, swallowed again

12
Q

Clinical manifestations of Ascariasis

A

Respiratory symptoms
Malnutrition
Intestinal obstruction

13
Q

Diagnosis of ascariasis

A

Eggs in stool

14
Q

Treatment of Ascariasis

A

Albendazole

15
Q

Transmission of Strongyloides

A

Penetrates soles of feet –> lungs –> swallowed in GI tract

16
Q

Nematode capable of autoinfection

A

Strongyloides - eggs rhatch and repenetrate inside

17
Q

Diagnosis of strongyloides

A

Stool test - LARVAE. not eggs

18
Q

Treatment of Strongyloides

A

Albendazole, Ivermectin

19
Q

Trichinella spiralis is found in

A

Undercooked meat

20
Q

Symptoms of trichinella infection

A

Periorbital edema, vomiting, fever, sweating, myalgia

21
Q

Transmission of Trichinella

A

Ingestion –> larvbae enter muscle and form cysts within striated muscle

22
Q

Trearment of Trichinella

A

Albendazole

23
Q

Dracunculus medinensis infection mode

A

Drinking infected water with copepods containing larvae

24
Q

Intermediate host of dracunculius

A

Copepods

25
Q

Manifestaition of dracunculus

A

Painful skin ulcer with worm coming out

26
Q

Treatment of dracunculus

A

Metronidazole

Manual extraction of worm bny wrapping around stick

27
Q

Onchocerca volvulus intermediate host

A

Black fly

28
Q

Manifestation of Onchocerca volvulus

A

Hyperpigmented and hypopigmented papules with onchodermatitis, blindness

29
Q

River blindness is caused by

A

Onchocerca volvulus

30
Q

Stage of Onchocerca volvulus larva which circulates in the body

A

Microfilaria

31
Q

Diagnosis of Onchocerca volvulus

A

Microfilaria in skin biopsy

32
Q

Treatment of Onchocerca volvulus

A

Ivermectin

33
Q

Clinical manifestations of Wuchereria bancriofti

A

Lymphadenopathy
Cough
Elephantiasis

34
Q

Intermediate hoset of Wuchereria bancrofti

A

Mosquito

35
Q

diangosis of Wuchereria bancrofti

A

Thick smear

36
Q

Treatment of Wuchereria

A

Diethylcarbamazine

37
Q

Toxocara canis transmission

A

Food ingestion contaminated wityh dog or cat feces

38
Q

Visceral larva migrans is caused by

A

Toxocara canis

39
Q

Manifestations ofvisceral larva migrans

A

Blindness

40
Q

Treatment of toxocara canis

A

Albendazole

41
Q

Transient angioedema is caused by

A

Loa Loa

42
Q

Adult worms migratihng across conjunctiva is

A

Loa loa

43
Q

Vector of Loa Loa

A

Deer flies

44
Q

Treatment of Loa Loa

A

Diethylcarbamaxzine, albendazole

45
Q

Taenia transmission

A

Ingestion of undercooked meat
Saginata - cattle
Solium - pig

46
Q

Hooks on proglottid head is present on which Taenia

A

Taenia solium

Taenia saginata has no hook

47
Q

Neurocysticercosis is caused by

A

Taenia solium and Saginata, when Eggs are ingested

48
Q

Ingestion of cysts vs Ingestion of Eggs of Taenia

A

Cysts - causes taeniasis - malabsorption, GI upset

Eggs - neurocysticercosis

49
Q

Treatment of Taenia

A

Praziquantel

If neuro - add albendazole

50
Q

Fish tapeworm

A

Diphyllobothrium latum

51
Q

Manifestation of D. latum

A

Diarrhea, Vitamin B12 deficiencymegaloblastic anemia,

52
Q

Largest tapeworm(longest)

A

D. latum

53
Q

Diagnossis of D. latum

A

Proglottid segments seen on stool tests

54
Q

Treatment of D. latum

A

Praziquantel, Niclosamide

55
Q

Sheep Tapeworm

A

Echinococcus granbulus

56
Q

Definitive host of Echinococcus

A

Dog

57
Q

Intermeidiate host of Echinococcus

A

Sheep

58
Q

Incidental host of Echinococcus

A

Human - from accidental ingestion of contaminated dog feces

59
Q

Eggshell calcifications on a liver image shows hydatid cyst, typical of what worm

A

Echinococcus

60
Q

Complication of hydatid cyst rupture

A

Acute abdomen and anaphylactic reaction

61
Q

Mode of infection of schistosoma

A

Cercariae infect humans

62
Q

Intermediate host of Schistosoma

A

Snails

63
Q

Schistosoma mansoni, japonicum, vs hematobium

A

Migrate against portal flow

Mansoni and japonicum - Liver

Hematobium - bladder

64
Q

Morphology of schistosoma mandoni and japonicum (spines)

A

Mansoni - large, lateral

Japonicum - small spine

Hematoibium - large spine

65
Q

Symptoms of Schistosoma

A

Swimmer’s itch

Man and Jap - Portal hypertension, GI bleed, cirrhosis

Hem - hematuria, bladder cancer

66
Q

Chinese liver fluke is

A

Clonorchis sinensis

67
Q

Intermediate host of clonorchis

A

Snails

68
Q

Manifestationbs of clonorchis

A

Biliary fibrosis
Cholangiocarcinoma
pigmented gallstones

69
Q

Morphology of clonorchis eggs

A

Operculated

70
Q

Treatment of clonorchis

A

Praziquantel

71
Q

Lung flukes are

A

Paragonimus westermani

72
Q

Manifestations of paragonimiasis

A

Cough with bloody sputum

73
Q

Intermediate host of paragonimus

A

Snail

74
Q

Transmission of lung fluke

A

Ingestion of undercooked crab meat

75
Q

Morphology of eggs of paragonimus

A

Operculated

76
Q

Treatment of paragonuimus

A

Praziquantel