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Parasitology > امتحان ٣٩ النهائي > Flashcards

امتحان ٣٩ النهائي Flashcards

1
Q

1 . Definitive host harbours:
A. Adult stage of the worm B. Immature stage
C. Larval stage
D. Egg stage

A

.a

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2
Q
  1. An animal which harbours the parasite in an arrested stage:
    A. Vector
    B. Transport C. Zoonosis D. Pratenic
A

.d

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3
Q
  1. Factors that affect Geographical distribution of the parasite, EXCEPT:
    A. Presence of suitable host
    B. Habitant of the host
    C. Favourable conditions outside the host and socio-economic conditions D. Escape from the host
A

B

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4
Q
  1. Factors to prevent and control parasitic disease include the following, except:
    A. Health education
    B. Environmental sanitation C. Vector control
    D. None
A

.d

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5
Q
  1. Helminths are:
    A. Prokaryotes unicellular organisms B. Prokaryotes multicellular organisms C. Eukaryotes unicellular organisms
    D. eukaryotic multicellular organisms
A

D

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6
Q
  1. Which class does not have a body cavity or an alimentary canal:
    A. Trematodes B. Cestodes
    C. Nematodes E. None
A

.b

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7
Q
  1. Which worm does not cause intestinal obstruction:
    A. Fasciola hepatica
    B. Taenia solium
    C. Taenia saginata
    D. Diphyllobothrium latum
A

.a

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8
Q
  1. Infective stage of Fasciola species is:
    A. Encysted metacercaria on fish
    B. Encysted metacercaria on aquatic plants
A

.b

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9
Q
  1. All the following is correct about fasciola except:
    A. Associated with enlarged tender liver with pain in the right costal margin
    B. Cholangitis and cholecystitis and obstructive jaundice in chronic phase
    C. High grade fever in acute phase
    D. Periductal hypertrophy of adjacent liver tissue and lithiasis of gallbladder in chronic stage
A

.d

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10
Q
  1. Halzoun is due to:
    A. Ingestion of nymph stage of Linguatula serrata B. Ingestion of adult fluke of Fasciola
    C. A&B
A

C

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11
Q
  1. Spurious infection is due to:
    A. Ingestion of infected raw liver
A

A

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12
Q
  1. Habitat of Clonorchis sinensis is:
    A. Liver cells B. Bile ducts
    C. Liver vessels D. GIT
A

B

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13
Q
  1. Which worm is associated with high risk for Adenocarcinoma:
    A. Clonorchis sinesis B. Fasciola hepatica
A

A

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14
Q
  1. Worm that inhabit pockets or cystic stucture adjacent to the bronchi and produces blood tinged sputum with brown eggs:
    A. Heterophyse
    B. Paragonimus
    C. Clonorchis D. Fasciola
A

B

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15
Q
  1. Schistosoma species that are prevalent in Yemen:
    A. S. Haematobium & S. Mansoni B. S. haematobium & S. japonicun
A

A

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16
Q
  1. Schistosoma species that causes gynecological problems is:
    A. S. Haematobium b. S. mansoni
A

A

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17
Q
  1. Intermediate host of Schistosoma jabonicum is:
    A. Pirenella
    B. Bulinus
    C. Biomphalaria D. Oncomelena
A

D

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18
Q
  1. Schistosomulae is:
    A. Cercaria with tail
    B. Cercaria without tail C. Miracidia
A

B

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19
Q
  1. The Schistosoma form responsible for toxic and allergic manifestation is:
    A. Cercaria
    B. Schistosomula C. Egg
    D. Adult
A

B

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20
Q
  1. Bilharzial corpulmonaleis due to:
    A. Pulmonary arterial hypertension due to embolic egg lesion
    B. Pulmonary venous hypertension due to embolic lesion
    C. Pulmonary arterial and venous hypertension sue to embolic lesion
A

A

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21
Q
  1. Regarding schistosoma:
    A. Praziquantel is effective against all species B. Egg is present in pulmonary vessels
A

A

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22
Q
  1. Schistosomal egg travel to the lung because of the following except:
    A. Portal hypertension
    B. Pulmonary hypertention
    C. Portal pressure becomes more than systemic pressure D. Opening of new portosystemic anastamosis
A

B

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23
Q
  1. All are manifestations of acute Schistosoma mansoni except:
    A. Abdominal pain B. Ascites
A

B

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24
Q
  1. Kato thick faecal smear is used for:
    A. Schistosoma haematobium B. Schistosoma mansoni
A

B

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25
Q
  1. Haematourea in Schistosoma is in which stage:
    A. Migration
    B. Invasion
    C. Extrusion
    D. Chronic stage
A

C

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26
Q
  1. Katayama syndrome happens mainly with:
    A. S. Jabonicum B. S. mansoni
A

A

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27
Q
  1. Acute toxoemic Schistosomiasis is due to:
    A. S. Japonicum
A

True

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28
Q
  1. Eggs of Schistosoma escape from veins to perivascular region due to:
    A. Pressure within the venules
    B. Effect of the spine
    C. Oozing lytic secretion of the miracidium within the egg D. All of the above
A

D

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29
Q
  1. Granuloma in tissues damaged by Schistosoma is because of:
    A. Fibrosis around eggs because of antingen shed by miracidium B. Schistosoma toxins
A

A

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30
Q
  1. Swimmer’s itch is due to:
    A. Human Schistosoma
    B. Non-human Schistosoma C. Ancyolstoma duodenale
A

B

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31
Q
  1. Major cause of morbidity in schistosomiasis is:
    A. Migration of adult worms against blood stream B. Maturation of worms to adult stage in liver
    C. Occurrence of embolic lesion
    D. Deposition of eggs in tissue
A

D

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32
Q

32.the region of growth in cestodes is:
A. Scolex
B. Neck
C. Strobila D. Proglottid

A

B

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33
Q
  1. The helminth in which the disease is caused by its adult form:
    A. Diphyllobothrium latum B. Spirometa mansoni
    C. Ecchinococcus granulosus D. Taenia solium
A

A

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34
Q
  1. Man acts as both the definitive and intermediate host to:
    A. Taenia solium B. taenia saginata
A

A

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35
Q
  1. Diphyllobothrium latum intermediate host is :
    A. Dogs
    B. Cats
    C. Fish
    D. Rodents
A

C

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36
Q
  1. All these worms are not endemic in Yemen excep:
    A. Diphyllobothrium latum B. Spirometra Ranarum
    C. Clonorchis sinensis
    D. Ecchinococcus granulosus
A

D

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37
Q
  1. The largest worm of these is
    A. Diphyllobothrium latum B. Taenia solium
    C. Taenia saginata
    D. Hymenolepis nana
A

A

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38
Q
  1. Which form inhabits the villi of intestine:
    A. Procercoid larva
    B. Cytsticercus bovis
    C. Cercocystic cysticercoid D. Cysticercus cellulosae
A

C

39
Q
  1. Anemia of Diphyllobothrium latum is sue to:
    A. Iron deficiency B. Vit B12
    C. Hemorrhage
A

B

40
Q
  1. A Man complain from 1-2 cm white slices coming out with defaction and without it:
    A. Taenia saginata
    B. Taenia solium
A

A

41
Q
  1. Diagnosis of Taenia saginata by the following except:
    A. Compress segments between 2 slides and count the main lateral branches B. Detect eggs or segments in faeces
    C. Hooks and rostellum in faeces
    D. Egg stains by modified ziehl-nelssen stain
A

C

42
Q
    1. Taenia saginata and Taenia solium are similar in many ways, but Taenia solium is more dangerous because:
      a. It has an arranged scolex.
      b. It has fewer uterine branches than T.saginata.
      c. Man can be infected as an intermediate host by eating the eggs
      from T. solium.
      d. The ingested cyst or larvae from pork is more potent than the cyst from beef
A

C

43
Q
  1. Neurological manifestations as dizziness, insomnia and convulsions occur with:
    A. Enterobius Vermicularis B. Hymenolepis nana
    C. Ecchinococcus granulosus D. All of the above
A

D

44
Q
  1. Crayfish, crabs and shrimp act as intermediate hosts for :
    A. Paragonimus
    B. heterophyes heterophyes
A

A

45
Q
  1. Mode of infection by Ecchinococcus granulosus is:
    A. Ingestion of water or vegetables polluted by infected dog faeces
A

True

46
Q
  1. Most hydatid cysts are in
    A. Kidney and liver B. Liver and lung C. Lung and brain D. Brain and liver
A

B

47
Q
  1. Hooks of Ecchinococcus granulosus are found in :
    A. Sputum B. Urine C. Faeces D.A&C
A

D

48
Q
  1. Ultrasonography and CT are important in recognizing:
    A. Unilocular Calcified pulmonary cysts
    B. Multilocular Calcified pulmonary cysts
    C. Uncalcified cysts and of value in follow up in treatment
A

C

49
Q
  1. Complications of rupture of hepatic hydatid cysts include the following except:
    A. Secondary new cysts with hydatid sand + fluid bits of germinal layer are seeded in the peritoneal cavity
    B. Intermittent jaundice
    C. Allergic manifestations up to anaphylactic shock in case of entrance of hydatid material to blood circulation
    D. Allergic manifestations up to anaphylactic shock in case of entrance of hydatid material to peritonium
A

C

50
Q
  1. Route of human infection by alveolar hydatid cyst:
    A. Hand to mouth
    B. Ingestion of eggs on fur of infected dogs while playing with them
    C. Ingestion of eggs hand to mouth through trapping and skinning of foxes and wolves D. Contaminated food or drinks
    With faeces of infected dog
A

C

51
Q
  1. Internal autoinfection occurs in the following except:
    A. Taenia solium
    B. Ecchinococcus granulosus C. Capillaria philippinensis D. Strongyloides stercoralis
A

B

52
Q
  1. Patient with cysticercosis is usually diagnosed by:
    A. Stool test for T. Solium
    B. Stool test for anti T. Saginata eggs C. Blood exam for anti T. Saginata Abs D. CSF test for Anti T. Solium Abs
A

D

53
Q
  1. Nematode that lays mature eggs :
    A. Ascaris
    B. Trichuris
    C. Enterobius D. Ancyolstoma
A

C

54
Q
  1. Intestinal nematodes resist the action of digestive juices by:
    A. Their cuticles
    B. The lytic enzymes C. A&B
A

C

55
Q
  1. Intestinal nemtodes that maintain their position by complete penetration of mucosa include the following except:
    A. Strongyloides
    B. Capillaria
    C. Trinchinella D. Trichuris
A

D

56
Q
  1. Helminths transmitted by soil (Helminthiasis) include the following except:
    A. Ascaris
    B. Trichuris
    C. Enterobius D. Ancyolstoma
A

C

57
Q
  1. Loeffler’s syndrome occurs in the following except:
    A. Ascaris
    B. Ancyolstoma C. Trichuris
    D. Strongyloides
A

C

58
Q
  1. The following helminths undergo migration in human’s lung EXCEPT:
    A. Ascaris
    B. Ancylostoma C. Trichuris
    D. Strongyloides
A

C

59
Q
  1. Ascaris can cause the following except:
    A. Appendicitis
    B. Crawl up and down the GIT C. Dyspepsia
A

D

60
Q
  1. Trichuriasis is characterized by the following except:
    A. Anemia
    B. Dysentery
    C. Rectal prolapse D. dyspepsia
A

D

61
Q
  1. Pruritis ani:
    A. Enterobius b. trichuris
A

A

62
Q
  1. Pica is associatedwith:
    A. Ancyolstoma B. Ascaris
A

A

63
Q
  1. Melena:
    A. Ancyolstoma
    B. Schistosoma haematobium
A

A

64
Q
  1. The worm that does not need a male to reproduce; it’s parthenogenic:
    A. Ascaris
    B. Ancyolstoma C. Trichuris
    D. Strongyloides
A

D

65
Q
  1. Worm that causes malabsorbtion and steatorrhea:
    A. Strongyloides B. trichuris
A

A

66
Q
  1. Hyperinfection syndrome:
    A. Strongyloides B. ascaris
A

A

67
Q
  1. Mode of infection with Trichostrongylus colubriformus:
    A. Ensheathed filarform larva penetrate skin
    B. Ensheathed filarform larva ingested on vegetables and water C. Ensheathed filarform larva in undercooked fish
A

B

68
Q
  1. A patient comes to the clinic with elevated erythematous serpiginous tunnel on his skin the parasite/manifestation is:
    A. Ancyolstoma braziliense/ Cutanous larva migrans
A

A

69
Q
  1. A patient with enlarged tender liver, high eosinophilia and hypergammaglobulinemia, most likely diagnosis is:
    A. Infected by non human nematodes larv
A

True

70
Q
  1. The serological test of choice for toxocara is:
    A. RAST to detect IgE
    B. ELISA to detect anti Toxocara Abs C. Immunofluorescence test
    D. Haemagglutination test
A

A

71
Q
  1. Electrolytes imbalance in:
    A. Capillaria philippinesis B. ancylostoma
A

A

72
Q
  1. Human is the defentive and intermediate host in:
    A. Trichinella B. Ascaris
A

A

73
Q
  1. Cyclop as the only intermediate host in:
    A. Drancunculiasis
    B. Diphyllobothrium latum
A

A

74
Q
  1. Infection of Drancunculiasis is prevented by:
    A. Purification of water b. Mass vaccination
A

A

75
Q
  1. A 20 years old yemeni patient presents to the dermatology clinic with ulcer on his face. The ulcer has m indurated edges and raised
    margins and scanty exudate. The patient presents history of nodule at the site of the lesion several months ago.The possible causative agent is:
    A. L.tropica 2.L.major 3.L.donovani 4.PKL
A

A

76
Q
  1. A five year old male child from a vilage in Yemen, he was complaining of severe pain in his ear with purulent discharges. His family took him to the clinic seeking a medical advise. On a
    clinical exam, the doctor found few small worm-like structures in his ear. Your suggestive
    diagnosis of this case is:
    A. case of auditory myiasis due to fly pupae. B. A case of aural myiasis due to fly larva.
    C. A&B
A

B

77
Q
  1. A 28 year old male presented with low grade fever, loss of appetite and pain in right upper quadrant since 15 days.
    Three months back, he suffered from dysentery. Physical examination revealed an enlarged liver Blood picture showed leucocytosis with raised eosinophils. CT scan showed the presence of cavitatory lesion in the right side of the liver. Aspirate from liver showed motile trophozoites in wet mount preparation:
    A. Entamoeba histolytica / dispar B. Entamoeba histolytica
A

B

78
Q
  1. A 10 years old girl was presented to dermatoloqist, suffering from sever nocturnal itching at interdigital spaces, folds, the neck, groin, lower abdomen, axilla and elbow. examination revealed multiple elevated red tracks with small popular lesions. The name of disease/ sign & the causative organism
    A. Toxocaruasis &toxocara canis
    B. Scabies &sarcoptes scabiet
    C. Creeping cruption &ancylostoma braziliense D. Creeping emption &hypoderma
A

B

79
Q
  1. A 7-year-old son walking barefoot,Clinical presentation reveals: Pruritus (ground itch), pneumonitis,white watery diarrhea,Stool exam reveals the larva the (diagnostic stage ) of ;
    A. Ascaris lumbricoides
    B. Strongyloides stercoralis C. Trichuris trichiura
    D. Enterobius vermicularis
A

B

80
Q
  1. A infant is born with a big head to a mother with toxoplasmosis, he has:
    A. Congenital toxoplasmosis with hydrocephalus B. Acquired toxoplasmosis with hydrocephalus C. Congenital toxoplasmosis with microcephalus D. Acquired toxoplasmosis with microcephalus
A

A

81
Q
  1. In case of mixed helminthic infections, which one of the following parasitic causes should be treated first?
    A. Ascaris lumbricoides
    B. Fasciola gigantica
    C. Hymenolepis nana
    D. Heterophyes heterophyes
A

A

82
Q
  1. A 12-year-old boy eating food in a restaurant. Later he complained of sudden abdominal pain together with anorexia, flatulence and diarrhea. Stool analysis revealed protozooan parasite. The child is likely to be infected with:
    A. Gardia lamblia
    B. entameba histolytica
A

A

83
Q
  1. Man comes to the clinic with a history of 7 days of fever sweating and chills. He noticed yellow discoloration of his eyes and skin two days before. His urine is black. A blood smear was done and his RBCs has intracellular organism. Diagnosis is:
    A. Plasmodium falciparum
    B. Plasmodium malarae C leshmania donovani
A

A

84
Q
  1. Merosite(s) of plasmodium might be protected from Kupffer cells phagocytosis by:
    A. host cell-derived vesicles that exit the dermal cells intact
    B. host cell-derived vesicles that exit the RBCs intact
    C. host cell-derived vesicles that exit the liver intact D. all of the above
A

C

85
Q
  1. In Immune response to protozoa:
    A. Th1 protective, Th2 counter protective B. Th2 protective, Th1 counter protective C. Th4 protective, Th1 counter protective
A

. A

86
Q
  1. RBCs structures than can provide resistant against plasmodium include the following except:
    A. Absence of duffy antigen
    B. Presence of Hemoglobin S
    C. Absence of Hemoglobin S D. G6PDH deficiency
A

.c

87
Q
  1. The following helminth can evade the immune system by antigen disguise:
    A. Ancylostoma duodenale
    B. Enterobius us vermicularis C. Schistosoma mansoni
    D. Ascaris Iumbricoides
A

.c

88
Q
  1. The following parasite can evade the immune system by cleavage of the produced a n t i bo di es :
    A. Schistosoma mansoni
    B. Giardia lambria
    C. Trichuris trichiura D. Trypanosoma cruzi
A

D

89
Q
  1. Parasites that evade immune system by being luminal habitat:
    A. Ascaris & Enterobius
A

True

90
Q
  1. Parasites that evade immune system by movement:
    A. Ancyolstoma B. Larva migrans C. Both
A

C

91
Q
  1. Parasites that evade immune system by ejection of membrane attack complex :
    A. Leishmania
    B. trypsonama cruzi
A

A

92
Q
  1. Premunition provides partial immunity for the following except:
    A. Toxoplasmosis
    B. Plasmodium malarie C. Leishmania
    D. Schistosoma
A

C

93
Q

93- Acutetoxemicschistosomiasisiscausedmainlyby
A. S. haematobium B. S. Japonicum

A

B

Parasitology (5 decks)

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