MCQs

Scotch adhesive tape is used for diagnosis of: a- Trichuris trichiura infection b- Fasciola hepatica infection c- Enterobius vermicularis infection

d- Strongyloides stercoralis infection

Examination of patient’s duodenal aspirate may reveal the egg of the following parasite: a- Paragonimus westermani b- Fasciola gigantica d- Diphyllobothrium latum

c- Trichuris trichiura

Dogs cannot transmit the following helminthic infections to man: a- Hydatid disease b- Cutaneous larva migrans

c- Visceral larva migrans d- Larva currens

MCQs

The following infective larva cannot penetrate human skin: a- filariform larva of Ancylostoma duodenale

b- filariform larva of Ancylostoma braziliense

c- filariform larva of Strongyloides stercoralis

d- filariform larva of Trichostrongylus colubriformis

The following investigation is not used for diagnosis of bancroftian filariasis: a- Blood smear at night to detect microfilariae. b- Lymph node biopsy to detect adult.

c- Bone marrow aspiration to detect microfilariae.

d- ELISA to detect specific antibodies.

MCQs

Dyspepsia is a clinical presentation in infection with: a- Schistosoma mansoni b- Dracunculus medinensis

c- Ascaris lumbricoides

Electrolyte imbalance may complicate infection with:

Melaena is a clinical presentation in infection with: a- Ascaris lumbricoides b- Ancylostoma duodenale

c- Ancylostoma caninum d- Trichinella spiralis

d- Trichuris trichiura

a- Hymenolepis nana b- Taenia saginata

c- Strongyloides stercoralis d- Capillaria philippinensis

The patient gives a clinical presentation of food poisoning in: a- D. latum infection b- T.spiralis infection

c- H.heterophyes infection d- E.vermicularis infection

MCQs

For assessing intensity of infection in schistosomiasis we use the following: a- Bachman test c- Kato thick faecal smear b- immunoelectrophoresis d- Knott’s technique

Larvae of the following parasite could be detected in patient’s liver: a- Ancylostoma duodenale b- Capillaria philippinensis

c- Toxocara canis d- Trichuris trichiura

The following microfilariae cannot be detected in patient’s blood: a- microfilaria of L.loa

b- microfilaria of M.peristans

c- microfilaria of M. ozzardi

d- microfilaria of O.volvulus

MCQs

Charcot Leyden crystals appear in stool in infection with: a- Diphyllobothrium latum b- Enterobius vermicularis

c- Capillaria philippinensis d- Ancylostoma duodenale

Hepatosplenomegaly may occur in the following parasitic disease: a- Ascariasis b- Fascioliasis

c- Schistosomiasis d- Hydatid disease

Chyle is released in patient’s urine as a complication of the following parasitic infection: a- Onchocerciasis

b- Enterobiasis

c- Urinary schistosomiasis

d- Bancroftian filariasis

MCQs

The eye of man could be affected by: a- Sparganum mansoni b- Cysticercoid nana

c- Brugia malayi d- Cysticercus bovis

Laboratory diagnosis of cysticercosis is usually performed by: a- Detection of Taenia solium eggs in stool b- Detection of Taenia saginata eggs in stool c- Detection of anti-Taenia antibodies in patient's blood d- Detection of anti-Taenia antibodies in patient's CSF

The infective stage of Heterophyes infection is found in:

a- Beef meat c- Crabs muscles

d- boury fish muscles b- Pork meat

MCQs

Kato technique is used to assess intensity of infection in: a- Paragonimiasis b- Schistosomiasis haematobium

c- Schistosomiasis mansoni d- Trichinosis

a- Presence of adult Ascaris in the intestine.

Loeffler's syndrome occurs due to:

b- Migration of Ascaris to ectopic foci. c- Inflammatory reaction around larvae in the lung. d- Sensitization to antigens of Ascaris larvae.

Ingestion of eggs of Multiceps multiceps results in: a- Cysticercosis b- Hydatid disease

c- Coenurosis d- Sparganosis

MCQ

Intussusception may occur as a complication of: a- Schistosoma infection b- Paragonimus infection

c- A.lumbricoides infection d- Taenia saginata infection

Bather’s itch occurs frequently with: a- Schistosoma mansoni infection b- Ancylostoma duodenale infection c- Non human Schistosoma infection d- Non human Ancylostoma infection

Acute appendicitis may complicate infection with: a- Ancylostoma duodenale b- Enterobius vermicularis

c- Strongyloides stercoralis d- Trichinella spiralis

M.C.Q. The major cause of morbidity in schistosomiasis is:

a- Migration of adult worms against blood stream.

b- Migration of adult worms in the liver.

c- Embolic lesions.

d- Deposition of eggs in tissues.

b- Fasciola d- Schistosoma

Katayama syndrome: a- occurs most frequently in S.haematobium infection. b- consists of pulmonary hypertension and right-sided heart failure. c- occurs most frequently in S.japonicum infection. d- occurs in chronic schistosomiasis.

Eggs of the following parasite can be found in sputum: a- Heterophyes c- Paragonimus

M.C.Q.

Man acts as intermediate host in:

c- Diphyllobothriasis latum d- Dipylidiasis

The following parasite causes cystic cavities in the lung with brownish purulent sputum : a- Echinococcus granulosus b- Paragonimus westermanni

c- Entamoeba histolyica d- Ascaris lumbricoides

Bilharzial cor pulmonale is due to: a- Reaction around schistosomules in the lung

b- Reaction around adult worms in the lung

c- Egg emboli in pulmonary blood vessels d- Egg emboli in cardiac blood vessels

b- Cysticercosis a- Taeniasis saginata

MCQ

In tropical pulmonary eosinophilia:

a- There is increased number of microfilariae in blood. b- Absence of microfilariae in the tissues. c- Elevated titre of antifilarial antibodies. d- Slight increase in eosinophils.

In W.bancrofti infection, manifestations are caused by:

a- living & dead microfilariae of W.bancrofti in lymphatics b- living & dead adult W.bancrofti worms in lymphatics.

c- living & dead microfilariae of W.bancrofti in blood vessels.

d- living & dead adult W.bancrofti worms in blood vessels.

MCQ

Calabar swelling:

b- is an allergic reaction to dead worms or byproducts

a- is usually found in infected human’s eye

c- contains coiled adult worms on bony prominences

d- contains microfilariae on bony prominences

The microfilariae of Onchocerca are detected in:

a- Patient’s blood only by night

b- Patien’t blood only by daytime

c- Patient’s blood & tissues

d- Patient’s tissues not blood

MCQ

The infective stage in ancylostomiasis is:

a- The fertilized egg b- The embryonated egg

c- The rhabditiform larva d- The filariform larva

The worm that passes free larvae in patient’s stool is:

a- Ascaris lumbricoides b- Hymenolepis nana

c- Enterobius vermicularis d- Strongyloides stercoralis

Larvae of the following parasite could be detected in patient’s liver: a- Ancylostoma duodenale

b- Capillaria philippinensis

c- Toxocara canis

d- Trichuris trichiura

M.C.Q.

The following helminth is considered an opportunistic parasite:

a- Fasciola gigantica

b- Trichinella spiralis

c- Capillaria philippinensis

d- Strongyloides stercoralis

The following clinical presentation may complicate W.bancrofti infection: a- Stone formation in bladder

b- Nocturnal enuresis c- Release of chyle in urine d- Terminal haematuria

Man can be both definitive & intermediate host in the following parasitic infection:

a- W.bancrofti infection

b- T.saginata infection

c- O.volvulus infection

d- T.solium infection

MCQs

Creeping eruption is caused by: a- Cercaria of non-human schistosomes b- Cercaria of human schistosomes c- infective larvae of non-human species of Ancylostoma d- infective larvae of human species of Ancylostoma

Halzoun is a human disease caused by: a- ingestion of encysted metacercaria of Fasciola gigantica b- ingestion of encysted metacercaria of Fasciola hepatica c- ingestion of infected cooked liver of sheep & goat d- ingestion of infected raw liver of sheep & goat

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