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5Points Quiz

Where do female Schistosomes lay their eggs?

        A.   In the lumen of the intestine.

        B.   In small venules close to the lumen of the intestine or bladder.

        C.   In the venous blood system and the lumen.

        D.   In the liver, venous blood system and the bladder.

Answer: B

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A zoonotic parasite refers to ___

        A.   a disease that can be transmitted from vertebrate animals to humans.

        B.   a parasite that can be transmitted from vertebrate animals to humans.

        C.   a disease that can be transmitted from humans to vertebrate animals.

        D.  a pathogen that can be transmitted from humans to vertebrate animals.

Answer: B

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The following are good measures in reducing the prevalence of Taenia infection except ______.

        A.   Inspect meat to be used in industries properly. Heavily infected meat should be treated properly before use

        B.   Maintain high standard of sanitation.

        C.   Immunization against bivine cysticercosis.

        D.   Cooking of meat well before eating.

Answer: A

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The following are reasons why the prevalence of Taenia infection is on the increase except _______.

        A.   Sewage farming

        B.   Consumption of semi-cooked meat in manufactured food products

        C.   Decline in animal farming

        D.  Consumption of undercooked beef and pork by tourist visiting highly endemic areas

Answer: C

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Lung flukes are transmitted through the following except ___

        A.   feshwater snails and crabs

        B.   through air infection

        C.   consumption of raw meat of omnivorous mammals

        D.  ingestion of metacercariae contained in raw freshwater crabs or crayfish

Answer: B

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The most important lung fluke is ____.

        A.   Paragonimus africanus

        B.   Paragonimus uterobilateralis

        C.   Paragonimus sp.

        D.   Paragonimus westermani

Answer: D

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For Schistosomiasis, which of the following is not a correct pair of epidemiology/control intervention?

        A.   The presence of water bodies such as rivers, streams, lakes, dams suitable for the breeding of the snail intermediate hosts/Reduction of human-water contact.

        B.   Contamination of natural water bodies with infected human urine and faeces/Improved socio-economic status of the people: like good sanitation system and water supply.

        C.   Modification of the ecology of the snail habitat/human water contact activities including swimming, laundry and fetching.

        D.   Factors that promote intramolluscan development of parasite and subsequent transmission to man/biological control through the introduction of competitors snails into the snail habitat, chemical and physical interventions

Answer: C

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The following are sets of chronic manifestation of Schistosomiasis except ______.

        A.   Terminal haematuria, dysuria, and frequent urination.

        B.   Dysentery, diarrhoea, weakness, and abdominal pain.

        C.   Cercarial dermatitis and Katayama syndrome.

        D.   Headache, seizures (both generalized and focal), myeloradiculopathy with lower limb and back pain, paresthesia, and urinary bladder dysfunction.

Answer: C

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