Chapter 6: Tropical Infections and Infestations

Multiple Choice Question 1 of 6

1. Question

At which stage of development of Ascaris lumbricoides is Loeffler’s syndrome classically described?

Adult worms in the intestine

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Larvae in the intestine

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Larvae in the lungs

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Adult worm in the lung

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Adult worm in the biliary tract

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Multiple Choice Question 2 of 6

2. Question

In the life cycle of Echinococcus granulosus, which three of the following are true?

Sheep and cattle are the definitive hosts

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The worm grows in the intestine of dogs and sheds eggs in the faeces

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Man is a definitive host

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The ingested eggs hatch and penetrate the small intestine and migrate through the circulatory system to reach the organs

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The dog is the definitive host

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Multiple Choice Question 3 of 6

3. Question

Which two of the following are true for Entamoeba histolytica infestations?

It is an airborne infection

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Patients may present with colicky abdominal pain and watery or bloody diarrhoea

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Patients may present with cough and pulmonary infiltrates

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Some patients may present with pain in the upper right quadrant and fever

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They are treated with broad-spectrum antibiotics only

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Multiple Choice Question 4 of 6

4. Question

In a tuberculous infection of the intestine, which two of the following are seen?

Longitudinal serpiginous ulcers in the colon

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The caecum is often pulled up into a subhepatic position because of intense fibrosis

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May present with intestinal obstruction most often due to a stricture of the colon

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Often presents with intestinal fistula formation

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May present with a perforation of the intestine

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Multiple Choice Question 5 of 6

5. Question

A 40-year-old man with a history of alcohol consumption for the past several years presents with acute upper abdominal pain and high-grade fever with chills and rigors for 3 days. General physical examination (GPE) is unremarkable. On abdominal examination, there is hepatomegaly with intercostal tenderness. The most likely clinical diagnosis is …

Acute cholecystitis

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Acute pancreatitis

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Liver abscess

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Cholangitis

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Peptic perforation

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Multiple Choice Question 6 of 6

6. Question

Which two of the following relate to leprosy (Hansen’s disease)?

It is caused by an acid-fast bacillus

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It spreads by the faeco-oral route

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It presents with brawny indurated swellings of the lower limb

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It often presents with lower motor neurone paralysis

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Well-defined anaesthetic hypopigmented or erythematous lesions are a characteristic presentation

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Chapter 6: Tropical Infections and Infestations

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