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Clinical Signs of Schistosomiasis

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Questions and Answers

What is the primary method of diagnosing schistosome infections?

Imaging studies, such as CT or MRI scans

Finding ova in the feces or urine (correct)

Serologic tests

Physical examination of the skin

What is the typical time frame for the development of symptoms in travelers infected with schistosomes?

3 to 6 months

2 to 3 weeks (correct)

Within an hour

1 to 2 months

What is the primary treatment for schistosome infections?

Praziquantel (correct)

Albendazole

Mebendazole

Ivermectin

What is the characteristic laboratory finding in patients with schistosome infections?

Eosinophilia (D) Signup and view all the answers

What is the primary method of preventing schistosome infections?

Avoiding swimming in areas of endemic infection (A) Signup and view all the answers

How many species of Leishmania are known to cause human infection?

21 (C) Signup and view all the answers

What is the primary location where Schistosoma mansoni and S. japonicum eggs lodge?

Liver (D) Signup and view all the answers

What is the result of the host inflammatory response to Schistosoma eggs in the intestine?

Damage to the walls of the intestines (A) Signup and view all the answers

Why are Schistosoma eggs able to evade the host immune system?

They are coated with host antigens (C) Signup and view all the answers

What is the typical symptom of a Schistosoma infection in travelers to endemic countries?

Itchy rash (B) Signup and view all the answers

What is the result of Schistosoma eggs in the liver?

Fibrosis, hepatomegaly, and portal hypertension (B) Signup and view all the answers

What is the significance of adult Schistosoma worms in terms of pathology?

They are relatively insignificant in terms of pathology (C) Signup and view all the answers

What is the primary mechanism by which trematodes anchor themselves to their hosts?

Through their hold-fast apparatus (D) Signup and view all the answers

What is the characteristic laboratory finding in the diagnosis of Ascaris infection?

High eosinophilia in blood (A) Signup and view all the answers

What is the primary route of transmission for Ascaris infection?

Poorly washed salad and plants (B) Signup and view all the answers

Which of the following is a type of fluke that infects the small intestine?

Heterophyes heterophyes (C) Signup and view all the answers

What is the characteristic feature of the life cycle of trematodes?

Bound to water and include two swimming forms of larvae (A) Signup and view all the answers

What is the drug of choice for the treatment of Ascaris infection?

Albendazole (B) Signup and view all the answers