29 Questions
Which country has the highest number of recognized cases of Intestinal Capillariasis?
Philippines
Which anti-helminthic drug should not be given during the first trimester of pregnancy?
Albendazole
What is the recommended treatment for Capillaria infection?
Mebendazole 100 mg twice daily for 20 days
What is the most common way humans become infected with Trichostrongyliasis?
Through ingestion of contaminated food or water
What is the most prominent clinical feature of E. vermicularis infection?
Cutaneous irritation in the perianal region
What is the cause of transmission of Trichuris trichiura infection?
Ingestion of soil or food contaminated with feces containing infective eggs
Which animals can be infected by members of the genus Trichuris?
Both humans and domestic animals
What is the maximum reported survival time for pinworm eggs under lower temperature and higher humidity conditions?
19 weeks
What is the diagnostic method for trichuriasis?
Stool examination
What is the recommended treatment for mild to moderate trichuriasis infections?
Albendazole 800 mg once a day B) Ivermectin 400 µg/kg orally for 3 days C) Mebendazole 200 mg twice daily for 3 days D) Pyrantel pamoate alone
What is the probable natural reservoir host for Capillaria philippinensis?
Fish-eating water birds
What is the estimated number of people globally infected with Trichuris trichiura?
500 million
What is the recommended method for identifying E. vermicularis ova?
Transparent tape test
How is Capillaria infection diagnosed?
By finding characteristic eggs in the stool
What is the cure rate for E. vermicularis infection with anti-helminthic drugs?
90%
In which part of the body do adult female pinworms settle and live for up to 13 weeks?
The cecum, appendix, or adjacent areas of the ascending colon
Which of the following animals is not a common host for Trichostrongylus species?
Dogs
How long does it take for a patent infection of T. trichiura to develop after ingestion of eggs?
1 to 3 months
What is a possible consequence of heavy infection of T. trichiura?
Chronic diarrhea
What is the most common contributing factor for the prevalence of enterobiasis among young school-aged children?
Exposure to infected peers
What is a potential complication of pruritus ani caused by E. vermicularis?
Secondary bacterial infection
How often should anti-helminthic treatment be repeated for E. vermicularis infection?
Once every 2-4 weeks for 2-3 times
Which age group experiences the most intense infections of Trichuris trichiura?
School-age children
What is the clinical presentation of chronic trichuriasis in children in endemic areas?
Finger clubbing and rectal prolapse with chronic diarrhea
What is the characteristic feature of the chronic malabsorption-diarrhea syndrome caused by Capillaria philippinensis?
Watery diarrhea
What can protect against Capillaria infection?
Both A and B
What is the usual site of infection for Trichostrongylus adults in humans?
The duodenum or upper jejunum
What is the most effective treatment for Trichostrongyliasis?
Albendazole 400 mg once daily
What is the prevalence of human infection with Trichostrongylus species in endemic areas?
1-2%
Study Notes
Test your knowledge on Enterobiasis, a common helminthic infection caused by the pinworm Enterobius vermicularis. Learn about its epidemiology, symptoms and treatment options. Take the quiz and improve your understanding of this parasitic condition.
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