18 Questions
What is the typical somatic muscle arrangement found in Trichuris trichiura?
Holomyrian type
What is the average number of eggs laid by a female Trichuris worm per day?
3,000 to 10,000
What is the primary location where Trichuris trichiura larvae penetrate and stay for several days?
Intestinal villi
What is the approximate number of people affected by Trichuris trichiura infections worldwide?
1.2 billion
What percentage of individuals infected with Ascaris lumbricoides are from Asia?
70%
What is the duration of the hepato-tracheal migration of Ascaris lumbricoides?
14 days
What is the primary protein used by Trichuris trichiura to embed into the intestinal wall?
TT47 protein
What is the average number of eggs produced by a female Ascaris lumbricoides per day?
200,000
What is the typical size range of male Trichuris trichiura worms?
30 to 45 mm
What is the characteristic arrangement of somatic muscles in Ascaris lumbricoides?
Polymyarian type
What is the duration of development of egg-laying adults in Ascaris lumbricoides?
9-11 weeks
What is the estimated number of disability-adjusted life years (DALYs) contributed by Ascaris lumbricoides?
1.85 million
What is the primary mechanism of pathogenesis in Trichuriasis?
Worms embedded in mucosa cause petechial hemorrhages
What is the name of the technique used to count the number of eggs in a stool sample?
Kato-Katz technique
What is the recommended treatment for Trichuriasis in children?
Mebendazole 100 mg twice a day for 3 days
What is the estimated global infection rate of Trichuriasis?
Approximately 604 to 816 million
What is the recommended prevention and control strategy for Trichuriasis in communities with high prevalence?
Biannual mass drug administration
What is the age group most frequently infected with Trichuriasis?
Children aged 5 to 15
Learn about Ascaris lumbricoides, a type of intestinal nematode that affects over 1 billion individuals worldwide, primarily in tropical regions. Discover the pathology, symptoms, and complications of this infection, as well as its impact on health and productivity.
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