20 Questions
Where do mature Ascaris eggs usually mature?
In the soil
How do Ascaris eggs become infectious?
After coming in contact with egg-contaminated soil
Where do larval Ascaris worms enter after being ingested?
Intestine
How do adult Ascaris worms enter the bile or pancreatic ducts?
By burrowing through the intestine
What can happen if a large mass of mature worms blocks the lumen of the small intestine?
Completely block the lumen of the small intestine
How do mature Ascaris worms usually exit the body to potentially be coughed up?
Through coughing up from the lungs
What is a potential consequence of intestinal blood loss due to worm ingestion?
Iron deficiency anemia
How is Strongyloidiasis infection similar to hookworm infection?
Both enter the body through intact skin
Why is Trichinella spiralis infection considered uncommon in the United States today?
It is mainly related to ingestion of undercooked wild game
What happens to Trichinella larvae after they are ingested from infected meat?
They develop into mature worms in the muscles
What causes the severe systemic symptoms during the phase of larval migration of Trichinella infection?
Inflammatory reaction to the worms in tissues
Which condition may result from Trichinella spiralis infection if left untreated?
Heart problems
How is an Ascaris infection identified?
By detecting worm eggs in fecal material
What is a common way children get infected with animal worms?
Transfer of eggs through contaminated hands, toys, or objects
Where do pinworms generally take up residence?
Duodenum and ileocecal region
Which statement about hookworm infection is true?
Larvae enter the body through skin contact with contaminated soil
What is a symptom commonly associated with pinworm infections?
Intense anal and perianal itching
How do whipworms (Trichuriasis) typically infect humans?
Via ingestion of eggs in fecally contaminated soil
What is a characteristic of adult hookworms in the small intestine?
They have a specialized attachment organ called the buccal plate
How are pinworm infections commonly spread among family members?
From contaminated bedclothes or other objects
Learn about the Ascaris lumbricoides parasite, a common roundworm infecting millions of people worldwide. Discover its characteristics, life cycle, and transmission methods.
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