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Questions and Answers
Where do female Enterobius vermicularis worms migrate to lay eggs?
Where do female Enterobius vermicularis worms migrate to lay eggs?
- Lungs
- Stomach
- Anus (correct)
- Intestine
What is the diagnostic test used to detect Enterobius vermicularis eggs?
What is the diagnostic test used to detect Enterobius vermicularis eggs?
- Scotch tape test (correct)
- Stool test
- Urine test
- Blood test
What is the primary mode of transmission for Enterobius vermicularis?
What is the primary mode of transmission for Enterobius vermicularis?
- Direct contact
- Fecal-oral route (correct)
- Airborne transmission
- Vector-borne transmission
Which medication is commonly used to treat Enterobius vermicularis infections?
Which medication is commonly used to treat Enterobius vermicularis infections?
Which hookworm species is commonly found in the rural southern United States?
Which hookworm species is commonly found in the rural southern United States?
What is the characteristic migration pattern of hookworm larvae in the human body?
What is the characteristic migration pattern of hookworm larvae in the human body?
What is a common complication of hookworm infections?
What is a common complication of hookworm infections?
What is the characteristic laboratory finding in hookworm infections?
What is the characteristic laboratory finding in hookworm infections?
Which medication is contraindicated in pregnant women?
Which medication is contraindicated in pregnant women?
What is the name of the worm that causes intestinal obstruction at the ileocecal valve?
What is the name of the worm that causes intestinal obstruction at the ileocecal valve?
What is the mode of transmission of Enterobius vermicularis?
What is the mode of transmission of Enterobius vermicularis?
What is the most common location where hookworms are found in the United States?
What is the most common location where hookworms are found in the United States?
What is the primary location where Ascaris lumbricoides worms can cause intestinal obstruction?
What is the primary location where Ascaris lumbricoides worms can cause intestinal obstruction?
What is the characteristic laboratory finding in hookworm infections?
What is the characteristic laboratory finding in hookworm infections?
What is the primary complication of hookworm infections?
What is the primary complication of hookworm infections?
How do Ascaris lumbricoides worms migrate to the lungs?
How do Ascaris lumbricoides worms migrate to the lungs?
Which medication is commonly used to treat Enterobius vermicularis infections?
Which medication is commonly used to treat Enterobius vermicularis infections?
What is the name of the worm that causes malnutrition and respiratory symptoms?
What is the name of the worm that causes malnutrition and respiratory symptoms?
Which medication is contraindicated in pregnant women?
Which medication is contraindicated in pregnant women?
What is the diagnostic test used to detect Enterobius vermicularis eggs?
What is the diagnostic test used to detect Enterobius vermicularis eggs?
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Study Notes
Intestinal Parasites
- Enterobius vermicularis (Pinworms): Female worms migrate to anus and lay eggs, diagnosed with scotch tape test on anus, treated with Pyrantel pamoate.
Hookworms
- Ancylostoma duodenale and Necator americanus: Found in rural southern US, can enter bloodstream through bare feet, larvae travel to lungs and then GI tract, causing iron deficiency anemia.
Ascaris lumbricoides
- Large Intestinal Worm: Eats eggs, larvae migrate to lungs through gut wall and bloodstream, then return to gut to become adults, causing malnutrition and respiratory symptoms, diagnosed by finding eggs in stool, treated with Pyrantel pamoate and Albendazole.
Strongyloides stercoralis
- Autoinfection: Penetrates skin on bottom of feet, goes to lungs then GI tract, can cause hyperinfection in immunocompromised individuals, diagnosed by finding larvae in stool, treated with Albendazole.
Trichinella spiralis
- Found in Pork and Bear Meat: Causes periorbital edema, vomiting, and fever, forms cysts in striated muscle cells, diagnosed by finding eosinophilia, treated with Albendazole.
Intestinal Parasites
- Enterobius vermicularis (Pinworms): Female worms migrate to anus and lay eggs, diagnosed with scotch tape test on anus, treated with Pyrantel pamoate.
Hookworms
- Ancylostoma duodenale and Necator americanus: Found in rural southern US, can enter bloodstream through bare feet, larvae travel to lungs and then GI tract, causing iron deficiency anemia.
Ascaris lumbricoides
- Large Intestinal Worm: Eats eggs, larvae migrate to lungs through gut wall and bloodstream, then return to gut to become adults, causing malnutrition and respiratory symptoms, diagnosed by finding eggs in stool, treated with Pyrantel pamoate and Albendazole.
Strongyloides stercoralis
- Autoinfection: Penetrates skin on bottom of feet, goes to lungs then GI tract, can cause hyperinfection in immunocompromised individuals, diagnosed by finding larvae in stool, treated with Albendazole.
Trichinella spiralis
- Found in Pork and Bear Meat: Causes periorbital edema, vomiting, and fever, forms cysts in striated muscle cells, diagnosed by finding eosinophilia, treated with Albendazole.
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