16 Questions
What is the primary habitat of the Taenia solium parasite in humans?
Small intestine
What is the characteristic symptom of Taeniasis caused by Taenia solium?
Hunger pain and increase of appetite
What is the intermediate host for Taenia solium?
Pigs
What is the diagnostic stage of Cysticercosis caused by Taenia solium?
Cysticercus in biopsy
What is the primary mode of infection for Taeniasis?
Eating imperfectly cooked beef and pork containing cysticercus
What is the major risk factor for individuals to develop cysticercosis?
Living in the same household with someone who has a tapeworm
What is the complication of Taeniasis caused by Taenia solium?
Intestinal obstruction
What is the primary diagnostic tool for cysticercosis?
CT scan or MRI of the brain
What is the infective stage of Cysticercosis caused by Taenia solium?
Cysticercus cellulosa
What is the primary prevention method for Taeniasis?
Inspection of beef and pork for cysticercus
What is the laboratory test used to detect antibodies in cysticercosis?
ELISA
What is the recommended temperature for at least 5 minutes to control Taeniasis?
56°C
What is the drug of choice for treating Taeniasis?
Praziquantel
What is the recommended method for preventing Cysticercosis?
Treating human excreta before use as animal manure
What is the additional treatment option for Cysticercosis in the brain?
Corticosteroids
What is the recommended method for controlling Taeniasis?
Cooking meat at 56°C for 5 minutes
Study Notes
Taeniasis and Cysticercosis
- Caused by two parasites: Taenia solium (Pork tapeworm) and Taenia saginata (Beef tapeworm)
Habitat and Definitive Host
- Small intestine of humans (definitive host)
Intermediate Host
- Pigs (swine) for Taenia solium
- Cattle (cows, sheep, camel) for Taenia saginata
Infective Stage
- Cysticercus cellulosa (Taeniasis) and eggs (Cysticercosis)
- Cysticercus bovis for Taenia saginata
Diagnostic Stage
- Taeniasis: Taenia eggs and gravid segments in stool
- Cysticercosis: Cysticercus in biopsy
Clinical Picture
- Taeniasis: Intestinal disturbances, abdominal discomfort, diarrhea, constipation, hunger pain, increase of appetite, loss of weight, anxiety, anemia, and intestinal obstruction
- Cysticercosis: Infection of human and pigs tissue with the larval stage of T. solium, autoinfection, and ingestion of contaminated food or water
Mode of Infection
- Taeniasis: Eating imperfectly cooked beef or pork containing cysticercus
- Cysticercosis: Autoinfection (egg from anus to mouth) or ingestion of contaminated food or water
Lab Diagnosis
- Taeniasis: Stool examination for Taenia eggs or gravid segments in feces
- Cysticercosis: CT or MRI scan of brain, serology (ELISA), biopsy, and eosinophilia
Prevention and Control
- Taeniasis: Control of slaughterhouses and butchers, inspection of beef and pork for cysticercus, good cooking of meat (at least 56°C for 5 min) or freezing (at -10°C for 5-10 days)
- Cysticercosis: Treatment of human excreta before use as animal manure, environmental sanitation, health education for personal hygiene and food hygiene
Treatment
- Taeniasis: Praziquantel (drug of choice)
- Cysticercosis: Praziquantel, Albendazole, steroidal anti-inflammatory (for edema), and surgical removal of cysts
This quiz covers the different types of tapeworms, their hosts, and the diseases they cause. Learn about Taenia solium and Taenia saginata, and their habitats and definitive hosts.
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