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Questions and Answers
What is the primary mode of transmission of Giardia Lambia?
What is the primary mode of transmission of Giardia Lambia?
What is the characteristic appearance of the cyst form of Giardia Lambia?
What is the characteristic appearance of the cyst form of Giardia Lambia?
What is the primary symptom of Giardia Lambia infection?
What is the primary symptom of Giardia Lambia infection?
How does the trophozoite form of Giardia Lambia absorb nutrients?
How does the trophozoite form of Giardia Lambia absorb nutrients?
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What is the diagnostic test used to detect Giardia Lambia in stool?
What is the diagnostic test used to detect Giardia Lambia in stool?
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What is the treatment of choice for Giardia Lambia infection?
What is the treatment of choice for Giardia Lambia infection?
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Study Notes
Giardia Lamblia Infection
- Giardia infection occurs through ingestion of cysts in contaminated water, often among travelers or campers who drink unfiltered or unpurified water.
- The infection can be spread through poor hygiene and inadequate sanitation.
Symptoms
- Bloating, flatulence, and foul-smelling diarrhea are common symptoms of Giardia infection.
- Steatorrhea (fatty diarrhea) occurs due to excessive mucus production, impairing nutrient absorption in the intestine, leading to deficiencies in vitamins A, D, E, and K.
Life Cycle and Morphology
- The trophozoite form of Giardia is flagellated and has a characteristic shield-like appearance.
- The cyst form has a rounded triangular shape and exhibits "falling leaf" motility.
- The trophozoite has four flagella, two nuclei, and a ventral sucking disk (adhesion disk) for attachment to the intestinal wall.
- The trophozoite absorbs nutrients from the intestinal lumen via pinocytosis.
Diagnosis and Treatment
- Giardia infection can be diagnosed through the presence of trophozoites in stool or by ELISA stool antigen detection.
- Metronidazole is effective in treating Giardia infection.
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Description
This quiz is about Giardiasis, a parasitic infection caused by Giardia lamblia. It covers the modes of transmission, symptoms, and effects on the body. Take this quiz to learn more about this waterborne disease.
