Giardiasis is an intestinal infection caused by the parasite Giardia lamblia. Understanding its key features is crucial.
Option 4 states that Giardia cysts are resistant to heat and desiccation. While this is a true characteristic of the Giardia parasite's cyst form, enabling its survival and transmission in the environment, it is not a direct clinical manifestation or pathological feature observed *within* the infected host, unlike the symptoms and location described in the other options. Therefore, in the context of the disease's presentation in a patient, this environmental resistance characteristic is considered the exception.
Therefore, the correct answer is the statement describing the resistance of Giardia cysts.
Which of the following pharmacological agents can be used for the treatment of visceral Leishmaniasis?
1. Pentavalent antimonials
2. Amphotericin B
3. Spiramycin
4. Paromomycin
Select the correct answer using the code given below:
Consider the following statements with regard to giardiasis :
1. Stools should be examined for cysts at 2-3 days interval for its diagnosis.
2. Colonoscopy aspirate gives the highest diagnostic yield.
3. Infection usually occurs by ingesting contaminated water.
4. Giardia has a flagellate trophozoite form.
Which of the statements given above are correct?