cryptosporidum exam

Which protozoan parasite is responsible for causing cryptosporidiosis in humans

• Giardia lamblia
  

• Entamoeba histolytica

• Cryptosporidium parvum

• Trichomonas vaginali

the parasite was highly distribution because have-----------

A child develops acute watery diarrhea after visiting a water park. Stool examination confirms infection with Cryptosporidium parvum. Which of the following is the most likely route of transmission

• Blood transfusion
  

• Contaminated water

• Mosquito bite

• Direct inhalation of spores

the type of stage which responsible for autoinfection was--------

A 7-year-old child presents with watery diarrhea lasting for 10 days. The family reports that the child recently swam in a public pool. Stool examination reveals oocysts consistent with Cryptosporidium parvum. The child is otherwise healthy and immunocompetent.

Question:
Which of the following is the most appropriate treatment for this patient?

• Metronidazole

• Nitazoxanide

• Albendazole

• No treatment is available