Microbiology A patient presents with diarrhea. analysis of stool on wet mount shows mobile protozoa without RBCs and pus cells. The diagnosis is A Balantidium coli B Giardiasis C Trichomonas hominis D Entamoeba histolytica 💡 Explanation A patient presents with diarrhea. analysis of stool on wet mount shows mobile protozoa without RBCs and pus cells. The diagnosis is ✓ Correct Answer: B. Giardiasis