The Concentration Protocol of the Ova and Parasite (O&P)examination

The concentration protocol of the ova and parasite (O&P) examination:

A) requires freshly passed,unpreserved stool.
B) is designed to allow the detection of protozoan cysts,coccidian oocysts,microsporidial spores,and helminth eggs and larvae.
C) is microscopically examined at low,high dry,and oil immersion magnifications.
D) is designed to facilitate the identification of intestinal protozoa.