In parasitology laboratories, faecal specimens are commonly used for the detection of various parasites. When handling faecal specimens, which of the following statements accurately describes the use of polyvinyl alcohol (PVA) fixative?

Question

Answer

PVA fixative is advantageous for producing permanent stained smears of faecal specimens.

Answer

PVA fixative is not recommended for preserving protozoan cysts due to its unstable composition.

Answer

PVA fixative must be stored in open containers to allow for proper aeration and preservation of parasites in the faecal specimen.

Answer

PVA fixative is used primarily for maintaining the morphology of helminth eggs and larvae.

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In parasitology laboratories, faecal specimens are commonly used for the detecti...

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