Which description matches stool parasite/ova collection using a yellow top SAF fixative container?

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Multiple Choice

Which description matches stool parasite/ova collection using a yellow top SAF fixative container?

The main idea is to preserve stool parasites, eggs, and cysts adequately during transport so they look the same under the microscope when they reach the lab. SAF fixative is designed specifically for parasite work because it preserves delicate structures well and keeps them stable through transit. A yellow top SAF container signals this fixative, and filling to the line ensures the correct ratio of stool to fixative so the specimen is properly preserved. Shaking mixes the sample so every part is immersed, preventing areas from drying out or degrading. Transport at room temperature or chilled for up to about a day keeps the specimen usable without letting morphology deteriorate before processing. Other options fail because they either omit fixative, use a different fixative that may distort or interfere with downstream tests, or specify storage conditions that aren’t compatible with preserving parasite morphology. The described approach—yellow top SAF container, fill to line, shake, and transport within 24 hours—matches the proper preservation and handling for stool parasite work.

The main idea is to preserve stool parasites, eggs, and cysts adequately during transport so they look the same under the microscope when they reach the lab. SAF fixative is designed specifically for parasite work because it preserves delicate structures well and keeps them stable through transit. A yellow top SAF container signals this fixative, and filling to the line ensures the correct ratio of stool to fixative so the specimen is properly preserved. Shaking mixes the sample so every part is immersed, preventing areas from drying out or degrading. Transport at room temperature or chilled for up to about a day keeps the specimen usable without letting morphology deteriorate before processing.

Other options fail because they either omit fixative, use a different fixative that may distort or interfere with downstream tests, or specify storage conditions that aren’t compatible with preserving parasite morphology. The described approach—yellow top SAF container, fill to line, shake, and transport within 24 hours—matches the proper preservation and handling for stool parasite work.

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