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Multiple Choice

Immediately after the physician places the specimen on the slides, what should be done?

Fixation immediately after the specimen is placed on the slide is essential to preserve cell morphology and prevent degradation. Ethyl alcohol fixative rapidly coagulates proteins and anchors cells to the slide, stopping enzymatic activity and minimizing artifacts that occur during drying or staining. This step ensures the smear remains stable and develops consistent staining, which is crucial for accurate microscopic evaluation. Labeling is important, but it can be done at another step; transferring to a centrifuge isn’t part of preparing a smear on a slide, and letting the slide air dry without fixing would distort cells and compromise the specimen.

Fixation immediately after the specimen is placed on the slide is essential to preserve cell morphology and prevent degradation. Ethyl alcohol fixative rapidly coagulates proteins and anchors cells to the slide, stopping enzymatic activity and minimizing artifacts that occur during drying or staining. This step ensures the smear remains stable and develops consistent staining, which is crucial for accurate microscopic evaluation. Labeling is important, but it can be done at another step; transferring to a centrifuge isn’t part of preparing a smear on a slide, and letting the slide air dry without fixing would distort cells and compromise the specimen.