Final answer:
Factors that can affect staining results in microscopy include extended stain time, delayed fixation, inadequate rinsing, and overly thick smear.
Step-by-step explanation:
Factors that can affect staining results in microscopy include extended stain time, delayed fixation, inadequate rinsing, and overly thick smear. Extended stain time can result in excessive staining, making it difficult to differentiate between different structures. Delayed fixation can cause degradation of the specimen and loss of cellular details. Inadequate rinsing can lead to residual stain, which can interfere with accurate observation. An overly thick smear can prevent proper penetration of the stain into the specimen, resulting in uneven or incomplete staining.