Question

Which of the following stains are related to vital stains?

• A. The stains are taken up by living cells without killing them.
• B. Congo red is considered as vital stains.
• C. They mainly stain intercellular stain
• D. All of the above

Answer 1

The correct option is D All of the above

A vital stain is a stain that can be applied to living cells without killing them. Congo red is used to stain microscopic preparations especially as a cytoplasm and erythrocyte stain. Vital staining is to stain intracellular structures like mitochondria, cytoplasmic granules and vacuoles. Thus the correct answer is option D.