Multiple choice

Which Statement is TRUE about Haematoxylin and Eosin (H&E) staining in Histology of the lung?

  1. Haemotoxylin stains both cell nuclei and red blood cells in red.

  2. Eosin stains both cell nuclei and red blood cells in pink, or bright red.

  3. Haematoxylin stains cell nuclei blue, while Eosin stains red blood cells bright red.

  4. Haematoxylin stains red blood cells in bright red, while Eosin stains cell nuclei blue.

  5. Haemotoxylin and Eosin stains only red blood cells.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Haematoxylin stains cell nuclei blue, while eosin stains cytoplasm, connective tissue and other extracellular substances pink or red. Eosin is strongly absorbed by red blood cells, colouring them bright red.

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