Q1. Whipple’s disease is characterized by the infiltration of small intestinal mucosa by 'foamy' macrophages. Which one of the following histological stains is characteristically used to stain them?
- Sudan Black-B
- Gentian violet
- Methylene blue
- Periodic acid Schiff
Answer & explanation — reveal it in the interactive practice above.
PYQ 2020–2025 — page 285