HT Histotechnician

Category - Staining

Synthetic dyes are sometimes known as:
  1. Cochineal dyes
  2. Logwood dyes
  3. Coal Tar dyes
  4. Natural dyes
Explanation
Answer: C - Coal Tar dyes
Synthetic dyes are sometimes known as Coal Tar dyes. They were originally manufactured from substances that have been taken from coal tar. Other dyes in the choices are natural types of dyes.
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