Hairy tongue is characterized by____________?

Correct answer: D. Hypertrophy of filiform papillae

  • A. Hypertrophy of fungiform papillae
  • B. Hypertrophy of foliate papillae
  • C. Hypertrophy of circumvallate papillae
  • D. Hypertrophy of filiform papillae

Explanation

Hairy tongue results from elongation and increased keratin retention of the filiform papillae, producing a hair-like surface. The fungiform, foliate and circumvallate papillae are not responsible.

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