An otherwise healthy first-year medical student visits the student health office for a physical examination. He is taking to no medications. He is concerned because he has noticed several painless uniform"large bumps" at the of his tongue. These are most likely?
(A) Aphthous ulcers
(B) Candidal colonies
(C) Circumvallate papillae
(D) Filiform papillae
(E) Fungiform papillae
Answer: C: Circumvallate papillae