Violation

Oral signs and/or symptoms of vitamin B2 (riboflavin) deficiency may include 1. glossitis. 2. angular cheilitis. 3. pain. 4. erythematous oral mucosa.

All of the above.

(2) and (4)

(1) and (3)

(1) (2) (3)

(4) only

Please describe the matter of abuse