Violation
Oral signs and/or symptoms of vitamin B2 (riboflavin) deficiency may include 1. glossitis. 2. angular cheilitis. 3. pain. 4. bluish purple discolouration of the oral mucosa.
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only
All of the above.
Oral signs and/or symptoms of vitamin B2 (riboflavin) deficiency may include 1. glossitis. 2. angular cheilitis. 3. pain. 4. bluish purple discolouration of the oral mucosa.
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only
All of the above.