Characteristic cracking and redness at the corners of the mouth is produced by a deficiency of which of the following vitamins?

Name: Characteristic cracking and redness at the corners of the mouth is produced by a deficiency of which of the following vitamins?
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Question

Quizplus · Accepted Answer

Cracking and redness at the corners of the mouth is a classic symptom of riboflavin deficiency, also known as angular cheilitis. Biotin, niacin, and ascorbic acid deficiencies do not typically present with this symptom.

Characteristic Cracking and Redness at the Corners of the Mouth