Skin The test likely to help in diagnosis of a patient who presents with an itchy annular plaque on the face is: A Gram's stain B Potassium hydroxide mount C Tissue smear D Wood's lamp examination 💡 Explanation The test likely to help in diagnosis of a patient who presents with an itchy annular plaque on the face is: ✓ Correct Answer: B. Potassium hydroxide mount