Try it
Dentistry · Oral medicine and oral cancer: nutritional lesions
Sample itemA 40-year-old woman with menorrhagia has fissures at the corners of the mouth, a smooth sore tongue and koilonychia. Which underlying deficiency should be sought?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Iron
Angular cheilitis with atrophic glossitis and koilonychia suggests iron deficiency anaemia, often with secondary Candida. Treat the deficiency and the infection.
Option by option
A. Vitamin K
Vitamin K deficiency causes bleeding, not mucosal atrophy.
B. Iron (correct)
Correct. Iron deficiency causes angular cheilitis, glossitis and spoon nails.
C. Vitamin C
Vitamin C deficiency causes bleeding gums and perifollicular haemorrhage.
D. Vitamin A
Vitamin A deficiency causes night blindness and xerophthalmia.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
More Dentistry questions
- Tooth development: Hertwig's root sheathDuring tooth development, which structure induces odontoblast differentiation in the roo…
- Tooth eruption: first permanent toothA 6-year-old child has a new tooth behind the last deciduous molar, with no deciduous to…
- Tooth development: neonatal lineGround sections of deciduous teeth show an accentuated incremental line in enamel and de…
- Tooth development: cell rests of MalassezEpithelial cell rests of Malassez persist in the periodontal ligament. Which cyst most o…