Pathology · single question
Myeloneuropathy is most commonly caused by deficiency of which nutrient?
Show answer and explanation
Correct answer: A. Zinc
The source documents zinc as the answer. NOTE: Classic teaching attributes subacute combined degeneration (myeloneuropathy) to Vitamin B12 deficiency. Know both for the INBDE.
- A. ✅ CORRECT (per source) – Zinc is documented. ⚠️ Classic teaching = B12 deficiency; know both.
- B. ❌ Iron deficiency causes anemia but not typically myeloneuropathy.
- C. ❌ B12 is the classic answer in most references; the source documents zinc.
- D. ❌ Folate causes megaloblastic anemia and neural tube defects.