Vitamin B₁₂ deficiency in the elderly is least likely to occur from which of the following?

Question

Quizplus · Accepted Answer

Insufficient intake of vitamin B₁₂ is the least likely cause of deficiency in the elderly because most individuals have adequate dietary intake of the vitamin. However, reduced output of intrinsic factor and hydrochloric acid, as well as intestinal bacterial overgrowth, can affect the absorption and utilization of vitamin B₁₂.

Vitamin B12 Deficiency in the Elderly Is Least Likely to Occur

Vitamin B₁₂ Deficiency in the Elderly Is Least Likely to Occur