Question

A 62-year-old vegan man presents with numbness and tingling in his feet and difficulty walking. Examination reveals reduced vibration and position sense in the lower limbs. Haemoglobin is 100 g/L and MCV 110 fL. What is the most likely deficiency causing his neurological symptoms?

Accepted Answer

Vitamin B12 deficiency

Answer

Iron deficiency

Answer

Folate deficiency alone

Answer

Vitamin C deficiency

Answer

Vitamin D deficiency

Practice question

A 62-year-old vegan man presents with numbness and tingling in his feet and difficulty walking. Examination reveals reduced vibration and position sense in the lower limbs. Haemoglobin is 100 g/L and MCV 110 fL. What is the most likely deficiency causing his neurological symptoms?