question: 30 years old came with complaints of easy fatigability, exeional dyspnea, and weight loss. She also complains of frequent falls. physical examination revealed there was a bilateral decrease in vibration sense. Her hemoglobin levels were 8.2g%. She was treated with folate. Her anemia improved but neurological symptoms worsened. Which of the following is the most probable reason for her condition?
opa: Folate not absorbed
opb: Unmasked pyridoxine deficiency
opc: Deficiency of folate reductase in CNS
opd: Folate therapy caused rapid use of Vit B12 stores aggravating symptoms