8. A 72-yeаr-оld pаtient with histоry оf type II diаbetes presents to outpatient PT for evaluation and treatment of frequent falls. She reports an insidious onset of balance problems a few years ago which have gradually worsened. She also reports numbness in both of her feet that started several years prior to her balance problems. The numbness is now also affecting her fingertips. Symptoms: Insidious onset of imbalance a few years ago Gradual worsening over time Several years of foot numbness (preceding balance problems) Progressed over time to involve fingers Based on this patient’s symptom presentation, which types of nerve fibers are most likely affected?