Final answer:
Jacob's physical findings suggest sensory issues between the spinal cord and the brain. Medical and therapeutic interventions can help maximize his independence.
Step-by-step explanation:
Jacob's physical findings include difficulty feeling the tip of a pen on his left arm and leg and a sensation of pins and needles in those limbs. These symptoms suggest a problem with the sensory systems between the spinal cord and the brain. Jacob and his family should address these issues with medical and therapeutic interventions to maximize his current level of independence. Physical therapy and occupational therapy can help improve Jacob's strength, coordination, and sensory integration, allowing him to better navigate his environment.