Question

After cutting through the dorsal root of a spinal nerve of a mammal, when associated receptor in the skin were stimulated, the animal would

• A. Still be able to feel the stimulation
• B. Show no response
• C. Show a normal but slow response
• D. Respond but only at a different level of spinal cord

Answer 1

The correct option is B Show no response

When multiple peripheral nerves are affected by disease (polyneuropathy), cutaneous sensation loss occurs in the hands and feet. The parts most affected are those most distant from the sensory neuron cell bodies in the dorsal root ganglia.