The dorsal root of the spinal nerve of a test animal was severed. What changes will occur in the innervation area?

Answer options

1. Loss of sensitivity and motor function
2. Increased muscle tone
3. Loss of motor function
4. Decreased muscle tone
5. Loss of sensitivity

Explanation

The dorsal root of the spinal nerve of a test animal was severed. What changes will occur in the innervation area?Loss of sensitivity. Through dorsal (posterior) root sensory nerves enter the spinal cord and through ventral (anterior) root motor fibers exit the spinal cord.