A) no impulse is transmitted
B) impulse is transmitted but slowly
C) impulse is trasmitted fast
D) no effect on impulse
Correct Answer: A
Solution :
Spinal nerve is a mixed nerve which arises from gray matter of spinal cord. Spinal nerves have two roots. The dorsal root is sensory and the ventral root is motor, if dorsal nerve of spinal cord is broken down, the patway of nerve will break so, no impulse will transmitted.
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