Question

Autonomic nervous system is

• A. Paired chain ganglia
• B. Brain and spinal cord
• C. Sense organs
• D. Cerebral hemispheres

Answer 1

The correct option is A Paired chain ganglia

• The bilaterally symmetric sympathetic chain ganglia also called the paravertebral ganglia are located just ventral and lateral to the spinal cord. The chain extends from the upper neck down to the coccyx.
• There are usually 22-23 pairs of these ganglia: 3 in the cervical region, 11 in the thoracic region, 4 in the lumbar region and 4-5 in the sacral region.
  

So, the correct answer is 'Paired chain ganglia'