Autonomic Nervous System

Question 1

Describe the autonomic nervous system(ANS)

Answer 1

Autonomic=involuntary

Sympathetic and parasympathetic

Question 2

Define transmitters

Answer 2

chemical signalling molecules

-for cell to cell communication

Question 3

Define ganglion

Answer 3

collection of neuronal cell bodies outside the CNS

Question 4

Define Viscera

Answer 4

organs

Question 5

What motor system is involved in voluntary movements

Answer 5

Somatic motor system, Upper motor neurons to lower motor neurons Lower motor neuron in PNS to skeletal muscle

Question 6

Describe sympathetic preganglionic neurons

Answer 6

Thoracolumbar (1st thoracic to 2nd lumbar segment)

SHORT axons

Question 7

For the SNS, what are the lengths of pre/postganglionic axons

Answer 7

preganglionic axons short

postganglionic axons long

Question 8

What are the 2 parts of the autonomic nervous system?

Answer 8

Sympathetic

Parasympathetic

Question 9

Where does the sympathetic nervous system innervate?

Answer 9

Everywhere in the body that has a blood supply.