Chapter 16: Autonomic Nervous System

Question 1

what is the function of the autonomic nervous system?

Answer 1

to regulate homeostasis (for example, heart rate, breathing rate, body temp, etc.)

Question 2

thoraculumbar system (sympathetic division of the autonomic nervous system)

Answer 2

in charge of the fight or flight response. increases heart rate, breathing rate, increases blood flow, and sharpens our senses. Located in the lateral horns of the spinal cord T1 to L2

Question 3

parasympathetic (craniosacral)

Answer 3

rest and digest. increases bodily processes that get us back into homeostasis to prep for another “life crisis.” Located in the lateral horns from S2 to S4.

Question 4

sympathetic chain ganglia

Answer 4

the ganglia that exit the lumbar thoracic area and line the vertebral column. They extend into the cervical and sacral regions

Question 5

collateral ganglia

Answer 5

unpaired ganglia located in the abdominopelic cavity

Question 6

white ramus comminicans

Answer 6

a short connection between a spinal nerve and a sympathetic chain ganglion.

Question 7

terminal ganglia

Answer 7

ganglia located near the organ innervated or embedded in the wall of the organ.

Question 8

dual innervation

Answer 8

innervation by both sympathetic and parasympathetic divisions