Autonomic nervous system

Question 1

What is the general overview of neurones in the ANS?

Answer 1

2 neurones in series. 1 cell body in the CNS and myelinated, 1 cell body in the PNS and not myelinated

Question 2

What can the ANS be split into?

Answer 2

Sympathetic branch

Parasympatehtic branch

Question 3

What is the sympathetic branch of the ANS responsible for?

Answer 3

Fight or Flight response in stress situation

Question 4

What is the parasympathetic branch of the ANS respsonsible for?

Answer 4

Maintaining the Basal state

Question 5

Which organ receives Sympathetic innervation only?

Answer 5

Sweat glands

Question 6

What is the spinal outflow of the Sympathetic branch of the ANS?

Answer 6

Thoraco-Lumbar

Question 7

In the Sympathetic branch of the ANS, what are the neurotransmitters?

Answer 7

Pre ganglionic - Cholinergic

Post ganglionic - Noradrenergic

Question 8

What is the spinal outflow of the Parasympathetic branch of the ANS?

Answer 8

CranioSacral

Question 9

In the Parasympathetic branch of the ANS, what are the neurotransmitters?

Answer 9

Pre ganglionic - Cholinergic

Post ganglionic - Cholinergic

Question 10

What 2 mechanisms are exceptions to the Sympathetic innervation ‘rules’?

Answer 10

Sweating and Ejaculation are Cholinergic even though they are Sympathetic ANS