ANS

Question 0

What part of the spinal chord does parasympathetic outflow come from?

Answer 0

Cranial & sacral outflows

Question 1

What part of the spinal chord does sympathetic outflow come from?

Answer 1

T1-L3

thoraco-lumbar outflows

Question 2

What is the nervous system of the GI tract called?

Answer 2

ENS

Question 3

What controls autonomic neurones in the CNS?

Answer 3

Pathways descending from higher regions, in particular the hypothalamus

Question 4

What NT do all pre- ganglionic neurones release & what rec does it act on?

Answer 4

Ach

Nicotinic cholinergic

Question 5

In sympathetic post-ganglionic nerves, what else is released as well as NA?

Answer 5

A peptide called neuropeptide Y

NPY

Question 6

Where is NPY particularly prominent?

Answer 6

Blood vessels

Question 7

What is a function on NPY?

Answer 7

Release from the same terminal as NA, prolonging the vasoconstriction as the effect of NA is usually quite short.

Question 8

What other peptide is released with ACh?

Answer 8

VIP

Question 9

What is the action of VIP?

Answer 9

Increasing BF through glandular tissue. Helpful in replacing secretion of gland by ⬆️ blood supply

Question 10

What 4 cranial nerves carry parasympathetic nerve fibres?

Answer 10

3, 7, 9, 10

Question 11

Via what CN is info transmitted from baroreceptors to the brainstem?

Answer 11

Glossopharyngeal nerve