Autonomic NS Recap Flashcards
What composes the CNS?
Brain
Spinal cord
What composes the peripheral nervous system?
Afferent (sensory)
Efferent (motor)
What composes the efferent motor NS?
Somatic
Autonomic
What are the 2 divisions of the autonomic nervous system?
Parasympathetic
Sympathetic
The autonomic nervous system is a division of?
Efferent NS
Sympathetic nerves have..
a. Craniosacral outflow
b. Thoracolumbar outflow
c. Long preganglionic and short postganglionic fibres
d. Short preganglionic and long postganglionic fibres
Thoracocolumbar outflow
and short pre ganglionic with long post ganglionic fibres
Where are sympathetic ganglia located?
Para and pre vertebral ganglia
What type of outflow do parasympathetic nerves have?
Craniosacral
In the sympathetic system the synapses between pre- and post-ganglionic cells are …..
Cholinergic and nicotinic
In the parasympathetic system the synapses between pre- and post-ganglionic cells are …..
Cholinergic and nicotinic
In the parasympathetic system the synapses between post-ganglionic cells and their target are…
Cholinergic and muscarinic
Post-ganglionic cells in the adrenal medulla..
a. ) release adrenaline
b. ) have axons
c. ) are part of the sympathetic system
d. ) contribute to mass activation
All of them
What receptors do adrenaline and noradrenalin act on?
Alpha receptors
Beta receptors
In the heart what does parasympathetic activation cause?
Decrease in heart rate
by release of acetylcholine
Which part of the body does not have parasympathetic innervation and is instead controlled by tone?
Blood vessels
