Chapter 11 Flashcards
What are the 2 parts of the autonomic nervous system
Parasympathetic nervous system
Sympathetic nervous system
Which system is the fight or flight system
Sympathetic nervous system
The parasympathetic nervous system is also know as
Rest and digest
What is the level of activity of the nervous system called
Tone
True or false - generally only one of the parasympathetic nervous system or sympathetic nervous systems are “on”
False - Both are always “on”
What are the three components of an ANS efferent pathway
Pre-ganglionic neuron
Post-ganglionic neuron
Effector organ
Which branch of the ANS is the fastest acting and why?
Parasympathetic nervous system - long myelinated pre-ganglionic neuron
What neurotransmitter(s) are released by the parasympathetic nervous system
Acetylcholine
Where does the sympathethic nervous system release acetylcholine from the post-ganglionic neuron
Sweat glands, piloerector muscles (hair)
What kind of neurons does the parasympathetic nervous system use
Cholinergic
What types of receptors are generally G-protein receptors
Muscarinic cholinergic
Adrenergic
What are the effects of the sympathetic nervous system longer lasting
Neurotransmitter is released into the blood stream which takes longer to clear
