Autonomic Nervous system Flashcards
What does efferent mean?
Carry from
What is a ganglion?
Group of nerve cells bodies in PNS
What is an example of what the sympathetic NS does?
Flight or fight - increased hr, increased bp, pupil dilation, blood sugar
What is an example of what the parasympathetic NS does?
Rest and digest - decreased hr, increased gi motility, brow constriction
What receptor is used for neurotransmitter in all pregangionic ANS neurons?
Acetylcholine
What are the two types of acetylcholine receptor?
Nicotinic and muscarnic
What are muscarinic receptors blocked by?
Atropine
What are nicotonic receptors blocked by?
Curare
What are the three neural outputs of CNS?
Somatic motor
Sympathetic
Parasympathetic
What is the size of the pregangionic neuron in parasympathetic?
Long
Where is the location of ganglia in the sympath?
Paravertebral
Where is the location of the ganglia in parasympathetic?
Close to effector
What are side effector of ANS problems?
Low bp- inability to sweat - constipation - impotence
What can cause ANS problems?
Diabetes
Old age
Drugs
Spinal inju
Where releases cortisol?
Adrenal cortex
