ANS Basics Flashcards
1
Q
CNS
A
brain
spinal cord
2
Q
peripheral nervous system
A
autonomic
somatic
3
Q
Divisions of autonomic nervous system
A
parasympathetic
sympathetic
4
Q
Afferent (sensory) neurons
A
important role in reflexes
necessary to maintain homeostasis
5
Q
Efferent neurons
A
innervate smooth muscle, cardiac muscle, exocrine glands, secretory epithelia
6
Q
why are we more concerned w efferent than afferent for HTN treatment
A
neuronal discharge directly alters function of effector organ
more is known about the neurotransmitters of the efferent side
we can manipulate them pharmacologically
7
Q
ANS function
A
body temperature heart rate blood pressure intestinal activity salivation sweating pupil diameter
8
Q
Sympathetic preganglionic locations
A
thoracolumbar
spinal segments T1-L3
9
Q
Parasympathetic preganglionics location
A
craniosacral
cranial nerves 3, 7, 9, 10
sacral segments 2-4 of spinal cord
