The autonomic nervous system Flashcards
what are the names of the 2 nodes on the heart
sinoatrial node
atrioventricular node
what is the neurotransmitter in the sympathetic system in the heart
noradrenaline B receptor
what is the neurotransmitter in the parasympathetic system in the heart
acetylcholine M2 receptor
where is the ganglia in the parasymaptic system
near the target oran
where is the ganglia in the sympathetic system
further away from the target organ
when you stand up what does the sympathetic nervous system do
constricts the arterioles and maintains blood pressure
what can the primary case of hypertension be associated with
- an increase in the sympathetic nervous system activity
what innervates the adrenal gland to cause the release of adrenaline and noradrenaline
sympathetic nervous system
where is the sympathetic trunk
- these are paired bundles of nerves that run from the base of the skull to the coccyx
what innervates all blood vessels causing constriction
sympathetic
what is the patella reflux
involuntary
somatic
are the sensory and motor components of the somatic nervous system completely separated in the periphery and carried by separate nerves
false
are innervations to the diaphgram somatic or autonomic
somatic
what is a myotome
the muscle and tis nerve
- each muscle in the body is supplied by a particular level or segment of the spinal cord and by its corresponding spinal nerve
