10 Questions
Match the following terms with their correct descriptions:
Somatic motor nervous system = One neuron system Autonomic Nervous System = Two neuron system Preganglionic neuron = Myelinated neuron before the ganglia Postganglionic neuron = Unmyelinated neuron after the ganglia
Match the following neurotransmitters with their roles in the autonomic nervous system:
Acetylcholine = Released by the first neuron; always excitatory Epinephrine or norepinephrine = Released in the sympathetic nervous system Second neuron's neurotransmitter = Determines whether sympathetic or parasympathetic response
Match the following with their correct divisions in the autonomic nervous system:
Sympathetic division = Fight or flight; excitatory Parasympathetic division = Rest and digest; inhibitory
Match the following terms with their locations in the autonomic nervous system:
Ganglia of the sympathetic trunk = Located inside the trunk Prevertebral ganglia = Located outside the trunk
Match the neurotransmitter with the correct type of neuron:
Acetylcholine = Postganglionic neuron Norepinephrine = Sympathetic postganglionic neuron Epinephrine = Adrenergic neuron
Match the location with the type of ganglia:
On or near the effectors = Terminal ganglia In the sympathetic chain = Prevertebral ganglia Located on or near the carotid arteries = Cephalic periarterial nerves In or near visceral organs = Visceral ganglia
Match the type of receptors with the neurotransmitter:
Nicotinic receptors = Acetylcholine Adrenergic receptors = Norepinephrine Cholinergic receptors = Epinephrine Excitatory receptors = Acetylcholine
Match the division with the nerves it originates from:
Parasympathetic Division = CN III, VII, IX, X and SN S2-S4 Sympathetic Division = Sympathetic chain and splanchnic nerves Sweat glands exception = Releases acetylcholine Adrenal medulla pathway = Leaves trunk without synapsing
Match the pathway with its description:
Preganglionic neuron synapses at same level = Synapse right here Neuron leaves trunk without synapsing to prevertebral ganglia = Splanchnic nerve Neuron leaves trunk without synapsing to adrenal medulla = Chromaffin cells synapse Postganglionic fibers going to visceral organs directly from sympathetic chain = Sympathetic nerves pathway
Match the effect on adrenergic receptors with its description:
Excitatory or inhibitory effect on effector tissue = Effect of norepinephrine Always excitatory effect on neurons = Nicotinic receptors activation Excitatory effect on all postganglionic neurons except sweat glands = Acetylcholine release by postganglionic neurons Mainly inhibitory effect in most cases = Effect of cholinergic neurons
Test your knowledge on the structure and function of the somatic motor nervous system and autonomic nervous system. Learn about the single neuron system in the somatic motor nervous system and the two neuron system in the autonomic nervous system.
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