What are the divisions of the peripheral nervous system

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Assignment:

Biology Questions:

What are the divisions of the peripheral nervous system?
What does each division of the peripheral nervous system regulate?
What are the three types of neurons, what do they do, and where do they bring their signals?
What are the structures of a neuron?
What is the importance of the myelin sheath?
What are the components of the myelin sheath?
What are leak/ligand-gated/voltage-gated channels?
Where are leak/ligand-gated/voltage-gated channels found?
What are the five glial cells?
What does each of the five glial cells do?
What is a neuron's resting membrane potential?
Is the neuron more permeable to sodium or potassium? Why?
What is depolarization/repolarization/hyperpolarization?
What is a graded/action potential, and how are they triggered?
Would an excitatory/inhibitory graded potential trigger depolarization or hyperpolarization?
What is the threshold for a neuron to trigger an action potential?
What is summation?
Which of the following is an example of spatial/temporal summation?
What are the three phases of an action potential?
What causes each of the three phases of an action potential?
What happens to permeability of potassium/sodium during X phase of the action potential?
What are the gates of the sodium channel?
Would an action potential be triggered be a threshold/subthreshold/suprathreshold stimulus? If so, would it be stronger or weaker than normal?
What are the two stages of the refractory period? It is possible to fire an action potential during it?
What is happening to sodium channels in X stage of the refractory period?
What does all-or-none/frequency coding/unidirectional propagation mean for action potentials?
What is the presynaptic neuron as compared to the postsynaptic neuron?
What are the 3 types of synapse?
How do the 3 types of synapse affect signals differently?
What structures do you find on the axon terminal of a presynaptic neuron?
What structures do you find on the excitable membrane of a postsynaptic neuron?
Are ionotropic/metabotropic receptors coupled to channels or to enzymes?
Are ionotropic/metabotropic receptors fast or slow acting?
What would an excitatory/inhibitory postsynaptic potential do to likelihood of generating an action potential?
What channels would be opened or closed to trigger an excitatory/inhibitory postsynaptic potential?
What neurotransmitter could trigger an excitatory/inhibitory postsynaptic potential?
How would presynaptic facilitation/inhibition do to neurotransmitter release?
Which of the following neurotransmitters is a choline derivative/biogenic amine/amino acid/purine/neuropeptide?
What class of neurotransmitter is neurotransmitter X? (IE glycine being an amino acid messenger)
What enzyme synthesizes/breaks down acetylcholine?
What is the term for an ionotropic/metabotropic receptor for acetylcholine?
What is the function of dopamine/norepinephrine/epinephrine/serotonin/histamine?
What enzymes break down biogenic amines?
What are the receptors for the catecholamines?
Are alpha/beta receptors metabotropic or ionotropic?
Is this amino acid neurotransmitter used at excitatory or inhibitory synapses?
Is this amine neurotransmitter used at excitatory or inhibitory synapses?

Central Nervous System

What are the three meninges?
What is the order of the three meninges?
What is the role of cerebrospinal fluid?
How do neurons get their energy?
What is the benefit/downside of the blood-brain barrier?

Reference no: EM133290638

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