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- Describe the structure of a neuron and the function of each part. What are the differences between axons and dendrites?
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- List the components of the neuron and list the function of each part. List the 6 glial cells, each of their functions, and whether they are found in the CNS of PNS.Provide a microscopic picture of a "typical neuron" that shows the soma, dendrites, axon, axon hillock, collateral axon, node of ranvier and presynaptic terminal.Glial cells take care of neurons. Review the different types of glial cells by matching each description with the appropriate cell. You may use answers more than once. 1. Wrap around axons in the CNS: 2. Wrap around axons in the PNS: 3. Regulate exchange of substances with capillaries and control interstitial space: 4. Surround, regulate, and protect cell bodies of neurons in the PNS: 5. Tiny macrophages that engulf unwanted substances and keep the CNS "clean": 6. Provide a supportive network: 7. Help produce cerebrospinal fluid at choroid plexus:
- Identify and label the following structures on the neuron model figure below: cell body, dendrites, neuron nucleus, neurolemma, axon hillock, nucleus of Schwann cell, Nissl bodies, myelin sheath, axon, node of Ranvier, axon terminals (of neurons synapsing with model neuron), endoneurium (refer to Figure 10.6). 3) 11Draw a neuron, label the following parts and give their functions: Cell body, nucleus, axon, myelin, schwann cell, nodes of Ranvier dendrites, synaptic knob, impulse,Identify the primary functional roles of each part of the neuron; dendritic arbor, cell body, axon hillock, axon, and synaptic terminal.
- Label the 4 major regions of the neuron and describe their functions.Which of the following choices correctly fills in the blanks? After repolarization, the sodium ions are found _____A_______ the neuron and the potassium ions are found ______B_____ of the neuron. This reversal of ions can be fixed by the action of ____________C______________. ____D____ sodium ions are taken out and ___E____ potassium ions are brought in. a. A B C D E outside inside Na+/K+ exchange pump two three b. A B C D E outside inside voltage gated channels two three c. A B C D E inside outside Na+/K+ exchange pump three two d. A B C D E inside outside voltage gated channels three twoWhat word is used to describe the summation of excitatory and inhibitory stimuli by a neuron? synapse impulse integration action potential
- Describe the anatomy and physiology of a neuron. keywords:neuron, action potentials, potassium/sodium pumps, innervation.Describe how neurons communicate. To do this you must address: resting membrane potential; graded potentials; IPSPs; EPSPs; the role of sodium, potassium and calcium; generation of an action potential; inotropic vs metabutropic receptors; why is an AP only one direction; how are neurotransmitters released; continuous vs saltatory conduction; spatial vs temporal summation.Draw a chain of two neurons that synapse on one another in sequence. Label the presynaptic and postsynaptic ends of each neuron, the cell bodies, dendrites, axons, axon hillock and axon terminals, location of voltage gated Ca²+ channels, location of voltage gated Na+ channels, location of voltage gated K* channels, location of Na*/ K+ pumps, location of neurotransmitter storage, location of neurotransmitter receptors. Consider your drawing and describe the function of neurons. Include an explanation why neurons are considered polarized cells and how this relates to their function. (Polarized here is not referring to membrane potential as all cells have a membrane potential). This means you will need to explain the location of different channels in the neuron and the relationship of the channels to the function of a neuron.