With respect to the three structural types of neurons (unipolar, bipolar & multipolar): State which parts of each type of neuron receive information, which parts integrate information, and which parts conduct the output signal of the neuron. Describe the location of the cell bodies of each type of neuron within the nervous system.
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With respect to the three structural types of neurons (unipolar, bipolar & multipolar): State which parts of each type of neuron receive information, which parts integrate information, and which parts conduct the output signal of the neuron. Describe the location of the cell bodies of each type of neuron within the nervous system.
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- 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 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.1) Draw a pseudo-unipolar neuron synapsing onto a dendrite on a multi-polar neuron. Label the cell body on both neurons and the synaptic cleft. 2) Draw a typical neuron and the relative ion concentrations (high or low) for Na+ and K+ inside and outside the cell. 3) If a cation channel suddenly opened at rest which direction would K+ move and why? Which way would Na+ ions move? 2
- Identify and describe the four functional neuron segments, including the distribution of channels and pumps in each.The following table summarizes the characteristics of four different neurons. Based on these characteristics, which of these neurons would most likely have the slowest conduction velocity? Neuron #3 #4 O #1 O #2 #3 O #4 Diameter (μM) P Myelination noIf a neuron is stimulated simultaneously by 2 stimuli at its dendrites (one generates a very large hyperpolarizing potential and the other generates a very small depolarizing potential). What would happen to this neuron? Group of answer choices The summation of these two graded potentials will generate an action potential and this action potential will travel down the axon. Summation of these two graded potentials will cause the membrane potential at the axon hillock to be more negative. These graded potentials will bring the resting membrane potential to 0 mV. These graded potentials with opposite polarity would therefore generate two action potentials and they will travel along this neuron in opposite direction.
- A neuron has a resting membrane potential of -70 milivolts (mV) and a threshold value of -55 mV. Three synapses on the body of this neuron receive the impulses listed below. hyperpolarisation by 5 mV • depolarisation by 15 mV • depolarisation by 10 mV ENTER THE MEMBRANE POTENTIAL AS A NUMBER WITH + OR - IN FRONT OF IT. The final membrane potential will be mV and this cause an action potential becasue it is v than theExplain IN DETAIL the processes of synaptic transmission and summation, including the roles of calcium ions, neurotransmitters, degradation enzymes, graded potentials, EPSPs and IPSPs, and various types of cellular connections (axoaxonal, axodendritic, axosomatic, etc.) Include a description of how temporal and spatial summation affect the outcome of the summation processWhat is the relationship between the sodium-potassium pump and a neuron's resting membrane potential? The sodium-potassium pump allows three negatively charged sodium ions out of the cell for every two negatively charged potassium ions allowed into the cell, there by keeping the cell positively charged and at a resting membrane potential The sodium-potassium pump allows three positively charged potassium ions out of the cell for every two positively charged sodium ions allowed into the cell, thereby keeping the cell negatively charged and at a resting membrane potential 100 The sodium-potassium pump allows three positively charged sodium ions out of the cell for every two positively charged potassium ions allowed into the cell, thereby keeping the cell negatively charged and at a resting membrane potential The sodium-potassium pump allows three negatively charged potassium ions out of the cell for every two negatively charged sodium ions allowed into the cell, thereby keeping the cell…
- A postsynaptic neuron has three presynaptic inputs from neurons X, Y, and Z. When X and Y are stimulated simultaneously and repeatedly, the postsynaptic neuron reaches threshold and undergoes an action potential. When X and Z are stimulated simultaneously, however, there is no change in the membrane potential of the postsynaptic neuron. Which of the following is correct? Select one: A. The simultaneous stimulation of X and Z is an example of temporal summation. O B. The simultaneous stimulation of X and Y is an example of temporal summation. O C. The repeated rapid stimulation of X is an example of spatial summation. O D. The stimulation of Y causes an IPSP in the postsynaptic neuron. O E. The stimulation of Z causes a hyperpolarization in the postsynaptic neuron.Describe in detail the function for three type of potentials seen in neurons and describe in detail the three types of potentials seen in neurons?Draw 3 diagrams of the 3 types of neurons (bipolar, multipolar, unipolar)For unipolar, use the terms central projection and peripheral projectionLabel the parts of the neuron for each neuron type (dendrite, axon, cell body, myelin, axon terminal)Do not use images from the internet.