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![[solved] . When the membrane potential changes, we use the term... (1)](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw== "[solved] . When the membrane potential changes, we use the term... (1)")
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![[solved] . When the membrane potential changes, we use the term... (2)](https://i0.wp.com/coursehero.s3.amazonaws.com/qattachments_9b4bd3e3b3edd0adb5bc7c060593b27adde1cc48.jpeg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAUTDQKEUAVTTXX4NR%2F20230526%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20230526T031621Z&X-Amz-SignedHeaders=host&X-Amz-Expires=60&X-Amz-Signature=e3d867d3d5a9ce0f3dd07ac0c63926f96f70cb9dc895414170e2571bc43ac6e4 "[solved] . When the membrane potential changes, we use the term... (2)")
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When the membrane potential changes, we use the terms depolarization, hyperpolarization and repolarization. Explain what happens to the membrane potential associated with extracellular fluid during depolarization and hyperpolarization. What does the term repolarization mean? Explain the use of depolarization in determining whether an axonal hillock generates an action potential. Explain the use of depolarization to maintain the movement of action potentials along axons. Explain the use of hyperpolarization in determining whether an axonal hillock generates an action potential. Explain the use of hyperpolarization in subaxonal action potential movement....
![[solved] . When the membrane potential changes, we use the term... (3)](https://i0.wp.com/coursehero.s3.amazonaws.com/qattachments_fcd5df8dfd3cf85f3854ca7fcc26dd9e1a66487f.jpeg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAUTDQKEUAVTTXX4NR%2F20230526%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20230526T031621Z&X-Amz-SignedHeaders=host&X-Amz-Expires=60&X-Amz-Signature=4c4ceed9c4ffed92d5829ac6e42d206c5a4caedd889eb80ddab6448d609e67d0 "[solved] . When the membrane potential changes, we use the term... (3)")
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Question D 21 points: The functional regions of a neuron convert input signals, such as chemical signals, into electrical signals that travel through the cell in various forms of changes in membrane potential. How are chemical signals converted to electrical signals at the cell body (soma) and dendrites? What happens to the electrical signal at the end of the axon that turns it into a chemical signal that can carry the message to another cell? Provides details of the cell body and dendrites, axonal hillocks, and axon terminal channel types. How exactly is information about the amount of stimulation received by the soma and dendrites transmitted to the axon terminal to communicate how much neurotransmitter to release?...
![[solved] . When the membrane potential changes, we use the term... (4)](https://i0.wp.com/coursehero.s3.amazonaws.com/qattachments_3075ec370cd015917a081c843baf34a816b25fbf.jpeg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAUTDQKEUAVTTXX4NR%2F20230526%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20230526T031621Z&X-Amz-SignedHeaders=host&X-Amz-Expires=60&X-Amz-Signature=2573f065d179977c2da66e122c93088232a021331bd00e9f0da03be9013273c9 "[solved] . When the membrane potential changes, we use the term... (4)")
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DQuestion 60.25 points We learned that action potentials generated at axonal hillocks propagate in only one direction. If I artificially create an axon potential in the middle of a stationary axon, in which direction or directions does the action potential go and why? Be as specific as possible about what is happening. Edit View Insert Format Tools Table 12pt ~ Paragraph > B J U A ~ & V TV. ....
![[solved] . When the membrane potential changes, we use the term... (5)](https://i0.wp.com/coursehero.s3.amazonaws.com/qattachments_157685f55dded5a5b28109c6470bd7b835ef36c9.jpeg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAUTDQKEUAVTTXX4NR%2F20230526%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20230526T031621Z&X-Amz-SignedHeaders=host&X-Amz-Expires=60&X-Amz-Signature=ebb3c7bb3acc07a72c783d0b2ff36312e0d44c659e4c251b7d472f9d67e8aa67 "[solved] . When the membrane potential changes, we use the term... (5)")
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Problem D 70.25 points of chemical information binds to 10 ligand-gated ion channels on the dendrites and cell body of a motoneuron. On axonal hillocks, five of these ligands produced excitatory grading potentials of 6 mV and the other five produced inhibitory grading potentials of 4 mV each. The threshold potential of this neuron is -55 mV (resting membrane potential is -70 mV). Is an action potential generated? It is assumed that all pulses arrive at the axonal hillock simultaneously and there is no signal decay. To get full marks, you must demonstrate all the math to justify your answers. Edit View Insert Format Tool Table 12 Points v Paragraph B I U A ~ & v TV:...
![[solved] . When the membrane potential changes, we use the term... (6)](https://i0.wp.com/coursehero.s3.amazonaws.com/qattachments_57f675fad7f2a6e5da078b8b9775835241ef744e.jpeg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAUTDQKEUAVTTXX4NR%2F20230526%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20230526T031621Z&X-Amz-SignedHeaders=host&X-Amz-Expires=60&X-Amz-Signature=d935ca55dda65db22deac6706d48059155da9b4d43d267bf8a1641b4453008b3 "[solved] . When the membrane potential changes, we use the term... (6)")
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Question 31 points: The absolute and relative refractory periods of action potentials determine other parameters of action potentials, eg B. Form unidirectional circuits and limit how often they are triggered (i.e. frequency). What is absolute fire resistance, and what defines the beginning and end of absolute fire resistance? What is relative refractory, and why is it more difficult to generate action potentials during this refractory period? Discuss why these two refractory periods are important for determining the direction of electrical signals along the axon and the frequency at which electrical signals are generated....
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![[solved] . When the membrane potential changes, we use the term... (8)](https://i0.wp.com/assets.coursehero.com/ssi/6175a57d9e664b4db71c.png "[solved] . When the membrane potential changes, we use the term... (8)")
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