The speed of propagation of the action potential (an electrical signal) in a nerve cell depends...
The speed of propagation of the action potential (an electrical signal) in a nerve cell depends (inversely) on the diameter of the axon (nerve fiber). If the nerve cell connecting the spinal cord to your feet is 1.3 m1.3 m long and the nerve impulse speed is 18 m/s18 m/s , how long does it take for the nerve signal to travel the distance?
Homework Answers
We need to find the time for which nerve signal to travel the given particular
Using the basic concept of time,distance ,speed we can solve this problem
By the relation,distance =speed * time
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The speed of propagation of the action potential (an electrical
signal) in a nerve cell depends...
The speed of propagation of the action potential (an electrical signal) in a nerve cell dep...
The speed of propagation of the action potential (an electrical signal) in a nerve cell dep the diameter of the axon (nerve iber) if the nerve and the nerve impulse speed tion of the action potential fan electrical signal) in a nerve cell depends (inversely) orn cell connecting the spinal cord to your feet is 1.2m long is 16 m/s, how long does it take for the nerve signal to travel the distance? Number
Universidad ue Europea Action potential in neurons Dendrites Neurons (nerve cells) are the core components of...
Universidad ue Europea Action potential in neurons Dendrites Neurons (nerve cells) are the core components of the nervous system. They provide critical functions such as control ling muscle activity, sensing thinking, remembering, and regulating glandular secretions. Soma Electrical signals and chemical messengers are used to transmit and receive information between them. The neurons consist of: Nclen Asos The cell body (soma) and its processes Dendrites: the branched projections of a neuron that act to propagate the electrochemical stimulation received from...
Section 1 Answer the multiple-choice questions 1-46 on the scantron. 1. Rapid impulse conduction from "node" to "node" (node of Ranvier) is called: A) spatial propagation. B) salt...
Section 1 Answer the multiple-choice questions 1-46 on the scantron. 1. Rapid impulse conduction from "node" to "node" (node of Ranvier) is called: A) spatial propagation. B) saltatory propagation. C) divergent propagation. D) synaptic transmission. E) continuous propagation. 2. Nerve cells control skeletal muscles by using A) the cranial nerves only B) plasma cells C) the spinal nerves only D) electrical impulses E) none of the above 3. The term "voltage regulated" channels means that the membrane ion channels open...
Please try to answer all questions and show work. Thank you. 1. A baseball player is...
Please try to answer all questions and show work. Thank
you.
1. A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player's hand. If we neglect air resistance, then the magnitude of the acceleration of the ball is? A. largest the moment after it leaves the players hand. B. smallgst the moment after it leaves the player's...
The action potential occurs when the voltage across a cell membrane experiences an increase from the...
The action potential occurs when the voltage across a cell membrane experiences an increase from the resting potential (−70.mV) to about 30.mV. This depolarization, in turn, causes a similar response all along the cell membrane; the result is an electrical impulse that sends a signal along the axon of a neuron. The cell membranes can be about 5.0nm across and have an electric field across them due to the change in potential. What is the electric field across the membrane...
D SCAN MATCHING 1. Depolarization 2. Action potential 3. Threshold 4. Repolarization 5. Relative refractory period...
D SCAN MATCHING 1. Depolarization 2. Action potential 3. Threshold 4. Repolarization 5. Relative refractory period 6. Absolute refractory period 7. Resting membrane potential 8. Continuous conduction 9. Saltatory conduction Choices A. a cell whose internal environment has an electrical charge equal to its external environment B. the process of a cell becoming positively charged C. the process of a cell becoming negatively charged D. an electrochemical change in the potential across a membrane that causes an electrical signal to...
Nerve impulses are initiated at the input end of a nerve cell, travel along a relatively...
Nerve impulses are initiated at the input end of a nerve cell, travel along a relatively long axon (cable), and then cause an effect at the output end of the cell-for example, the initiation of a muscle contraction in a muscle cell. The nerve impulse is initiated by a stimulus that lowers the potential difference from outside the cell to inside from its normal – 70 mV to about -50 mV. A potential difference across two parts of the body...
D. has nerve cell bodies located in ganglia near the spinal cord and br E. detects...
D. has nerve cell bodies located in ganglia near the spinal cord and br E. detects a stimulus. The autonomic nervous system A. stimulates skeletal muscle contractions. B. has two sets of neurons in a series. C. is involved in problem solving. D. is under voluntary control. E. does not include the central nervous system. Digestion of food is regulated by the A. sensory division. (B) sympathetic division of the ANS. C. parasympathetic division of the ANS. D. somatic nervous...
Click on picture to Zoom and view question. 3. Assume the Assume the same nerve in...
Click on picture to Zoom and view question.
3. Assume the Assume the same nerve in problem #2 has a diameter of 7.0 um. What is the resistivity and conductivity of the nerve (assumine it to have the same properties as axoplasma)? What would be the nerve resistance and the electromotive force acting through the nerve (using information from #2)? Electromagnetism 2. Assume a nerve of 0.50 m in length is stimulated and sends electrical impulses to the brain. Along...
please answer question 8-13 This is the prior information: Nerve impulses are electrical currents in the...
please answer question 8-13
This is the prior information: Nerve impulses are electrical
currents in the form of “ionic flows.” Therefore the electrical
properties of the axon are important to understand in order to
understand the flow of electrical impulses. In this test, you will
explore the capacitance and resistivity of an axon of a nerve cell.
For this test, the axon will be treated as a CYLINDER of arbitrary
length “L” and radius “a” that is filled with a...
The speed of propagation of the action potential (an electrical signal) in a nerve cell dep the diameter of the axon (nerve iber) if the nerve and the nerve impulse speed tion of the action potential fan electrical signal) in a nerve cell depends (inversely) orn cell connecting the spinal cord to your feet is 1.2m long is 16 m/s, how long does it take for the nerve signal to travel the distance? Number
Universidad ue Europea Action potential in neurons Dendrites Neurons (nerve cells) are the core components of the nervous system. They provide critical functions such as control ling muscle activity, sensing thinking, remembering, and regulating glandular secretions. Soma Electrical signals and chemical messengers are used to transmit and receive information between them. The neurons consist of: Nclen Asos The cell body (soma) and its processes Dendrites: the branched projections of a neuron that act to propagate the electrochemical stimulation received from...
Section 1 Answer the multiple-choice questions 1-46 on the scantron. 1. Rapid impulse conduction from "node" to "node" (node of Ranvier) is called: A) spatial propagation. B) saltatory propagation. C) divergent propagation. D) synaptic transmission. E) continuous propagation. 2. Nerve cells control skeletal muscles by using A) the cranial nerves only B) plasma cells C) the spinal nerves only D) electrical impulses E) none of the above 3. The term "voltage regulated" channels means that the membrane ion channels open...
Please try to answer all questions and show work. Thank
you.
1. A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player's hand. If we neglect air resistance, then the magnitude of the acceleration of the ball is? A. largest the moment after it leaves the players hand. B. smallgst the moment after it leaves the player's...
D SCAN MATCHING 1. Depolarization 2. Action potential 3. Threshold 4. Repolarization 5. Relative refractory period 6. Absolute refractory period 7. Resting membrane potential 8. Continuous conduction 9. Saltatory conduction Choices A. a cell whose internal environment has an electrical charge equal to its external environment B. the process of a cell becoming positively charged C. the process of a cell becoming negatively charged D. an electrochemical change in the potential across a membrane that causes an electrical signal to...
Nerve impulses are initiated at the input end of a nerve cell, travel along a relatively long axon (cable), and then cause an effect at the output end of the cell-for example, the initiation of a muscle contraction in a muscle cell. The nerve impulse is initiated by a stimulus that lowers the potential difference from outside the cell to inside from its normal – 70 mV to about -50 mV. A potential difference across two parts of the body...
D. has nerve cell bodies located in ganglia near the spinal cord and br E. detects a stimulus. The autonomic nervous system A. stimulates skeletal muscle contractions. B. has two sets of neurons in a series. C. is involved in problem solving. D. is under voluntary control. E. does not include the central nervous system. Digestion of food is regulated by the A. sensory division. (B) sympathetic division of the ANS. C. parasympathetic division of the ANS. D. somatic nervous...
Click on picture to Zoom and view question.
3. Assume the Assume the same nerve in problem #2 has a diameter of 7.0 um. What is the resistivity and conductivity of the nerve (assumine it to have the same properties as axoplasma)? What would be the nerve resistance and the electromotive force acting through the nerve (using information from #2)? Electromagnetism 2. Assume a nerve of 0.50 m in length is stimulated and sends electrical impulses to the brain. Along...
please answer question 8-13
This is the prior information: Nerve impulses are electrical
currents in the form of “ionic flows.” Therefore the electrical
properties of the axon are important to understand in order to
understand the flow of electrical impulses. In this test, you will
explore the capacitance and resistivity of an axon of a nerve cell.
For this test, the axon will be treated as a CYLINDER of arbitrary
length “L” and radius “a” that is filled with a...
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