EBK PRINCIPLES OF ANATOMY AND PHYSIOLOG
16th Edition
ISBN: 9781119662686
Author: DERRICKSON
Publisher: VST
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Textbook Question
Chapter 12, Problem 10CP
Why are voltage-gated channels important?
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Chapter 12 Solutions
EBK PRINCIPLES OF ANATOMY AND PHYSIOLOG
Ch. 12 - l. What is the purpose of a sensory receptor?
Ch. 12 - What are the components and functions of the SNS...Ch. 12 - 3. Which subdivisions of the PNS control voluntary...Ch. 12 - Prob. 4CPCh. 12 - 5. Describe the parts of a neuron and the...Ch. 12 - Give several examples of the structural and...Ch. 12 - 7. What is a neurolemma, and why is it important?
Ch. 12 - 8. With reference to the nervous system, what is a...Ch. 12 - 9. What types of electrical signals occur in...Ch. 12 - 10. Why are voltage-gated channels important?
Ch. 12 - 11. What is the typical resting membrane potential...Ch. 12 - 12. How do leak channels contribute to resting...Ch. 12 - 13. What is a hyperpolarizing graded potential?
Ch. 12 - 14.What is a depolarizing graded potential?
Ch. 12 - What happens during the depolarizing phase of an...Ch. 12 - Prob. 16CPCh. 12 - 17. What effect does miyelination have on the...Ch. 12 - How is neurotransmitter removed from the synaptic...Ch. 12 - Prob. 19CPCh. 12 - Prob. 20CPCh. 12 - Prob. 21CPCh. 12 - Prob. 22CPCh. 12 - What is a neural circuit?Ch. 12 - What are the functions of diverging, converging,...Ch. 12 - What factors contribute to a lack of neurogenesis...Ch. 12 - What is the function of the regeneration tube in...Ch. 12 - The buzzing of the alarm clock woke Carrie. She...Ch. 12 - Prob. 2CTQCh. 12 - As a torture procedure for his enemies, mad...
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- What effect would decreasing the concentration of extracellular potassium ions have on the membrane potential of a neuron?arrow_forwardWhat is the effect of Cl-Cl¯-channel opening on the excitability of a neuron?arrow_forwardWhen a neuron opens voltage-gated Na+ channels, what happens to the membrane potential?arrow_forward
- What kinds of changes in ion conductance may be expected in an action potential? And how do ion channels permit these changes?arrow_forwardWhat is an important characteristic of ion channels?arrow_forwardWhat kind of graded potential describes a change in membrane potential from 70 to 60 mV? From 70 to 80 mV?arrow_forward
- What happens to the membrane potential inside and outside of the cell when K+ channels are open?arrow_forwardWhy is it that some cells can produce action potentials and others cannot?arrow_forwardContrast chemically gated and voltage gated channels. How do their functions differ? In which segments of a neuron are found?arrow_forward
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