EBK PRINCIPLES OF ANATOMY AND PHYSIOLOG
16th Edition
ISBN: 9781119662686
Author: DERRICKSON
Publisher: VST
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Chapter 12, Problem 20CP
Summary Introduction
To review:
The reason, due to EPSP (excitatory postsynaptic potential) as well as IPSP (inhibitory postsynaptic potential) are considered as graded potential and action potential are said to be “all-or-none”.
Introduction:
Resting membrane potential is when the inside potential of the cell's membrane is negative, that is, −70 mV (millivolt). When the resting membrane potential becomes more negative, hyperpolarization occurs and when the resting membrane potential becomes less negative, depolarization occurs. This hyperpolarization or depolarization causes the graded potential to occur. Thus, the graded potential means any change or deviation from the resting membrane potential.
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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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