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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Answer 1

Question

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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Answer 2

Question

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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Answer 3

Question

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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Answer 4

Question

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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Answer 5

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.

Answer 6

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.

Answer 7

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.

Answer 8

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Answer 9

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Answer 11

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. 4CP Ch. 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?

Solution Summary: The author explains that EPSP and IPSP are graded potentials as they cause a change in membrane potential either to less negative or more negative.

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Chapter 12 Solutions