Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if sodium ion enters the cell. Introduction: Neuron is the structural and functional unit of the nervous system. It can be hyperpolarized or depolarized based on the movement of different ions inside and outside of the cell.

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Answer 1

Question

Chapter 8, Problem 23RQ

(a)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if sodium ion enters the cell.

Introduction: Neuron is the structural and functional unit of the nervous system. It can be hyperpolarized or depolarized based on the movement of different ions inside and outside of the cell.

(b)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if potassium ion leaves the cell.

Introduction: Neurons help in the generation of action potential and graded potential to transmit the information inside the body; the electrical conductivity of the neuron changes by the inward and outward movement of ions.

(c)

Summary Introduction

To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.

Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.

(d)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if calcium ions enter the cell.

Introduction: Neurons can receive or send a message from one part of the body to the other. The electrical conductivity of neurons occurs due to unequal distribution of ions in and out of the cell.

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If a cell with the following ion concentrations had a resting membrane potential of -40mV which of the following can you conclude? Extracellular: Cl- = 110 mM, Na+ = 145 mM, K+ = 5mM. Intracellular Cl- = 20 mM, Na+ = 10 mM, K+ = 140mM a) At rest it is only permeable to potassium b) At rest it has some permeability to more than one of these ions c) At rest it is only permeable to chloride d) Rest it is not permeable to sodium

Choose the correct answer: A) When the voltage gated K+ channels open K+ moves down its concentration gradient from the ECF to inside the cell. O B) The value for resting membrane potential is closer to the EK+ (Equilibrium potential for K+) than the ENa+ O C) When the membrane potential is at rest the membrane is more permeable to Na+ than it is to K+ O D) Closing of the voltage-gated Na+ channels increases the permeability of the membrane to Na+

The following is a graph of membrane potential over time during an action potential. At which labeled point, A-D, would permeability to potassium (K+) be the greatest? A) B) C) D)

Answer 2

Question

Chapter 8, Problem 23RQ

(a)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if sodium ion enters the cell.

Introduction: Neuron is the structural and functional unit of the nervous system. It can be hyperpolarized or depolarized based on the movement of different ions inside and outside of the cell.

(b)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if potassium ion leaves the cell.

Introduction: Neurons help in the generation of action potential and graded potential to transmit the information inside the body; the electrical conductivity of the neuron changes by the inward and outward movement of ions.

(c)

Summary Introduction

To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.

Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.

(d)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if calcium ions enter the cell.

Introduction: Neurons can receive or send a message from one part of the body to the other. The electrical conductivity of neurons occurs due to unequal distribution of ions in and out of the cell.

Expert Solution & Answer

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Answer 3

Question

Chapter 8, Problem 23RQ

(a)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if sodium ion enters the cell.

Introduction: Neuron is the structural and functional unit of the nervous system. It can be hyperpolarized or depolarized based on the movement of different ions inside and outside of the cell.

(b)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if potassium ion leaves the cell.

Introduction: Neurons help in the generation of action potential and graded potential to transmit the information inside the body; the electrical conductivity of the neuron changes by the inward and outward movement of ions.

(c)

Summary Introduction

To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.

Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.

(d)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if calcium ions enter the cell.

Introduction: Neurons can receive or send a message from one part of the body to the other. The electrical conductivity of neurons occurs due to unequal distribution of ions in and out of the cell.

Expert Solution & Answer

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Answer 4

Question

Chapter 8, Problem 23RQ

(a)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if sodium ion enters the cell.

Introduction: Neuron is the structural and functional unit of the nervous system. It can be hyperpolarized or depolarized based on the movement of different ions inside and outside of the cell.

(b)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if potassium ion leaves the cell.

Introduction: Neurons help in the generation of action potential and graded potential to transmit the information inside the body; the electrical conductivity of the neuron changes by the inward and outward movement of ions.

(c)

Summary Introduction

To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.

Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.

(d)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if calcium ions enter the cell.

Introduction: Neurons can receive or send a message from one part of the body to the other. The electrical conductivity of neurons occurs due to unequal distribution of ions in and out of the cell.

Expert Solution & Answer

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Answer 5

Chapter 8, Problem 23RQ

(a)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if sodium ion enters the cell.

Introduction: Neuron is the structural and functional unit of the nervous system. It can be hyperpolarized or depolarized based on the movement of different ions inside and outside of the cell.

(b)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if potassium ion leaves the cell.

Introduction: Neurons help in the generation of action potential and graded potential to transmit the information inside the body; the electrical conductivity of the neuron changes by the inward and outward movement of ions.

(c)

Summary Introduction

To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.

Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.

(d)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if calcium ions enter the cell.

Introduction: Neurons can receive or send a message from one part of the body to the other. The electrical conductivity of neurons occurs due to unequal distribution of ions in and out of the cell.

Answer 6

Chapter 8, Problem 23RQ

(a)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if sodium ion enters the cell.

Introduction: Neuron is the structural and functional unit of the nervous system. It can be hyperpolarized or depolarized based on the movement of different ions inside and outside of the cell.

Answer 7

Chapter 8, Problem 23RQ

(a)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if sodium ion enters the cell.

Introduction: Neuron is the structural and functional unit of the nervous system. It can be hyperpolarized or depolarized based on the movement of different ions inside and outside of the cell.

Answer 8

(b)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if potassium ion leaves the cell.

Introduction: Neurons help in the generation of action potential and graded potential to transmit the information inside the body; the electrical conductivity of the neuron changes by the inward and outward movement of ions.

Answer 9

(b)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if potassium ion leaves the cell.

Introduction: Neurons help in the generation of action potential and graded potential to transmit the information inside the body; the electrical conductivity of the neuron changes by the inward and outward movement of ions.

Answer 10

(c)

Summary Introduction

To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.

Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.

Answer 11

(c)

Summary Introduction

To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.

Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.

Answer 12

(d)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if calcium ions enter the cell.

Introduction: Neurons can receive or send a message from one part of the body to the other. The electrical conductivity of neurons occurs due to unequal distribution of ions in and out of the cell.

Answer 13

(d)

Summary Introduction

To determine: Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if calcium ions enter the cell.

Introduction: Neurons can receive or send a message from one part of the body to the other. The electrical conductivity of neurons occurs due to unequal distribution of ions in and out of the cell.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 8.1 - Organize the following terms describing functional...Ch. 8.2 - Where do neurohormone-secreting neurons terminate?Ch. 8.2 - What is the difference between a nerve and a...Ch. 8.2 - Draw a chain of three neurons that synapse on one...Ch. 8.2 - What is the primary function of each of the...Ch. 8.2 - Name the two glial cell types that form myelin....Ch. 8.3 - Given the values in Table 8.2, use the Nernst...Ch. 8.3 - Would a cell with a resting membrane potential of...Ch. 8.3 - Would the cell membrane depolarize or...Ch. 8.3 - Match each ions movement with the type of graded...

Solution Summary: The author explains how neurons transmit the information from one brain cell to the other. The human brain contains millions of neurons.

Concept explainers

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To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.

Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.

Want to see the full answer?

Chapter 8 Solutions

Solution Summary: The author explains how neurons transmit the information from one brain cell to the other. The human brain contains millions of neurons.

Concept explainers

Videos

To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell. Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.

Want to see the full answer?

Chapter 8 Solutions

To determine:Whether the neuron will hyperpolarize or depolarize from resting membrane potential of -70 mV if chloride ions enter the cell.

Introduction: Neurons transmit the information from one neuronal cell to the other. The human brain contains millions of neurons.