The electrical activity of the cells of the sinoatrial node (SA) and the function of the SA node as normal pacemaker. Introduction: Cardiac cycle includes the diastole and systole of the atria and ventricles. Diastole is the relaxation period, where the systole is the contraction period of atria and ventricles of the heart. The closing of atrioventricular (AV) valves causes the first sound of the heart and the closing of semilunar valves produces the second sound of the heart.

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Answer 1

Question

Chapter 13, Problem 10aCP

Summary Introduction

To review:

The electrical activity of the cells of the sinoatrial node (SA) and the function of the SA node as normal pacemaker.

Introduction:

Cardiac cycle includes the diastole and systole of the atria and ventricles. Diastole is the relaxation period, where the systole is the contraction period of atria and ventricles of the heart. The closing of atrioventricular (AV) valves causes the first sound of the heart and the closing of semilunar valves produces the second sound of the heart.

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Answer 2

Question

Chapter 13, Problem 10aCP

Summary Introduction

To review:

The electrical activity of the cells of the sinoatrial node (SA) and the function of the SA node as normal pacemaker.

Introduction:

Cardiac cycle includes the diastole and systole of the atria and ventricles. Diastole is the relaxation period, where the systole is the contraction period of atria and ventricles of the heart. The closing of atrioventricular (AV) valves causes the first sound of the heart and the closing of semilunar valves produces the second sound of the heart.

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Answer 3

Question

Chapter 13, Problem 10aCP

Summary Introduction

To review:

The electrical activity of the cells of the sinoatrial node (SA) and the function of the SA node as normal pacemaker.

Introduction:

Cardiac cycle includes the diastole and systole of the atria and ventricles. Diastole is the relaxation period, where the systole is the contraction period of atria and ventricles of the heart. The closing of atrioventricular (AV) valves causes the first sound of the heart and the closing of semilunar valves produces the second sound of the heart.

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Answer 4

Question

Chapter 13, Problem 10aCP

Summary Introduction

To review:

The electrical activity of the cells of the sinoatrial node (SA) and the function of the SA node as normal pacemaker.

Introduction:

Cardiac cycle includes the diastole and systole of the atria and ventricles. Diastole is the relaxation period, where the systole is the contraction period of atria and ventricles of the heart. The closing of atrioventricular (AV) valves causes the first sound of the heart and the closing of semilunar valves produces the second sound of the heart.

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Answer 5

Chapter 13, Problem 10aCP

Summary Introduction

To review:

The electrical activity of the cells of the sinoatrial node (SA) and the function of the SA node as normal pacemaker.

Introduction:

Cardiac cycle includes the diastole and systole of the atria and ventricles. Diastole is the relaxation period, where the systole is the contraction period of atria and ventricles of the heart. The closing of atrioventricular (AV) valves causes the first sound of the heart and the closing of semilunar valves produces the second sound of the heart.

Answer 6

Chapter 13, Problem 10aCP

Summary Introduction

To review:

The electrical activity of the cells of the sinoatrial node (SA) and the function of the SA node as normal pacemaker.

Introduction:

Cardiac cycle includes the diastole and systole of the atria and ventricles. Diastole is the relaxation period, where the systole is the contraction period of atria and ventricles of the heart. The closing of atrioventricular (AV) valves causes the first sound of the heart and the closing of semilunar valves produces the second sound of the heart.

Answer 7

Chapter 13, Problem 10aCP

Summary Introduction

To review:

The electrical activity of the cells of the sinoatrial node (SA) and the function of the SA node as normal pacemaker.

Introduction:

Cardiac cycle includes the diastole and systole of the atria and ventricles. Diastole is the relaxation period, where the systole is the contraction period of atria and ventricles of the heart. The closing of atrioventricular (AV) valves causes the first sound of the heart and the closing of semilunar valves produces the second sound of the heart.

Answer 8

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Answer 9

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Answer 10

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Answer 11

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Solution Summary: The author describes the electrical activity of the cells of sinoatrial node (SA) and its function as a normal pacemaker.

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