Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

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Chapter 19, Problem 8TYR

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Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

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The contractile response in skeletal muscle A. produces more work when the muscle contracts isometrically than the muscle contracts isotonically. B. does not last as long as the action potential. C. produces more tension when the muscle contracts isometrically than when the muscle contracts isotonically. D. starts after the action potential is over. E. decreases in magnitude with repeated stimulation.

Which of the following describes a similarity between cardiac and smooth muscle cells?a. An action potential always precedes contraction.b. The majority of the Ca21 that activates contraction comes from theextracellular fluid.c. Action potentials are generated by slow waves.d. An extensive system of T-tubules is present.e. Ca21 release and contraction strengths are graded

When comparing cardiac muscle cells and skeletal muscle cells, Select one: a. only skeletal muscle has a plateau phase in its contraction cycle. b. both possess intercalated discs. c. action potentials are conducted from cell to cell only in cardiac muscle. d. both are voluntary. e. the rate of action potential propagation is faster in cardiac muscle.

Answer 2

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Chapter 19, Problem 8TYR

Summary Introduction

Introduction:

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

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Chapter 19, Problem 8TYR

Summary Introduction

Introduction:

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

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Answer 4

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Chapter 19, Problem 8TYR

Summary Introduction

Introduction:

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

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Answer 5

Chapter 19, Problem 8TYR

Summary Introduction

Introduction:

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

Answer 6

Chapter 19, Problem 8TYR

Summary Introduction

Introduction:

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

Answer 7

Chapter 19, Problem 8TYR

Summary Introduction

Introduction:

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

Answer 8

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Answer 11

Ch. 19.1 - Prob. 1AYLO Ch. 19.1 - Names of the great vessels directly connected to...Ch. 19.1 - Prob. 3AYLO Ch. 19.1 - Prob. 4AYLO Ch. 19.2 - Prob. 3BYGO Ch. 19.2 - Prob. 1AYLO Ch. 19.2 - Relative thickness of the myocardium in different...Ch. 19.2 - Structure and function of the fibrous skeleton of...Ch. 19.2 - Prob. 4AYLO Ch. 19.2 - Names and synonyms for all four valves of the...

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

Solution Summary: The author explains that cardiac muscle does not exhibit tetanus because it has a long retory period. The sarcoplasmic reticulum and its coupled calcium voltage-gated channel contribute

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Introduction:

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

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Chapter 19 Solutions

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

Solution Summary: The author explains that cardiac muscle does not exhibit tetanus because it has a long retory period. The sarcoplasmic reticulum and its coupled calcium voltage-gated channel contribute

Concept explainers

Videos

Introduction: Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.

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Chapter 19 Solutions

Introduction:

Cardiac muscles made of cardiomyocytes have extensive membrane-carrying potential that is essential for the heart conduction system. They undergo depolarization and repolarization by the mode of calcium channel system.