Human Anatomy & Physiology (2nd Edition)

2nd Edition

ISBN: 9780134553511

Author: Erin C. Amerman

Publisher: PEARSON

See similar textbooks

Videos

Textbook Question

Chapter 17.3, Problem 1QC

How do pacemaker and contractile cells differ? What is autorhythmicity?

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 17.2, Problem 10QC

Chapter 17.3, Problem 2QC

Students have asked these similar questions

What is the most characteristic feature of a wandering pacemaker rhythm?

How much does a pacemaker cost? How much does it cost to produce pacemaker?

How are action potentials generated and conducted in myocardial and pacemaker cells?

Chapter 17 Solutions

Human Anatomy & Physiology (2nd Edition)

Ch. 17.1 - Where is the heart located, and how large is it?Ch. 17.1 - What are the hearts upper and lower chambers...Ch. 17.1 - What are the sources from which blood flows into...Ch. 17.1 - 4. Which side of the heart is considered the...Ch. 17.1 - Which side of the heart is considered the systemic...Ch. 17.2 - Prob. 1QC Ch. 17.2 - Prob. 2QC Ch. 17.2 - 3. What are the three layers of the heart wall,...Ch. 17.2 - 4. What are the four main great vessels? From...Ch. 17.2 - How do the right and left ventricles differ in...

Ch. 17.2 - 6. Why do you think it is important to ensure via...Ch. 17.2 - 7. What is the overall pathway of blood flow...Ch. 17.2 - Prob. 8QC Ch. 17.2 - Prob. 9QC Ch. 17.2 - Prob. 10QC Ch. 17.3 - How do pacemaker and contractile cells differ?...Ch. 17.3 - 2. What are intercalated discs? What is their...Ch. 17.3 - Prob. 3QC Ch. 17.3 - Prob. 4QC Ch. 17.3 - What is the sequence of events of a contractile...Ch. 17.3 - How does the refractory period of cardiac muscle...Ch. 17.3 - 7. What does an ECG record? Ch. 17.3 - What are the five waves in an ECG, and what do...Ch. 17.4 - What causes the heart sounds S1 and S2?Ch. 17.4 - Prob. 2QC Ch. 17.4 - Prob. 3QC Ch. 17.4 - Is the end-diastolic or the end-systolic volume of...Ch. 17.4 - 5. Walk through the mechanical events of the...Ch. 17.4 - 6. Relate the ECG waves to the cardiac cycle...Ch. 17.4 - 7. How does the left ventricular pressure...Ch. 17.5 - Prob. 1QC Ch. 17.5 - What is cardiac output? How does it relate to...Ch. 17.5 - Prob. 3QC Ch. 17.5 - What is the Frank-Starling law, and how does it...Ch. 17.5 - What is a chronotropic agent?Ch. 17.5 - Prob. 6QC Ch. 17.5 - 7. What effects does the parasympathetic nervous...Ch. 17.5 - How would a hormone that decreases the amount of...Ch. 17.5 - How is heart failure defined?Ch. 17 - 1. Mark the following statements as true or false....Ch. 17 - 2. The pericardial cavity is located between: a....Ch. 17 - 3. Which of the following statements is true? a....Ch. 17 - Match the following terms with the correct...Ch. 17 - Fill in the blanks: The coronary arteries are the...Ch. 17 - 6. How do pacemaker cardiac muscle cells differ...Ch. 17 - 7. Cardiac muscle cells are joined by structures...Ch. 17 - Prob. 8CYR Ch. 17 - Prob. 9CYR Ch. 17 - 10. The _________is the primary pacemaker of the...Ch. 17 - The AV node delay: a. allows the atria and...Ch. 17 - Explain what each of the following terms...Ch. 17 - 13. Mark the following statements as true or...Ch. 17 - Prob. 14CYR Ch. 17 - 15. Fill in the blanks: The first heart sound is...Ch. 17 - Cardiac output is equal to: a. end-diastolic...Ch. 17 - Prob. 17CYR Ch. 17 - 18. Which of the following statements is false? a....Ch. 17 - 1. A birth defect called transposition of great...Ch. 17 - 2. Predict which would be more damaging to...Ch. 17 - 3. When the SA node doesn’t function properly, the...Ch. 17 - Prob. 4CYU Ch. 17 - Prob. 1AYKA Ch. 17 - Prob. 2AYKA Ch. 17 - Prob. 3AYKA Ch. 17 - Prob. 4AYKB

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.

How do pacemaker and contractile cells differ? What is autorhythmicity?

Solution Summary: The author explains the difference between pacemaker cells and contractile cells, and the meaning of autorhythmicity.

Videos

Want to see the full answer?

Chapter 17 Solutions