Cardiovascular Physiology Readings Quiz
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Cardiovascular Physiology Readings Quiz

Created by
@ReadyLobster

Questions and Answers

What is the main function of desmosomes and gap junctions in the heart?

To physically and electrically coordinate heart function

Which cellular structures in myocytes support contraction?

Actin and myosin filaments

Which chapter in the 16th edition of Vander’s Human Physiology discusses blood flow?

Chapter 12

What is the main focus of Chapter 12 in the 15th edition of Vander’s Human Physiology?

<p>Blood flow</p> Signup and view all the answers

What is the purpose of arterioles in the cardiovascular system?

<p>To regulate blood flow to capillaries</p> Signup and view all the answers

Which chapter in Costanzo's Physiology 7th Edition focuses on Cardiovascular Physiology?

<p>Chapter 4</p> Signup and view all the answers

What is the term for many cells working as one in cardiac myocytes?

<p>Syncytium</p> Signup and view all the answers

What is the term for the process of muscle contraction involving Ca2+-induced Ca2+ release?

<p>Excitation-contraction coupling (e-cc)</p> Signup and view all the answers

Which ion current is responsible for the plateau phase of the cardiac action potential?

<p>Calcium current</p> Signup and view all the answers

What is the term for the unstable resting membrane potential in nodal cells?

<p>Autorhythmic potential</p> Signup and view all the answers

Which cellular structures support contraction in myocytes?

<p>Actin and myosin filaments</p> Signup and view all the answers

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