11 Questions
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?
Blood flow
What is the purpose of arterioles in the cardiovascular system?
To regulate blood flow to capillaries
Which chapter in Costanzo's Physiology 7th Edition focuses on Cardiovascular Physiology?
Chapter 4
What is the term for many cells working as one in cardiac myocytes?
Syncytium
What is the term for the process of muscle contraction involving Ca2+-induced Ca2+ release?
Excitation-contraction coupling (e-cc)
Which ion current is responsible for the plateau phase of the cardiac action potential?
Calcium current
What is the term for the unstable resting membrane potential in nodal cells?
Autorhythmic potential
Which cellular structures support contraction in myocytes?
Actin and myosin filaments
Test your understanding of cardiovascular physiology readings from Vander’s Human Physiology 15th or 16th Edition, focusing on excitation-contraction coupling, cardiac cycle, cardiac output, and hemodynamics. This quiz covers specific chapters and sections related to these topics.
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