Cardiac Muscle Physiology: Structure,
Contraction, and Cardiac Output Complete Exam
| 100% Correct Answers | Verified Edition 2026
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Terms in this set (28)
What are the three major types of Atrial, Ventricular, and specialized excitatory and
cardiac muscle? conductive muscle fibers.
What is unique about the cardiac Cardiac muscle is striated and contains typical
muscle's structure? myofibrils with actin and myosin filaments.
What is the function of specialized They exhibit automatic rhythmical electrical
excitatory and conductive fibers in discharge in the form of action potentials.
the heart?
How is the left ventricle organized in The epicardial layer spirals leftward while the
terms of muscle fiber layers? endocardial layer spirals rightward, causing a
wringing motion.
Contraction, and Cardiac Output Complete Exam
| 100% Correct Answers | Verified Edition 2026
Save
Terms in this set (28)
What are the three major types of Atrial, Ventricular, and specialized excitatory and
cardiac muscle? conductive muscle fibers.
What is unique about the cardiac Cardiac muscle is striated and contains typical
muscle's structure? myofibrils with actin and myosin filaments.
What is the function of specialized They exhibit automatic rhythmical electrical
excitatory and conductive fibers in discharge in the form of action potentials.
the heart?
How is the left ventricle organized in The epicardial layer spirals leftward while the
terms of muscle fiber layers? endocardial layer spirals rightward, causing a
wringing motion.
