Podcast
Questions and Answers
Which term describes the ability of cardiac muscle to respond to a stimulus by generating action potential?
Which term describes the ability of cardiac muscle to respond to a stimulus by generating action potential?
- Conductivity
- Contractility
- Excitability (correct)
- Autorhythmicity
Where does the initiation of the excitation wave at a regular rhythm occur in the cardiac muscle?
Where does the initiation of the excitation wave at a regular rhythm occur in the cardiac muscle?
- AV node
- Bundle Branches
- SA Node (correct)
- Purkinje Fibers
Which property of cardiac muscle refers to the ability to conduct impulses?
Which property of cardiac muscle refers to the ability to conduct impulses?
- Autorhythmicity
- Conductivity (correct)
- Excitability
- Contractility
What is the primary function of the contractile tissue in the heart?
What is the primary function of the contractile tissue in the heart?
Which type of cells in the cardiac muscle initiate and propagate the cardiac impulse?
Which type of cells in the cardiac muscle initiate and propagate the cardiac impulse?
In which tissue of the heart does auto-rhythmicity predominantly occur?
In which tissue of the heart does auto-rhythmicity predominantly occur?
What characterizes the ability of cardiac muscle to regularly self-excite without external stimulus?
What characterizes the ability of cardiac muscle to regularly self-excite without external stimulus?
Which structure in the heart is responsible for conducting the excitation wave as fast as possible?
Which structure in the heart is responsible for conducting the excitation wave as fast as possible?
What is the term used to describe the ability of cardiac muscle to respond by contraction?
What is the term used to describe the ability of cardiac muscle to respond by contraction?
What differentiates autorhythmic fibers from typical contractile fibers in the heart?
What differentiates autorhythmic fibers from typical contractile fibers in the heart?
