Podcast
Questions and Answers
What is the primary function of the pericardium?
What is the primary function of the pericardium?
- To stimulate the heart to contract
- To protect and anchor the heart (correct)
- To regulate the electrical activity of the heart
- To pump blood through the heart
What type of muscle is found in the heart?
What type of muscle is found in the heart?
- Skeletal muscle
- Cardiac muscle (correct)
- Smooth muscle
- Voluntary muscle
What type of cells initiate the heartbeat?
What type of cells initiate the heartbeat?
- Pacemaker cells
- Sinoatrial cells
- Cardiac cells
- Autorhythmic cells (correct)
What is the sequence of excitation in the heart?
What is the sequence of excitation in the heart?
What is the electrical conduction pathway in the heart?
What is the electrical conduction pathway in the heart?
What is the purpose of the atrioventricular (AV) node?
What is the purpose of the atrioventricular (AV) node?
What is the term for the amount of blood pumped by each ventricle in one minute?
What is the term for the amount of blood pumped by each ventricle in one minute?
What is the sequence of excitation in the cardiac conduction pathway?
What is the sequence of excitation in the cardiac conduction pathway?
Which type of cells are capable of generating an electrical impulse without an external stimulus?
Which type of cells are capable of generating an electrical impulse without an external stimulus?
What is the name of the pathway that conducts electrical impulses from the AV node to the ventricles?
What is the name of the pathway that conducts electrical impulses from the AV node to the ventricles?
Which part of the cardiac conduction pathway has the lowest intrinsic firing rate?
Which part of the cardiac conduction pathway has the lowest intrinsic firing rate?
What is the role of the SA node in the cardiac conduction pathway?
What is the role of the SA node in the cardiac conduction pathway?
Where does the electrical impulse from the AV node travel to next?
Where does the electrical impulse from the AV node travel to next?
What is the name of the process by which the cardiac muscle contracts?
What is the name of the process by which the cardiac muscle contracts?
What is the purpose of the cardiac conduction pathway?
What is the purpose of the cardiac conduction pathway?
