Podcast
Questions and Answers
Which chambers of the heart are synchronized to contract simultaneously?
Which chambers of the heart are synchronized to contract simultaneously?
Where does the right atrium receive blood from?
Where does the right atrium receive blood from?
Where does the right ventricle pump the blood to?
Where does the right ventricle pump the blood to?
What moves the blood from the left atrium to the left ventricle?
What moves the blood from the left atrium to the left ventricle?
Signup and view all the answers
What initiates the depolarization of the nerves and muscles of the atria?
What initiates the depolarization of the nerves and muscles of the atria?
Signup and view all the answers
Which part of the heart generates the electrical potentials measured by the electrocardiogram (ECG)?
Which part of the heart generates the electrical potentials measured by the electrocardiogram (ECG)?
Signup and view all the answers
What is the record of the heart's potentials on the skin called?
What is the record of the heart's potentials on the skin called?
Signup and view all the answers
Which electrical event of the normal heart cycle is represented by the P wave in an ECG?
Which electrical event of the normal heart cycle is represented by the P wave in an ECG?
Signup and view all the answers
What controls the heartbeat at a frequency of 30 to 50 beats per minute if the normal SA node signal is not conducted into the ventricle?
What controls the heartbeat at a frequency of 30 to 50 beats per minute if the normal SA node signal is not conducted into the ventricle?
Signup and view all the answers
Which electrical event of the normal heart cycle is represented by the QRS complex in an ECG?
Which electrical event of the normal heart cycle is represented by the QRS complex in an ECG?
Signup and view all the answers
