Podcast
Questions and Answers
Which part of the heart generates the maximum number of action potentials per minute?
Which part of the heart generates the maximum number of action potentials per minute?
- Aorta
- Atria
- Sino-atrial node (correct)
- Ventricles
What is the cardiac cycle?
What is the cardiac cycle?
- The sequence of events in the heart that are cyclically repeated (correct)
- The contraction and relaxation of the atria and ventricles
- The volume of blood pumped out by each ventricle per minute
- The electrical activity of the heart that can be recorded
What is the stroke volume?
What is the stroke volume?
- The volume of blood pumped out by each ventricle per minute
- The volume of blood pumped out by each ventricle during a cardiac cycle (correct)
- The electrical activity of the heart that can be recorded
- The number of cardiac cycles per minute
What is the cardiac output?
What is the cardiac output?
What can be recorded from the electrical activity of the heart?
What can be recorded from the electrical activity of the heart?
What is the major function of blood in vertebrates?
What is the major function of blood in vertebrates?
Which of the following components make up nearly 55% of blood?
Which of the following components make up nearly 55% of blood?
What are the major proteins found in plasma?
What are the major proteins found in plasma?
Which part of the blood is responsible for carrying waste substances from cells?
Which part of the blood is responsible for carrying waste substances from cells?
What determines the blood grouping systems in humans?
What determines the blood grouping systems in humans?