Podcast
Questions and Answers
What is the primary function of the cardiovascular system?
What is the primary function of the cardiovascular system?
- To produce hormones for the body
- To regulate body temperature
- To remove waste products from the body
- To supply the body with nutrients and oxygen (correct)
Which component of the blood vessels is responsible for carrying blood away from the heart?
Which component of the blood vessels is responsible for carrying blood away from the heart?
- Capillaries
- Arteries (correct)
- Red and white blood cells
- Veins
What is the composition of plasma in the blood?
What is the composition of plasma in the blood?
- 91.5% water, 7% proteins (correct)
- 80% water, 20% red and white blood cells
- 30% water, 70% proteins
- 50% water, 50% formed elements
What is the role of blood vessels at the surface of the skin in the cardiovascular system?
What is the role of blood vessels at the surface of the skin in the cardiovascular system?
Which component of blood is responsible for the stoppage of bleeding?
Which component of blood is responsible for the stoppage of bleeding?
Which of the following is NOT a disorder of erythrocytes?
Which of the following is NOT a disorder of erythrocytes?
What is the main function of blood vessels in the circulatory system?
What is the main function of blood vessels in the circulatory system?
Which layer of a generalised blood vessel is responsible for regulating blood flow and blood pressure?
Which layer of a generalised blood vessel is responsible for regulating blood flow and blood pressure?
In which type of blood vessel are valves present to prevent backflow of blood?
In which type of blood vessel are valves present to prevent backflow of blood?
What is the main function of the heart in the circulatory system?
What is the main function of the heart in the circulatory system?
What is the main function of the sinoatrial (SA) node in the heart?
What is the main function of the sinoatrial (SA) node in the heart?
What is the average duration of a complete cardiac cycle?
What is the average duration of a complete cardiac cycle?
What is the relationship between blood pressure and the elasticity of large arteries?
What is the relationship between blood pressure and the elasticity of large arteries?
Which factor contributes to maintaining blood pressure within normal limits by regulating blood volume?
Which factor contributes to maintaining blood pressure within normal limits by regulating blood volume?
What is the purpose of the Purkinje fibers in the heart's intrinsic conduction system?
What is the purpose of the Purkinje fibers in the heart's intrinsic conduction system?
What happens to blood flow in individual tissues according to their immediate needs?
What happens to blood flow in individual tissues according to their immediate needs?
Which layer of the heart wall is composed of cardiac muscle tissue, blood vessels, and nerves?
Which layer of the heart wall is composed of cardiac muscle tissue, blood vessels, and nerves?
What is the primary role of the pericardium in relation to the heart?
What is the primary role of the pericardium in relation to the heart?
Which circulatory pathway involves blood going to the air sacs (alveoli) of the lungs?
Which circulatory pathway involves blood going to the air sacs (alveoli) of the lungs?
What is the function of the intrinsic conduction system in the heart?
What is the function of the intrinsic conduction system in the heart?
What is the role of the pericardium in relation to the heart?
What is the role of the pericardium in relation to the heart?
What is the function of the intrinsic conduction system of the heart?
What is the function of the intrinsic conduction system of the heart?
Which circulatory pathway involves blood going to the air sacs (alveoli) of the lungs?
Which circulatory pathway involves blood going to the air sacs (alveoli) of the lungs?
What is the main role of the endocardium in the heart?
What is the main role of the endocardium in the heart?
