Podcast
Questions and Answers
Which of the following is NOT a component of the circulatory system?
Which of the following is NOT a component of the circulatory system?
- Heart
- Blood vessels
- Lymphatic system (correct)
- Lungs
What is the primary function of the capillaries in the circulatory system?
What is the primary function of the capillaries in the circulatory system?
- To carry oxygenated blood away from the heart
- To facilitate the exchange of nutrients, gases, and waste products between the blood and tissues (correct)
- To pump blood through the body
- To carry deoxygenated blood towards the heart
What is the purpose of the semilunar valves in the heart?
What is the purpose of the semilunar valves in the heart?
- To prevent backflow of blood from the ventricles to the atria
- To regulate the flow of blood from the heart to the lungs
- To control the flow of blood from the heart to the body (correct)
- To maintain the pressure gradient necessary for the cardiac cycle
Which of the following is NOT a function of the blood?
Which of the following is NOT a function of the blood?
What is the purpose of the cardiac cycle's diastolic phase?
What is the purpose of the cardiac cycle's diastolic phase?
Which of the following is NOT a component of the neural regulation of the circulatory system?
Which of the following is NOT a component of the neural regulation of the circulatory system?
Which of the following conditions is NOT directly related to the circulatory system?
Which of the following conditions is NOT directly related to the circulatory system?
What is the primary function of aldosterone in the regulation of the circulatory system?
What is the primary function of aldosterone in the regulation of the circulatory system?
What is the primary cause of a heart attack?
What is the primary cause of a heart attack?
Which of the following lifestyle factors is NOT directly mentioned as playing a crucial role in maintaining a healthy circulatory system?
Which of the following lifestyle factors is NOT directly mentioned as playing a crucial role in maintaining a healthy circulatory system?
