Podcast
Questions and Answers
Which blood vessels have the highest pressure and vascular resistance?
Which blood vessels have the highest pressure and vascular resistance?
- Veins
- Pulmonary veins
- Arteries (correct)
- Pulmonary arteries
What is the primary goal of the pulmonary circulation?
What is the primary goal of the pulmonary circulation?
- To carry oxygen from the lungs to the tissues
- To carry metabolic waste products from the tissues to their point of elimination
- To carry nutrients from the digestive tract to the tissues
- To carry carbon dioxide from the tissues to the lungs (correct)
Which blood vessels carry oxygenated blood from the lungs to the left atrium?
Which blood vessels carry oxygenated blood from the lungs to the left atrium?
- Pulmonary arteries
- Veins
- Arteries
- Pulmonary veins (correct)
During exercise, what happens to cardiac output?
During exercise, what happens to cardiac output?
What is the purpose of redistributing blood flow during times of increased activity?
What is the purpose of redistributing blood flow during times of increased activity?
Which blood vessels receive output from the left ventricle and branch into numerous parallel vascular circuits?
Which blood vessels receive output from the left ventricle and branch into numerous parallel vascular circuits?
Which part of the vascular system carries nutrients from the digestive tract to the tissues?
Which part of the vascular system carries nutrients from the digestive tract to the tissues?
Which of the following is a characteristic of veins compared to arteries?
Which of the following is a characteristic of veins compared to arteries?
Which of the following is true about blood flow velocity and cross-sectional area?
Which of the following is true about blood flow velocity and cross-sectional area?
Which of the following is a function of slow blood velocity in capillaries?
Which of the following is a function of slow blood velocity in capillaries?
What is the most important function of nitric oxide (NO) in the vascular system?
What is the most important function of nitric oxide (NO) in the vascular system?
What is a hallmark of endothelial dysfunction that accompanies atherosclerosis?
What is a hallmark of endothelial dysfunction that accompanies atherosclerosis?
What is the most common site of atherosclerosis in the arterial system?
What is the most common site of atherosclerosis in the arterial system?
What is the initial event that triggers the process of plaque formation in atherosclerosis?
What is the initial event that triggers the process of plaque formation in atherosclerosis?
Which layer of blood vessels contains concentric layers of smooth muscle cells?
Which layer of blood vessels contains concentric layers of smooth muscle cells?
Which type of blood vessels have uniquely thin walls composed of only endothelial cells and basement membrane?
Which type of blood vessels have uniquely thin walls composed of only endothelial cells and basement membrane?
Which blood vessels branch into arterioles and represent the primary site of systemic vascular resistance?
Which blood vessels branch into arterioles and represent the primary site of systemic vascular resistance?
Which cells form a barrier that contains blood within the lumen of the vessel and control the passage of solutes and cells?
Which cells form a barrier that contains blood within the lumen of the vessel and control the passage of solutes and cells?
Which substances are secreted by endothelial cells and modulate the contraction of smooth muscle cells in the underlying medial layer?
Which substances are secreted by endothelial cells and modulate the contraction of smooth muscle cells in the underlying medial layer?
Which blood vessels have much thicker walls compared with veins and can withstand higher pressures?
Which blood vessels have much thicker walls compared with veins and can withstand higher pressures?
Which blood vessels stretch under pressure and have an abundance of elastic fibers that stretch during systole and return to their original shape during diastole?
Which blood vessels stretch under pressure and have an abundance of elastic fibers that stretch during systole and return to their original shape during diastole?
Which of the following is a characteristic of vulnerable plaques?
Which of the following is a characteristic of vulnerable plaques?
What is the role of matrix metalloproteinases (MMP) in atherosclerosis?
What is the role of matrix metalloproteinases (MMP) in atherosclerosis?
What is the fate of a ruptured plaque?
What is the fate of a ruptured plaque?
What is the role of endothelial cells overlying the plaque?
What is the role of endothelial cells overlying the plaque?
What is the significance of neovascularization in atherosclerosis?
What is the significance of neovascularization in atherosclerosis?
What is the role of inflammatory cytokines in atherosclerosis?
What is the role of inflammatory cytokines in atherosclerosis?
What is the significance of thin cap fibroatheroma in atherosclerosis?
What is the significance of thin cap fibroatheroma in atherosclerosis?
What is the role of nitric oxide and prostacyclin in atherosclerosis?
What is the role of nitric oxide and prostacyclin in atherosclerosis?
What imaging technique can be used to detect features of atherosclerosis?
What imaging technique can be used to detect features of atherosclerosis?
