Podcast
Questions and Answers
Which blood vessels have thicker walls due to higher pressure from pumped blood?
Which blood vessels have thicker walls due to higher pressure from pumped blood?
- Arteries and veins
- Veins and venules
- Capillaries and venules
- Arteries and arterioles (correct)
What type of muscles are present in the tunica media for vasoconstriction and vasodilation?
What type of muscles are present in the tunica media for vasoconstriction and vasodilation?
- Smooth, circular, and longitudinal muscles (correct)
- Cardiac muscles
- Striated muscles
- Skeletal muscles
Which layer of the blood vessel is primarily collagenous fibers with some elastic fibers?
Which layer of the blood vessel is primarily collagenous fibers with some elastic fibers?
- Endothelium
- Tunica media
- Tunica externa (correct)
- Tunica intima
What are vasa vasorum and nervi vasorum responsible for?
What are vasa vasorum and nervi vasorum responsible for?
Where are the vasa vasorum located in relation to the lumen in veins and arteries?
Where are the vasa vasorum located in relation to the lumen in veins and arteries?
Which type of blood vessels have valves to prevent backflow due to low pressure?
Which type of blood vessels have valves to prevent backflow due to low pressure?
What is the primary function of arterioles in the circulatory system?
What is the primary function of arterioles in the circulatory system?
What is the significance of a high pulse pressure?
What is the significance of a high pulse pressure?
How are mean arterial pressure (MAP) and blood pressure (BP) related?
How are mean arterial pressure (MAP) and blood pressure (BP) related?
In what scenario would ischemia most likely occur?
In what scenario would ischemia most likely occur?
Why do veins have valves?
Why do veins have valves?
Which vessels have the most compliance?
Which vessels have the most compliance?
What is the primary role of metarterioles in the circulatory system?
What is the primary role of metarterioles in the circulatory system?
How does resistance differ between shorter and longer vessels?
How does resistance differ between shorter and longer vessels?
What is the main factor that contributes to hypovolemia?
What is the main factor that contributes to hypovolemia?
Why are arterioles crucial for maintaining proper blood pressure?
Why are arterioles crucial for maintaining proper blood pressure?
