Podcast
Questions and Answers
Which layer of blood vessels is mainly composed of smooth muscle and supported by connective tissue?
Which layer of blood vessels is mainly composed of smooth muscle and supported by connective tissue?
- Tunica intima
- External elastic membrane
- Internal elastic membrane
- Tunica media (correct)
What is the function of vasa vasorum in blood vessels?
What is the function of vasa vasorum in blood vessels?
- Deliver nutrients to large vessels' cells (correct)
- Increase blood flow
- Maintain blood pressure
- Act as valves to prevent backward blood flow
Which feature of arteries helps in maintaining blood pressure?
Which feature of arteries helps in maintaining blood pressure?
- Large lumens
- Thick walls (correct)
- Valves
- Thin walls
What is the distinct layer of elastic fibers that connects the tunica media in larger arteries?
What is the distinct layer of elastic fibers that connects the tunica media in larger arteries?
What process decreases blood flow and increases blood pressure in blood vessels?
What process decreases blood flow and increases blood pressure in blood vessels?
Which tunic of blood vessels is mainly composed of collagenous fibers and some smooth muscle, serving to hold the vessel in position?
Which tunic of blood vessels is mainly composed of collagenous fibers and some smooth muscle, serving to hold the vessel in position?
What is the primary function of venules in the circulatory system?
What is the primary function of venules in the circulatory system?
Why do veins have valves?
Why do veins have valves?
What is the role of venules and capillaries in diapedesis?
What is the role of venules and capillaries in diapedesis?
Which component of blood pressure represents the pressure during ventricular relaxation?
Which component of blood pressure represents the pressure during ventricular relaxation?
What does a high pulse pressure after strenuous exercise indicate?
What does a high pulse pressure after strenuous exercise indicate?
How is mean arterial pressure (MAP) calculated?
How is mean arterial pressure (MAP) calculated?
What is the main function of arteries in the circulatory system?
What is the main function of arteries in the circulatory system?
Which type of artery has a diameter ranging from 0.1mm to 10mm?
Which type of artery has a diameter ranging from 0.1mm to 10mm?
What is the main characteristic of arterioles in the circulatory system?
What is the main characteristic of arterioles in the circulatory system?
What distinguishes fenestrated capillaries from continuous capillaries?
What distinguishes fenestrated capillaries from continuous capillaries?
What is the purpose of precapillary sphincters in the circulatory system?
What is the purpose of precapillary sphincters in the circulatory system?
What would happen if all precapillary sphincters were continuously open in the body?
What would happen if all precapillary sphincters were continuously open in the body?
What is the effect of an increase in cardiac output on blood pressure and blood flow?
What is the effect of an increase in cardiac output on blood pressure and blood flow?
How does the compliance of arteries affect blood pressure and blood flow?
How does the compliance of arteries affect blood pressure and blood flow?
What is the impact of hypovolemia (low blood volume) on blood pressure?
What is the impact of hypovolemia (low blood volume) on blood pressure?
How do narrower and longer vessels affect resistance, flow, and pressure?
How do narrower and longer vessels affect resistance, flow, and pressure?
Where is the correct placement for a cuff when measuring blood pressure with a sphygmomanometer?
Where is the correct placement for a cuff when measuring blood pressure with a sphygmomanometer?
