Podcast
Questions and Answers
What are the three layers of blood vessels?
What are the three layers of blood vessels?
- Endothelium, tunica media, tunica adventitia
- Tunica intima, tunica media, tunica adventitia (correct)
- Tunica intima, tunica media, tunica externa
- Tunica externa, tunica intima, smooth muscle layer
Which type of blood vessel is primarily responsible for controlling lumen diameter and regional blood flow through vasoconstriction and vasodilation?
Which type of blood vessel is primarily responsible for controlling lumen diameter and regional blood flow through vasoconstriction and vasodilation?
- Medium-sized muscular arteries (correct)
- Small arteries and arterioles
- Veins
- Large elastic arteries
How does the thickness of artery walls compare to that of veins?
How does the thickness of artery walls compare to that of veins?
- Artery walls are thinner due to low pressure
- Arteries have walls of equal thickness as veins
- Artery walls are thicker to withstand higher blood pressures (correct)
- Veins have thicker walls to handle higher volume
What happens to the lumen of medium-sized veins after death?
What happens to the lumen of medium-sized veins after death?
What is a key characteristic of large elastic arteries?
What is a key characteristic of large elastic arteries?
What feature distinguishes medium-sized arteries from medium-sized veins?
What feature distinguishes medium-sized arteries from medium-sized veins?
Which of the following statements is true about the structural characteristics of veins?
Which of the following statements is true about the structural characteristics of veins?
How do smooth muscle contractions in small arteries and arterioles affect blood flow?
How do smooth muscle contractions in small arteries and arterioles affect blood flow?
What is the primary function of the Tunica Intima?
What is the primary function of the Tunica Intima?
Which type of capillary has pores covered by a diaphragm?
Which type of capillary has pores covered by a diaphragm?
Which layer of blood vessels may contain an external elastic lamina?
Which layer of blood vessels may contain an external elastic lamina?
What type of connective tissue is found in the Tunica Adventitia?
What type of connective tissue is found in the Tunica Adventitia?
Which of the following statements about blood capillaries is incorrect?
Which of the following statements about blood capillaries is incorrect?
What is true of the Tunica Media in terms of muscular composition?
What is true of the Tunica Media in terms of muscular composition?
Which characteristic of the Tunica Adventitia is accurate?
Which characteristic of the Tunica Adventitia is accurate?
Which statement correctly describes the lumen of blood vessels post-mortem?
Which statement correctly describes the lumen of blood vessels post-mortem?
