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Questions and Answers
What is the role of the tunica intima in both medium-sized arteries and medium-sized veins?
What is the role of the tunica intima in both medium-sized arteries and medium-sized veins?
- It is a thick layer of circular smooth muscle fibers.
- It is a thin layer lined by endothelium and its basal lamina. (correct)
- It contains loose connective tissue and vasa vasorum.
- It regulates blood flow by contracting or relaxing.
Which type of vessel has a thicker tunica media, a medium-sized artery, or a medium-sized vein?
Which type of vessel has a thicker tunica media, a medium-sized artery, or a medium-sized vein?
- They both have the same thickness of tunica media
- Medium-sized artery (correct)
- Medium-sized vein
- Neither have a tunica media
What marks the outer border of the tunica media of a muscular artery?
What marks the outer border of the tunica media of a muscular artery?
- Clear layer of external elastic lamina (correct)
- Prominent wavy layer of fenestrated internal elastic lamina
- Thin layer lined by endothelium and its basal lamina
- Loose connective tissue and vasa vasorum
What forms the valves of veins according to the text?
What forms the valves of veins according to the text?
Which vessel type is responsible for distributing blood to different parts of the body?
Which vessel type is responsible for distributing blood to different parts of the body?
How is blood collected towards the heart in the venous system?
How is blood collected towards the heart in the venous system?
Where is the spleen situated in the body?
Where is the spleen situated in the body?
What gives the red appearance to the spleen?
What gives the red appearance to the spleen?
Which type of cells are part of the stroma of the spleen?
Which type of cells are part of the stroma of the spleen?
What covers the spleen externally with white collagenous connective tissue?
What covers the spleen externally with white collagenous connective tissue?
Which component of the spleen is responsible for the major part of its structure?
Which component of the spleen is responsible for the major part of its structure?
In what form are B lymphocytes present in the spleen?
In what form are B lymphocytes present in the spleen?
What appears to be present in a fresh cut surface of the spleen?
What appears to be present in a fresh cut surface of the spleen?
What is the function of connective tissue trabeculae in the spleen?
What is the function of connective tissue trabeculae in the spleen?
What surrounds the capsule of the spleen?
What surrounds the capsule of the spleen?
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