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Comparison of Medium-Sized Artery and Medium-Sized Vein

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Comparison of Medium-Sized Artery and Medium-Sized Vein

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Questions and Answers

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?

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?

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?

Tunica intima Signup and view all the answers

Which vessel type is responsible for distributing blood to different parts of the body?

Muscular medium-sized arteries Signup and view all the answers

How is blood collected towards the heart in the venous system?

By folds that form valves in the veins Signup and view all the answers

Where is the spleen situated in the body?

Beneath the left half of the diaphragm Signup and view all the answers

What gives the red appearance to the spleen?

Erythrocytes Signup and view all the answers

Which type of cells are part of the stroma of the spleen?

Reticular cells Signup and view all the answers

What covers the spleen externally with white collagenous connective tissue?

Peritoneum Signup and view all the answers

Which component of the spleen is responsible for the major part of its structure?

Red pulp Signup and view all the answers

In what form are B lymphocytes present in the spleen?

In lymphatic nodules (white pulp) Signup and view all the answers

What appears to be present in a fresh cut surface of the spleen?

Erythrocytes and white pulp Signup and view all the answers

What is the function of connective tissue trabeculae in the spleen?

To extend from the organ capsule Signup and view all the answers

What surrounds the capsule of the spleen?

A layer of peritoneum Signup and view all the answers