24 Questions
What is the main function of the cardiovascular system?
To transport and distribute oxygen, nutrients, wastes, and body fluids
Which component of the cardiovascular system carries blood from the heart to the tissues?
Arteries
What is the composition of the Tunica Media in blood vessels?
Mainly smooth muscle fibers
Which layer of the blood vessel wall contains small vessels called Vasa Vasorum?
Tunica Adventitia
Which chamber of the heart receives deoxygenated blood from the veins?
Right atrium
What is the innermost layer of the heart called?
Endocardium
Which layer of the heart consists of a single layer of squamous mesothelial cells and a thin basal lamina?
Epicardium
Which layer contains mainly cardiac muscle with fibers arranged spirally around each heart chamber?
Myocardium
In which layer does thickening occur in the walls of the ventricles, especially in the left ventricle?
Myocardium
Which vessels supply oxygen and nutrients to cells in the vessel wall that are too far from the lumen to be nourished by diffusion?
Vasa Vasorum
Which layer contains small blood vessels, nerves, and in the ventricles, contains conducting (Purkinje) fibers of the heart’s impulse conducing system?
Subendocardium
What is the main function of the Tunica Intima in blood vessels?
Consists of endothelium and subendothelial connective tissue
Which layer of the blood vessel wall contains small vessels called Vasa Vasorum?
Tunica Adventitia
In which layer does thickening occur in the walls of the ventricles, especially in the left ventricle?
Tunica Media
What is the composition of the Tunica Media in blood vessels?
Consists mainly of smooth muscle fibers
Which component of the cardiovascular system carries blood from the heart to the tissues?
Arteries
What is the innermost layer of the heart called?
Endocardium
Which layer contains mainly cardiac muscle with its fibers arranged spirally around each heart chamber?
Myocardium
Which chamber of the heart receives deoxygenated blood from the veins?
Right Atrium
What is the main function of the cardiovascular system?
Responsible for homeostatic distribution of oxygen and nutrients
What is the composition of the Epicardium in the heart?
A single layer of squamous mesothelial cells and a thin basal lamina
In which layer does thickening occur in all large vessels, containing small vessels (Vasa Vasorum) that supply oxygen and nutrients to cells too far from the lumen?
Tunica Adventitia
What do Purkinje fibers do in the heart's impulse conducing system?
Conduct impulses at a higher rate than atrial cardiac muscle fibers
What are Vasa Vasorum responsible for within blood vessel walls?
Supplying oxygen and nutrients to cells in close proximity to the lumen
Test your knowledge on the general features of the circulatory system, walls of blood vessels, and the functions of the cardiovascular system. Explore the components of the cardiovascular system including the heart, arteries, and veins.
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