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CVS: Veins Capacitance Function

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Questions and Answers

What is the primary purpose of the parallel arrangement of capillaries within the microcirculation?

To concentrate the flow of blood in specific tissues
To ensure proper homeostatic function (correct)
To decrease the rate of blood flow
To increase the resistance to blood flow

What is the main difference between the systemic and pulmonary circulations?

The systemic circulation is responsible for capillary exchange in all tissues for nutrition, while the pulmonary circulation is responsible for arterializing venous blood in the lungs (correct)
The systemic circulation has a higher rate of blood flow compared to the pulmonary circulation
The systemic circulation originates from the left ventricle, while the pulmonary circulation originates from the right ventricle
The systemic circulation carries oxygenated blood, while the pulmonary circulation carries deoxygenated blood

What is the relationship between the rate of blood flow through the systemic and pulmonary circulations?

The rate of blood flow through the systemic and pulmonary circulations can vary independently of each other
The rate of blood flow through the systemic circulation is higher than the rate of blood flow through the pulmonary circulation
The rate of blood flow through the systemic circulation and the pulmonary circulation are equal (correct)
The rate of blood flow through the pulmonary circulation is higher than the rate of blood flow through the systemic circulation

What is the primary function of the arterioles within the microcirculation?

To distribute the blood flow evenly among the capillaries (B) Signup and view all the answers

What is the primary function of the venules within the microcirculation?

To collect the deoxygenated blood from the capillaries and transport it to the veins (B) Signup and view all the answers

What is the main purpose of the portal venous system?

To transport blood from the digestive system to the liver for processing (A) Signup and view all the answers

What is the primary function of the aorta within the systemic circulation?

To transport oxygenated blood from the left ventricle to the systemic arteries (A) Signup and view all the answers

What is the main role of the pulmonary arteries within the pulmonary circulation?

To transport deoxygenated blood from the right ventricle to the lungs (B) Signup and view all the answers

What is the primary function of the venae cavae within the systemic circulation?

To transport deoxygenated blood from the systemic veins to the right atrium (C) Signup and view all the answers

What is the main advantage of the parallel arrangement of distributing arteries in the systemic or pulmonary circulations?

It ensures proper homeostatic function (B) Signup and view all the answers

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