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Capillary Circulation and Microcirculation Quiz

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Capillary Circulation and Microcirculation Quiz

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Questions and Answers

What is the function of the microcirculation?

Maintenance of blood pressure in the arteries

Formation of new blood vessels

Regulation of blood flow in the major blood vessels

Transport of nutrients to the tissues and removal of waste products (correct)

Which blood vessels have the smallest internal diameters?

Arterioles

Capillaries (correct)

Metarterioles

Venules

What surrounds the arteriolar ends of the blood capillaries to regulate blood flow?

Nerve endings

Connective tissue

Smooth muscle fibers (correct)

Lymphatic vessels

Which type of blood vessel has the greatest surface area for exchange?

Capillaries Signup and view all the answers

What is the main function of capillaries?

Exchange of gases, nutrients, wastes, hormones, etc., between blood and interstitial fluid Signup and view all the answers

What is the primary factor that regulates vasomotion?

Precapillary sphincters Signup and view all the answers

Which of the following substances can diffuse rapidly through capillary walls?

Sodium Signup and view all the answers

What is the main component of interstitial fluid in the interstitium?

Proteoglycan filaments Signup and view all the answers

Which tissue has highly permeable capillaries for diffusion?

Intestine Signup and view all the answers

What prevents the movement of fluid from the upper part of the body to the lower part due to gravity in tissues?

Tissue gel Signup and view all the answers