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Questions and Answers
What is the function of the microcirculation?
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?
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?
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?
Which type of blood vessel has the greatest surface area for exchange?
What is the main function of capillaries?
What is the main function of capillaries?
What is the primary factor that regulates vasomotion?
What is the primary factor that regulates vasomotion?
Which of the following substances can diffuse rapidly through capillary walls?
Which of the following substances can diffuse rapidly through capillary walls?
What is the main component of interstitial fluid in the interstitium?
What is the main component of interstitial fluid in the interstitium?
Which tissue has highly permeable capillaries for diffusion?
Which tissue has highly permeable capillaries for diffusion?
What prevents the movement of fluid from the upper part of the body to the lower part due to gravity in tissues?
What prevents the movement of fluid from the upper part of the body to the lower part due to gravity in tissues?
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