Microcirculation

Which type of vessel is comprised of a single layer of endothelial cells and are the smallest vessels in the cardiovascular system?

Which type of vessel cannot constrict or dilate?

Which type of vessel is involved in the regulation of total peripheral resistance (TPR) and local blood flow?

Which type of vessel regulates the distribution of blood flow among the capillaries?

Which type of vessel is an important area of exchange and is devoid of smooth muscles?

Which type of vessel has an important capacitance function?

Which type of vessels have intermittent contraction of metarterioles/precapillary sphincters?

Which type of vessels have special types of 'pores' in certain tissues, such as the brain and kidney?

Which type of vessel forms anatomical shunts and is only present in special areas, such as the skin?

Which type of vessel has tight junctions in the brain, limiting what can pass through?

Which type of vessel has fenestrated glomerular capillaries in the kidney?

Which type of nerves primarily innervate the small arteries and arterioles?

Which type of control is primarily involved in the regulation of systemic blood pressure?

Which hormone is released from the adrenal medulla and affects the diameter of arterial vessels?

Which factor's byproducts of tissue metabolism can causes the vascular smooth muscle to relax and the vessels to dilate?

What happens to the arterial microvessels when the transmural pressure decreases?

Which type of vessels release both vasoconstrictors and vasodilators?

What is the final determinant of the diameter of the precapillary resistance vessels?

Which type of vessels are involved in the regulation of total peripheral resistance (TPR) and local blood flow?

Which type of vessel is predominantly influenced by metabolic and myogenic mechanisms and is less influenced by neural control compared to small arteries and arterioles?

Which type of vessel is the primary site of exchange across the circulation, with extremely thin walls composed of a single layer of endothelial cells and a large surface area?

What is the approximate rate of diffusion of water back and forth across the capillaries compared to the rate of filtration and absorption?

How do the majority of dissolved gas and nutrient molecules move across the capillaries?

What is the net transfer of molecules governed by Fick's Law?

What does 'J' represent in Fick's Law equation?

What does 'P' represent in Fick's Law equation?

What does 'A' represent in Fick's Law equation?

What is the direction of net transfer of molecules according to Fick's Law?

Which hormones affect the diameter of arterial vessels?

What happens to the arterial microvessels when the transmural pressure increases?

What type of control influences the contraction of smooth muscle cells in arterial microvessels?

According to the Starling-Landis Equation, what is the formula for fluid movement across the capillary wall?

What is the approximate fraction of plasma that is filtered as it passes through the capillaries?

What determines the magnitude of filtration and absorption by the capillaries?

What is the role of plasma protein oncotic pressure in filtration and absorption?

What is the relationship between lipid solubility and diffusion through capillaries?

Which pressure is responsible for filtration in the capillaries?

Which pressure is responsible for absorption in the capillaries?

What is the equation that describes fluid movement in the capillaries?

Why is the plasma osmotic pressure higher than interstitial fluid osmotic pressure?

What is the approximate difference between plasma osmotic pressure and interstitial fluid osmotic pressure?

What is the net movement of fluid when the fluid movement equation is positive?

What is the net movement of fluid when the fluid movement equation is negative?

What is the role of tissue hydrostatic pressure (Pi) in filtration?

Which of the following factors INCREASES capillary hydrostatic pressure?

What is the major function of lymphatics?

What happens to capillary pressure when there is an increase in venous pressure?

Which of the following factors influences tissue hydrostatic pressure?

What happens to capillary pressure when there is an increase in arteriolar resistance?

What is the function of lymphatics in edema formation?

How is interstitial fluid collected in the lymphatic system?

What propels lymph flow through the lymphatic system?

Which of the following factors influences capillary hydrostatic pressure?

What does an imbalance between the forces causing filtration and those causing absorption result in?

Under normal conditions, how is the interstitial fluid contained?

Which of the following is the only mechanism for a net transport of plasma proteins into the blood?

How is interstitial fluid collected in the lymphatic system?

What is the major function of lymphatics?

What does the osmotic pressure gradient across the capillary depend upon?

Which of the following is true about capillary hydrostatic pressure?

What happens to capillary pressure when there is a decrease in arterial or venous pressure?

What effect does greater resistance in venules and veins have on capillary pressure?