PRIN OF ANATOMY & PHYS 16E 2 SEM ACCESS
16th Edition
ISBN: 9781119704607
Author: Tortora
Publisher: WILEY
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Question
Chapter 21, Problem 7CP
Summary Introduction
To analyze:
The way hydrostatic and osmotic pressures determine fluid movement across the walls of capillaries.
Introduction:
Filtration is the process whereby fluid and solutes are forced through blood capillaries and into the interstitial fluid. The term "reabsorption" refers to the pressure-driven migration of interstitial fluid into blood capillaries.
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Students have asked these similar questions
Blood pressure at the arterial end of capillaries is about 40 mm Hg in humans. If blood pressure at the venous end is about 15 mm Hg, and colloid osmotic pressure is 25 mm Hg throughout, what is the net effect on fluid movement between capillaries and tissue spaces?
How do hydrostatic and osmotic pressures determine fluid movement across the walls of capillaries?
Which factor blood pressure or osmotic pressure has the greatest influence on the direction of fluid movement through capillary walls at (a) the venous and of the capillary and (b) the arterial end of the capillary?
Chapter 21 Solutions
PRIN OF ANATOMY & PHYS 16E 2 SEM ACCESS
Ch. 21 - Prob. 1CPCh. 21 - Prob. 2CPCh. 21 - Prob. 3CPCh. 21 - Prob. 4CPCh. 21 - Prob. 5CPCh. 21 - Prob. 6CPCh. 21 - Prob. 7CPCh. 21 - Prob. 8CPCh. 21 - Prob. 9CPCh. 21 - Prob. 10CP
Ch. 21 - Prob. 11CPCh. 21 - Prob. 12CPCh. 21 - Prob. 13CPCh. 21 - Prob. 14CPCh. 21 - Prob. 15CPCh. 21 - Prob. 16CPCh. 21 - Prob. 17CPCh. 21 - Prob. 18CPCh. 21 - Prob. 19CPCh. 21 - Prob. 20CPCh. 21 - Prob. 21CPCh. 21 - 22. Describe the types of shock and their causes...Ch. 21 - What is the purpose of systemic circulation?Ch. 21 - Prob. 24CPCh. 21 - Prob. 25CPCh. 21 - Prob. 26CPCh. 21 - Prob. 27CPCh. 21 - Prob. 28CPCh. 21 - Prob. 29CPCh. 21 - Prob. 30CPCh. 21 - Prob. 31CPCh. 21 - Prob. 32CPCh. 21 - Prob. 33CPCh. 21 - Prob. 34CPCh. 21 - Prob. 35CPCh. 21 - Prob. 36CPCh. 21 - Prob. 37CPCh. 21 - Prob. 38CPCh. 21 - Prob. 39CPCh. 21 - Prob. 40CPCh. 21 - 1. Kim Sung was told that her baby was born with a...Ch. 21 - 2. Michael was brought into the emergency room...Ch. 21 - Prob. 3CTQ
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- What forces drive fluid to move OUT of capillaries and INTO capillaries?arrow_forwardWhat is colloid osmotic pressure? In which direction does colloid osmotic pressure drive the movement of water in a capillary?arrow_forwardWhat is the only solute that has a significant concentration difference across the capillary wall? How does this difference influence water concentration?arrow_forward
- Hydrostatic pressure inside the capillary = 34 mmHgColloid osmotic pressure of the blood plasma = 27 mmHgHydrostatic pressure in the interstitial fluid = 2 mmHgColloid osmotic pressure in the interstitial fluid = 4 mmHgWhat is the total pressure favoring filtration?What is the total pressure favoring absorption?What is the net effect of these forces on fluid movement across the wall of the capillary?arrow_forwardExplain the movement of fluid across capillary endothelial cells. How does balance of hydrostatic pressure and colloid osmotic pres-sure determine direction of net fluid flow?arrow_forwardList the four factors determining fluid movement across capillaries?arrow_forward
- How does the hydrostatic pressure change from the arterial end of a capillary to the venous end of a capillary? Do you see similar changes in colloid osmotic pressure?arrow_forwardWhat is the overall net filtration pressure in a capillary?arrow_forwardWhat types of exchange between the plasma and the interstitial fluid takes place across the walls of capillaries?arrow_forward
- How does blood pressure compare with the interstitial fluid pressure in arterial capillaries? With the interstitial fluid pressure in venous capillaries?arrow_forwardWhat four variables determine the net filtration pressure across the capillary wall? Give representative values for each of them at the arteriolar and venous ends of a systemic capillary.arrow_forward(a) What are the primary forces that cause fluid to move out of a capillary and into the interstitial fluid at its arterial end? (b) What are the primary forces that cause fluid to move into a capillary from the interstitial fluid at its venous end?arrow_forward
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