Connect Access Card For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411126
Author: Larson, Allan; Hickman, Jr., Cleveland P; Keen, Susan L.; Eisenhour, David J
Publisher: MCG
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Chapter 31, Problem 9RQ
Summary Introduction
To explain: The movement of fluid across capillary endothelial cells.
Introduction: The capillaries are the branched blood vessels that give rise to a network between the arterioles and venules. They carry nutrients and oxygen to tissues and remove metabolic wastes.
Summary Introduction
To determine: The method by which balance of hydrostatic pressure and colloid pressure determines the direction of net fluid flow.
Introduction: The hydrostatic pressure is built-up by the pressure of blood plasma on the capillaries. The colloid osmotic pressure of blood is built-up by large molecules present in the blood, such as plasma proteins.
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Explain 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?
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?
The vascular system delivers blood by a network of vessels, this process is regulated by the dynamics of fluid flow.
a) State at least four factors that may affect this flow
b) Describe how fluid flow changes with respect to them.
Chapter 31 Solutions
Connect Access Card For Integrated Principles Of Zoology
Ch. 31 - Name the chief intracellular electrolytes and the...Ch. 31 - What is the fate of spent erythrocytes in the...Ch. 31 - Prob. 3RQCh. 31 - Two distinctly different styles of circulatory...Ch. 31 - Place the following in correct order to describe...Ch. 31 - Trace the flow of blood through a mammalian heart,...Ch. 31 - Explain the origin and conduction of the...Ch. 31 - Define the terms systole and diastole. Distinguish...Ch. 31 - Prob. 9RQCh. 31 - Prob. 10RQ
Ch. 31 - Prob. 11RQCh. 31 - Describe an advantage of a fishs gills for...Ch. 31 - Describe the tracheal system of insects. What is...Ch. 31 - Trace the route of inspired air in humans from the...Ch. 31 - Prob. 15RQCh. 31 - How does a frog ventilate its lungs? Contrast an...Ch. 31 - What is the role of carbon dioxide in the control...Ch. 31 - Prob. 18RQCh. 31 - Prob. 19RQCh. 31 - The ability of hemoglobin to bind oxygen decreases...Ch. 31 - At high altitudes, the partial pressure of oxygen...
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- Which of the following is true regarding plasma colloid osmotic pressure ? 1) It is less than interstitial osmotic pressure 2) It decreases by significantly in the muscle capillaries as blood flows from the arteriole end to the venous end 3) It is primarily caused by the presence of the substances in the plasma such as sodium and potassium 4) It increases in response to an increase in plasma fibrinogen concentration asap pleasearrow_forwardList the four factors determining fluid movement across capillaries?arrow_forwardGiven the following values, calculate the fluid movement between capillaries and tissues: hydrostatic pressure of the capillary = 25 mm Hg hydrostatic pressure of the interstitial fluid = 5 mm Hg colloid osmotic pressure of the capillary = 15 mm Hg colloid osmotic pressure of the interstitial fluid = 5 mm Hg Group of answer choices 30 mm Hg into the capillary 30 mm Hg out of the capillary 10 mm Hg into the capillary 10 mm Hg out of the capillaryarrow_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_forwardIf the other three forces that determine fluid movement were unchanged, an increase in blood hydrostatic pressure would cause edema.arrow_forwardWhat creates the osmotic pressure gradient between the plasma and the interstitial fluid?arrow_forward
- 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?arrow_forwardIn which compartment would fluid accumulate if there is edema?arrow_forwardGiven the following pressures on the venous end of a capillary, calculate the NET pressure and determine if this pressure is in favor of filtration or reabsorption. Blood pressure: 15 mmHg Hydrostatic pressure in the tissues: -3 mmHg Colloid Osmotic Pressure in a capillary: 28 mmHg Colloid Osmotic Pressure in tissue: 8 mmHgarrow_forward
- Illustrate the general principle of physiology that informs the flow between cells, tissues, and organs?arrow_forwardWhich solute is found in the highest concentration in plasma?arrow_forwardExplain how a very high hydrostatic pressure in the venuleend of a capillary affects fluid shiftarrow_forward
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