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Concept explainers
Interpretation:
The effects on solutes crossing cell membranes due to the differences in pressure between arterial capillaries, interstitial fluids and venous capillaries have to be given.
Concept Introduction:
Body fluids: About
Intracellular fluid: The fluid inside the cells.
Extracellular fluid: The fluids outside the cells and it include mainly plasma and interstitial fluid.
Passive diffusion is the movement of solutes which can cross the membrane freely and move from regions of high solute concentration to the region of low solute concentration.
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Chapter 29 Solutions
Pearson eText Fundamentals of General, Organic, and Biological Chemistry -- Instant Access (Pearson+)
- What is the function of pressure in osmosis?arrow_forwardHow does the intensity of simple diffusion vary in relation to the concentration gradient of the moved substance?arrow_forwardWhat type of intravenous solution (isotonic/hypertonic/hypotonic) must be administered to a patient suffering from polydipsia (excessive thirst) after a head injury?arrow_forward
- How are ions distributed among intercellular, extracellular and plasma compartments?arrow_forwardIf the right ventricle of a patient’s heart is failing, increasing the systemic venous pressure, what changes might occur in the patient’s extracellular fluid compartments?arrow_forwardThe volume of a red blood cell will remain unchanged in... 1) distilled water, a isotonic solution 2) 150 mM NaCl, an isotonic solution 3) 150 mM glucose, an isotonic solution 4) 150 mM MgCl2, an isotonic solutionarrow_forward
- Referring to the figure shown, the movement of glucose is from the lumen of the duodenum through an interstitial cell, out to the extracellular fluid, and into a capillary. What would happen if the action of the Na+–K+ pumps was reduced? A)The rate of flow of glucose into the interstitial cells would be increased. B)The direction of flow of glucose would be reversed. C)The rate of flow of glucose into the interstitial cells would be reduced. D)Nothing would differ: the movement of glucose would be the same as before the reversal.arrow_forwardfluid exchange in the venous end is considered osmosis or reverse osmosis?arrow_forwardWhat is Selective Permeability?arrow_forward
- What is the fluid around/between cells called?arrow_forwardIf a patient is infused with isotonic saline solution, where will the fluid end up?Extracellular environment? Intracellular environment? Both?arrow_forwardBlood volume must be restored in a person who has lost large amounts of blood due to serious injury. This is often accomplished by infusing isotonic NaCl solution into the blood. Why is this more effective than infusing an isoosmotic solution of a penetrating solute, such as urea?arrow_forward