Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 6, Problem 6RA
Summary Introduction
To determine:
Similarities between 0.5 m (molar) sodium chloride solution and 1.0 m glucose solution.
Introduction:
Osmolality stands for the total molality of a solution. It also represents the number of dissolved molecules in a solution. The solutions with equal osmolalities is separated by a selectively permeable membrane which would not demonstrate any osmosis.
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The osmolarity of a solution of 100 mM CaCh, is closest to the osmolarity of which of the following solutions?
a. 50 mM NaCI
b. 100 mM glucose
c. 150 mM urea
d. 150 mM NaCI
e. 75 mM NaCI + 100 mM KCI
An osmotic semipermeable membrane that allows
only water to pass separates two compartments,
A and B. Compartment A contains 0.9% NaCl,
and compartment B contains 3% glycerol, C3H8O3.
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(b) Which compartment has the higher osmotic
pressure (if either)?
I. Metabolism is the elimination of metabolic wastes including nitrogenous wastes produced from the breakdown of proteins. II. Diffusion is the movement of water from a region of higher osmolarity to a region of lower osmolarity across a selectively permeable membrane.
A. If the two statements are both correct
B. If the first statement is correct while the second one is not
C. If the second statement is correct while the first one is not
D. If the two statements are both incorrect
I. The functional units of the kidney where urine is formed. II. Kidneys serve as specialized organs for osmoregulation and excretion
A. If the two statements are both correct
B. If the first statement is correct while the second one is not
C. If the second statement is correct while the first one is not
D. If the two statements are both incorrect
Chapter 6 Solutions
Human Physiology
Ch. 6 - Describe the distribution of fluid in the body.Ch. 6 - Describe the composition of the extracellular...Ch. 6 - List the subcategories of passive transport and...Ch. 6 - Explain what is meant by simple diffusion and list...Ch. 6 - Prob. 4CPCh. 6 - Prob. 5CPCh. 6 - Explain how the body detects changes in the...Ch. 6 - Prob. 7aCPCh. 6 - Prob. 7bCPCh. 6 - Prob. 7cCP
Ch. 6 - Prob. 8CPCh. 6 - Prob. 9aCPCh. 6 - Prob. 9bCPCh. 6 - Explain the relationship of the resting membrane...Ch. 6 - Prob. 10bCPCh. 6 - Prob. 11CPCh. 6 - Prob. 12CPCh. 6 - The movement of water across a plasma membrane...Ch. 6 - Which of these statements about the facilitated...Ch. 6 - Prob. 3RACh. 6 - Prob. 4RACh. 6 - Blood plasma has an osmolality of about 300 mOsm....Ch. 6 - Prob. 6RACh. 6 - The most important diffusible ion in the...Ch. 6 - Prob. 8RACh. 6 - Prob. 9RACh. 6 - Prob. 10RACh. 6 - Prob. 11RACh. 6 - Prob. 12RACh. 6 - Prob. 13RACh. 6 - Prob. 14RACh. 6 - Which of the following questions regarding second...Ch. 6 - Prob. 16RACh. 6 - Prob. 17RACh. 6 - Compare the resting membrane potential of a neuron...Ch. 6 - Prob. 19RACh. 6 - Prob. 20RACh. 6 - Prob. 21RACh. 6 - Prob. 22RACh. 6 - Using the principles of osmosis, explain why...Ch. 6 - Prob. 24RACh. 6 - Prob. 25RACh. 6 - Prob. 26RACh. 6 - Prob. 27RACh. 6 - Prob. 28RACh. 6 - Prob. 29RACh. 6 - Prob. 30RACh. 6 - Using only the information in this chapter,...Ch. 6 - Prob. 32RACh. 6 - Prob. 33RACh. 6 - Suppose a semipermeable membrane separates two...Ch. 6 - Prob. 35RACh. 6 - Prob. 36RACh. 6 - Use the Nernst equation and the ion concentration...
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- Which of the following depend (s) on the presence of electrolytes? a. membrane polarity b. neuromuscular excitability c. maintenance of osmotic relations between cells and ECF d. blood glucose levelsarrow_forwardThe major role of this electrolyte is to maintain osmotic pressure in the extracellular fluid (ECF). a. HCO3– b. Ca2+ c. Na+ d. K+arrow_forwardCompound Sodium Lactate is isotonic solution. this mean that it a. reduces movement of sodium across the membrane b.prevent movement of water across the semi permerable cell membrane c. promotes movement of water out of the cell d. facilitates equal movement of water across the semi permerable cell membranearrow_forward
- Which of the following statements is correct? A. A transmembrane integral protein is required for a lipophilic solute to move through the plasma membrane. B. The net movement of water through a cell membrane is dependent on both the osmotic gradient and the presence of transmembrane channel proteins? C. The membrane permeability for an ion is determined in part by the number of open unipart carriers for that ion in the membrane? D. Both A and B are correct & C is incorrect E. A, B, & C are all correct Please explain! Thank you so mucharrow_forwardHow does cholesterol affect membrane fluidity? Group of answer choices a. It tends to increase the fluidity b. It has no influence on membrane fluidity c. It tends to decrease membrane fluidityarrow_forwardWhen comparing the solute concentrations of two fluids, the fluid with the higher solute concentration will be which of the following? A. Hypotonic B. Hypertonic C. Isotonicarrow_forward
- Solution A: 200 mM glucose; solution B: (100 mM NaCl + 50 mM KCl). Which of these two solutionswill have the highest osmotic pressure and why?arrow_forwardDefine the following terms: a. osmosis b. osmotic pressure c. membrane potential d. isotonic solution e. structured waterarrow_forwardWhat can be correctly said of an isotonic intravenous solution? (An isotonic solution): Select one: a. Causes no net movement of water into or out of red blood cells b. Causes water to move out of red blood cells c. Has the same solutes in the same solution concentration as blood plasma d. Causes water to move into red blood cellsarrow_forward
- part 1 Reaching osmotic balance across a semipermeable membrane for non-charged molecules depends on: a.Relative solute concentration gradient across the membrane b.Relative electrical gradient across the membrane c.Relative solute concentration and electrical gradient across the membrane part 2 The equilibrium of a charged molecule across a semipermeable membrane depends on: a.Relative solute concentration gradient across the membrane b.Relative electrical gradient across the membrane c.Relative solute concentration and electrical gradient across the membranearrow_forwardIf you get four osmometers with different concentrations of sucrose, 0.3 mM, 0.4, 0.6, 0.9-, and 1.2-mM? Which one of these osmometers will have the highest osmotic pressure? O a. The 1.2 mM O b. The 0.3 mM The 0.9 mM d. The 0.6 mM е. The 0.4 mMarrow_forwardWhich of the following will saturate as solute concentration increases? a. Transport of sucrose down its concentration gradient by the carrier protein GLUT2 b. Transport of chloride ions out of the endoplasmic reticulum and into the cytoplasm via a channel protein c. Engulfing of a pathogen by a white blood cell during an immune response d. All of the abovearrow_forward
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