Answered: 7. Water always moves from a…

7. Water always moves from a hyposmotic/hyperosmotic to a hyposmotic/hyperosmotic (circle or highlight the correct one) solution. (circle or highlight the correct one) solution

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter3: The Cellular Level Of Organization

Section: Chapter Questions

Problem 7RQ: The diffusion of substances within a solution tends to move those substances ________ their ________...

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Concept explainers

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.

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7. Water always moves from a hyposmotic/hyperosmotic
to a hyposmotic/hyperosmotic (circle or highlight the correct one) solution.
(circle or highlight the correct one) solution

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8. When solutes move across a semipermeable barrier from areas of high concentration to low concentration: it requires energy input. it requires no net energy input. it causes the water to go up. the total solute concentration increases.
O O The osmotic pressure is directly proportional to the number of ions dissolved and with concentration. Other The osmotic pressure is inversely proportional to the number of ions dissolved and with concentration. The osmotic pressure is inversely proportional to the number of ions dissolved and directly with concentration. The osmotic pressure is directly proportional to the number of ions dissolved and inversely with concentration.
Please explain the difference between hypoosmotic and hyperosmotic. I know that is has to do with different concentrations, but please explain it by comparing how the concentrations are different inside AND outside of the cell. Thank you!
2% urea is therefore (select all that apply): hyperosmotic isotonic hypotonic hypertonic hypo-osmotic iso-osmotic
6. If it can cross a membrane, a solute will move from a hyposmotic/hyperosmotic (circle or highlight the correct one) solution to a hyposmotic/hyperosmotic (circle or highlight the correct one) solution.
The diffusion of substances within a solution tends to move those substances ________ their ________ gradient. up; electrical up; electrochemical down; pressure down; concentration
The osmolarity of a 1 M NaCl solution will be _______ to a 1 M solution of CaCl2. Group of answer choices hyperactive hyposmotic isosmotic hyperosmotic
An isotonic solution containing CHO and sodium will be absorbed more readily than water alone. Group of answer choices True False
Which of the following statements is CORRECT in describing the nature of water channels? Group of answer choices It is a channel for the transport of any liquid medium. It is a non-gated channel. It is a channel that can facilitate the transport of sodium ions. It is a channel for active transport.
Reaching osmotic balance across a semipermeable membrane for non-charged molecules depends on: Relative solute concentration gradient across the membrane Relative electrical gradient across the membrane Relative solute concentration and electrical gradient across the membrane
5. "Time-release" drugs work by releasing a drug to the body at a constant rate such that the drug concentration at one time is not large enough as to cause harmful side effects OR not low enough to the point where it is an ineffective therapeutic. A design Elastic impermeable membrane Semipermeable Saturated Nacl solution Drug membrane schematic of a time-release pill is shown below. Explain how it works from an osmotic pressure standpoint. Rigid wall containing tiny holes
3. Draw and label a diagram that demonstrates the difference between tonicity and osmolarity. Be sure to label the new solutions in each condition, draw the changes (if predicted) in cell shape/volume, and clearly use arrows to indicate the movement of water relative to the cell. Please start with a red blood cell in an isotonic solution (Figure D) and show what happens to cell shape and water movement when NaCl (remember that the membrane is permeable to neither of these ions) (Figure E) or urea (a permeable ion) (Figure F).