Question

Learning Task 19-01 - Solutions

1- Would the solution inside the tubing ever be isotonic with the solution outside of the tubing? Explain why or why not.

2- Explain how you can figure out the relative size of molecules in the diffusion?

Answer 1

The solution inside of the primary tubing can be hypotonic, hypertonic and isotonic. It depends upon the insertion site which is further indicated by the type of solution or medication to be administered.

We can calculate the relative size of molecules by comparing the rate of diffusion by analysing the ratio of molecules to the pore size. For the accurate measurement NMR spectroscopy is done. Which helps to detect the translational self diffusion coefficient and by using Stokes-Einstein equation it is calculated.

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