5 The ER doctors noted that KC has hyponatremia (an abnormally low Na+ concentra

Question

5 The ER doctors noted that KC has hyponatremia (an abnormally low Na+ concentration in her blood). Does this make sense? Explain. 6 Intravenous (IV) fluids are often given to patients to replace lost solutes and/or fluids. Salne refers to an NaCl solution. What type of IV solution (3%, 0.9%, 0.45% saline solution) would be best suited to treat KC? State if the solution you chose is hypotonic, hypertonic or isotonic, and explain why you chose that solution. APPLICATION QUESTIONS: 7 If a person is severely dehydrated, which type of IV solution Chypotonic/isotonic/hypertonic) would replace intracellular fluid lost from cells? Explain! Edema refers to tissue swelling, and this occurs when fluid is drawn out of the blood plasma and into the tissues. a) With cirrhosis, the liver is unable to produce enough of the plasma protein 8 11-n -nu. albumin, resulting in edema. Explain how. In your explanation: address membrane permeability with respect to water vs. proteins, . concentration of osmotically active particles in the blood vs. the tissues . the effect of the concentration difference on the osmotic movement of water With certain forms of thyroid disease, excess protein production occurs in the interstitial fluid. Would this cause edema? Explain. b)

Explanation / Answer

5) Yes, it does make sense. The sodium in the blood gets more diluted as the body gets dehydrated due
to less fluid intake or other reasons triggering Hyponatremia.
6) Hypertonic solutions are used to bring back the sodium levels to normal i.e 3% saline solution is ideal
as it helps in restoring the balance.
7) Isotonic solutions are used for this purpose so that it can keep the balance and avoid over or under
salt concentrations in the cells.

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