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- You have determined that a cell suspension contains 1 x 103 cells/mL. That cell suspension was prepared by adding 1 ml of a more concentrated cell suspension to 999 mL of phosphate buffered saline. What is the concentration of cells in the original cell suspension?Isotonic, hypotonic, and hypertonic IV (intravenous) fluid solutions are widely used in the healthcare setting. As a possible health care professional, you must know how each of the solutions work on the body and why they are given. a) When does each type of solution must be applied to a patient? b) What does each type of solution do the cells? Isotonic IV fluid solution Hypotonic IV fluid solution Hypertonic IV fluid solution|A cell count was performed on a serous fluid specimen. As the fluid was cloudy, a 1:5 dilution was prepared. The counts were: 34 and 32; 5 squares on each side were counted. What is the average cell count per L? Side 1: 34 x 1 x (1/(5x0.1)) x 5 = 340 per µl Side 2: 32 x 1 x (1/(5x0.1)) x 5= 320 per µl
- Intravenous solutions must be prepared so that they are isotonic to red blood cells. A 0.9% salt solution is isotonic. What will happen to a red blood cell placed in a 0.6% salt solution?Isotonic saline and 5% dextrose in water are solutions considered isotonic to human blood. What effect on red blood cells would you expect if a patient were given these fluids intravenously? A solution of 10% dextrose in water is hypertonic to human blood.Describe the reason why the red blood cells placed in one solution swell and burst and also why the red blood cells placed in another solution shrink and wrinkle.
- In the diagram below, which situation is when the red blood cell is exposed to hypertonic solution? What is happening to the red blood cells in that situation? (a) (b) (c) O c: hemolysis O c; crenation a; hemolysis O a; crenationThe classic demonstration that cell plasma membranes are composed ofbilayers depends on the following kinds of data:• The membrane lipids from 4.74 x 109erythrocytes will form a monolayer of area 0.89 m2when spread on a water surface.• The surface of one erythrocyte is approximately 100 μm2in area. Show that these data can be accounted for only if the erythrocyte membrane is a bilayer.The 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 solution
- Which of the following occurs when red blood cells are transferred from an isotonic solution to a hypertonic solution?1. Normal saline is isotonic to blood plasma. Another IV solution, called ½ Normal Saline is sometimes used. What would be the effect of this solution on red blood cells? 2. Barium sulfate is often used as a medical diagnostic tracer, however, it can only be administered orally, not by IV. Why isn’t it possible to administer this ionic compound intravenously?Why does a red blood cell plasma membrane need transmembrane proteins?
