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CH3 A&P lecture
| Question | Answer |
|---|---|
| What is the first part of the cell that is affected when the pH of extracellular fluid changes? | the plasma membrane |
| Going down the gradient from high to low | diffusion |
| Diffusion of a substance across the cell membrane is not influenced by | The availability of ATP |
| Water molecules and small ions enter a cell through | channels formed by integral membrane proteins. |
| If the amount of chloride ion in blood plasma increases, the following would initially occur | The blood osmotic pressure will increase |
| Hemolysis may occur when a blood cell is placed into a(n) ________ solution. | hypotonic |
| A patient suffers blood loss and is given IV fluids that contain an impermeable carbohydrate called dextran, which serves to ________ leading to an increase in blood volume. | increase the osmolarity of the blood |