Physiology 1021 Study Guide - Midterm Guide: Rigor Mortis, Repolarization, Occipital Lobe

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Directions: each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and blacken the appropriate space on the answer sheet. Which of the following statements about the body fluid compartments is correct? (a) (b) (c) (d) (e) The extracellular fluid is composed of only the water found in the plasma. The intracellular fluid is composed of water found inside and outside the cells. Plasma contains the least amount of water compared to the other body fluid compartments. What is the difference between diffusion through a protein lined channel/pore and facilitated diffusion? (a) (b) (c) (d) (e) Only facilitated diffusion requires a protein that spans the membrane. Only diffusion through a protein channel/pore moves lipid soluble substances across the membrane. Only diffusion through a channel/pore moves a substance down its concentration gradients.