SOLVED

81) A solution that contains a lower osmotic pressure than the cytoplasm of a cell is called A) merotonic. B) hypertonic. C) isotonic. D) hypotonic. E) homotonic. 82) If a red blood cell (RBC) is placed in a 0.5% salt solution, which of the following would occur? 1. water will move out of the RBC 2. RBC will hemolyze 3. RBC will crenate 4. water will enter the RBC A) 1 and 3 only B) 2 and 3 only C) 1 and 2 only D) 3 and 4 only E) 2 and 4 only 83) Which statement best describes osmosis? A) active transport of water across the cell membrane B) diffusion of water from a greater to a lesser water concentration C) movement of water into a solute D) diffusion of water from a greater to a lesser water concentration across a selectively permeable membrane E) random movement of water due to kinetic energy 84) Osmotic pressure A) forces water to move toward the higher solute concentration. B) forces water to move across a semipermeable membrane. C) can be opposed by hydrostatic pressure. D) increases as solute concentration increases. E) All the answers are correct. 85) “Spikes” form on a blood cell when it is placed in a(n) ________ solution. A) isotonic B) hypertonic C) hypotonic D) merotonic E) homotonic 86) Hemolysis may occur when a blood cell is placed into A) isotonic solution. B) hypertonic solution. C) hypotonic solution. D) merotonic solution. E) homotonic solution. 87) The skin swells and puckers during a long bath. This suggests that bath water is a(n) ________ fluid. A) isotonic B) hypotonic C) hypertonic D) diffusion E) toxic 88) Red blood cell shrinkage is to ________ as cell bursting is to ________. A) crenation; hemolysis B) lysis; crenation C) hypotonic; isotonic D) isotonic; hypotonic E) isotonic; hypertonic 89) If the amount of chloride ion in blood plasma increases, which of the following would initially occur? A) The blood osmotic pressure will increase. B) The blood osmotic pressure will decrease. C) The blood osmotic pressure will stay the same. D) The blood hydrostatic pressure will increase. E) The blood hydrostatic pressure will decrease. 90) If the concentration of sodium chloride in the interstitial fluid surrounding cells decreases and the concentration of other solutes remains constant, A) the cells will shrink. B) the cells will swell. C) the fluid outside of the cells will become isotonic. D) the fluid outside of the cells will become hypertonic. E) the cells will not change.