Final Exam for International students (Volume A) 2012-2013（1)Grade2011 Name Student No. Score Scores Signature 1.Select the Correct Answer(1 mark each,30 marks in total) 1.Colloid osmotic pressure refers to osmotic pressure exerted by A.Ions B.Uncharged molecules C.Lipid soluble compounds. D.Proteins. E.All of the solutes in plasma,acting together. 2.Hexose is moving into a cell and no cellular energy is being directly or indirectly expended in the process.The hexose is entering by A.Diffusing directly through the lipid bilaver. B.Facilitated diffusion on a protein carrier molecule C.A Na-hexose cotransporter D A Na-hex ose antinorte E.A Na-hexose ATPase 3.Oxygen molecules,moving by diffusion,will equilibrate most rapidly across which of the following structures? a.a capillary wall B.a fenestrated capillary C.A layer of skin cells D.A ventricular wall. E.A lipid bilayer 4.A cell needs to have a Na-K ATPase pump because A.The pump creates the membrane potential. B.The pump is responsible for the roduction of action potentials C.Without a pump.ion fluxes through channels will accumulate and alter concentrations of ions. D.The pump moves water out of the cell.preventing cell death by osmosis. E.Equilibrium potentials are not possible without a pump. 5.In going from the Aorta to the Vena Cava,the the largest drop in pressure is observed in: A.Arteries B.Arterioles C.Capillaries -1of7- ‐ 1 of 7 ‐ Final Exam for International Students (Volume A) 2012‐2013（1）Grade 2011 Name Student No. Score 1. Colloid osmotic pressure refers to osmotic pressure exerted by A. Ions. B. Uncharged molecules. C. Lipid soluble compounds. D. Proteins. E. All of the solutes in plasma, acting together. 2. Hexose is moving into a cell and no cellular energy is being directly or indirectly expended in the process. The hexose is entering by A. Diffusing directly through the lipid bilayer. B. Facilitated diffusion on a protein carrier molecule. C. A Na-hexose cotransporter. D. A Na-hexose antiporter. E. A Na-hexose ATPase. 3. Oxygen molecules, moving by diffusion, will equilibrate most rapidly across which of the following structures? A. A capillary wall. B. A fenestrated capillary. C. A layer of skin cells. D. A ventricular wall. E. A lipid bilayer. 4. A cell needs to have a Na-K ATPase pump because A. The pump creates the membrane potential. B. The pump is responsible for the production of action potentials. C. Without a pump, ion fluxes through channels will accumulate and alter concentrations of ions. D. The pump moves water out of the cell, preventing cell death by osmosis. E. Equilibrium potentials are not possible without a pump. 5. In going from the Aorta to the Vena Cava, the the largest drop in pressure is observed in: A. Arteries B. Arterioles C. Capillaries Scores Signature I. Select the Correct Answer (1 mark each, 30 marks in total)