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Test Bank for Guyton and Hall Textbook of Medical Physiology, 14th Edition Chapter 04 - Transport of Substances Through Cell Membranes$17.98
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Test Bank for Guyton and Hall Textbook of Medical Physiology, 14th Edition Chapter 04: Transport of Substances Through Cell Membranes CHAPTER 04 Test Bank for Guyton and Hall Textbook of Medical Physiology 14th Edition Hall (Test Bank PDF Files) Chapter 04: Transport of Substances Through Cell Membranes Hall: Guyton and Hall Textbook of Medical Physiology, 14th Edition MULTIPLE CHOICE 1. Which of the following correctly ranks the permeabilities of molecules for an artificial lipid bilayer without any transporters or other protein structures in the membrane? a. Nitrogen > Glucose > Sodium b. Sodium > Glucose > Carbon dioxide c. Urea > Oxygen > Water d. Potassium > Ethanol > Water e. Carbon dioxide > Glucose > Oxygen ANS: A 2. Which of the following substances have a higher extracellular concentration compared to the intracellular concentration? a. Sodium and chloride b. Potassium and sodium c. Calcium and potassium d. Potassium and proteins e. Chloride and potassium ANS: A 3. Which of the following transport mechanisms requires a protein carrier? a. Primary active transport anGd RseAcoDnEdSarLyAacBti.vCe OtraMnsport only b. Primary active transport only c. Secondary active transport only d. Primary active transport, secondary active transport, and facilitated diffusion e. Facilitated diffusion only ANS: D 4. A 43 -year-old woman has serum potassium of 2.5 mEq/L (reference range: 3.5 –5.0 mEq/L). Which of the following sets of changes best describe the resting membrane potential (Vm) and K+ Nernst potential (EK) in a typical neuron in this woman, compared to normal? (Assume normal intracellular concentration of K+.) a. EK, less negative; Vm, less negative b. EK, less negative; Vm, no change c. EK, less negative; Vm, more negative d. EK, more negative; Vm, less negative e. EK, more negative; Vm, more negative f. EK, more negative; Vm, no change g. EK, no change; Vm, less negative h. EK, no change; Vm, more negative ANS: E
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