a. BIOCK adrenergic receptors 9. Which of the following axons exhibits the greatest conduction velocity? a. A myelinated

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A Biock Adrenergic Receptors 9 Which Of The Following Axons Exhibits The Greatest Conduction Velocity A A Myelinated 1 (33.31 KiB) Viewed 71 times

a. BIOCK adrenergic receptors 9. Which of the following axons exhibits the greatest conduction velocity? a. A myelinated axon with diameter 20μm b. An unmyelinated axon with diameter 20μm c. An unmyelinated axon with diameter Sum d. A myelinated axon with diameter 5um 10. If a cation is equally distributed across the cell membrane (that is, its concentration inside the cell equals its concentration outside the cell), then which of the following statements is FALSE? a. At-70mV, the electrical force on the ion acts to move into the cell b. The equilibrium potential of the ion is zero c. At +30mV, the chemical force on the ion is zero d. At-70mV, the electrochemical force on the ion acts to move it out of the cell