Action Potentials Move Along Axons

question 26

Multiple Choice

Action potentials move along axons

• A)more slowly in axons of large than of small diameter.
• B)by the direct action of acetylcholine on the axonal membrane.
• C)by activating the sodium-potassium "pump" at each point along the axonal membrane.
• D)more rapidly in myelinated than in non-myelinated axons.
• E)by reversing the concentration gradients for sodium and potassium ions.

Recognize the processes involved in urine formation and excretion.

Identify the role of hormones in regulating kidney functions.

Understand the pathophysiology and treatment of common urinary system conditions.

Knowledge of the physiological and structural aspects of kidney filtration and reabsorption processes.

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