In an Unstimulated Neuron, the Sodium-Potassium Pump Maintains the Concentration

question 21

Multiple Choice

In an unstimulated neuron, the sodium-potassium pump maintains the concentration gradient of sodium and potassium ions by transporting

• A) potassium ions into and sodium ions out of the cell.
• B) potassium ions out of and sodium ions into the cell.
• C) sodium and potassium out of the cell.
• D) sodium and potassium into the cell.
• E) sodium and potassium ions in both directions across the cell membrane.

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Definitions:

Encoding Failure

a situation in which information does not enter the long-term memory due to inadequate attention to or processing of the information.

Rehearsal

The act of practicing or repeating information or actions to enhance memory or performance.

Short-Term Memories

Memory storage that holds small amounts of information for short periods of time, typically seconds to minutes.

Unrehearsed Memories

Memories that have not been intentionally recalled or practiced, often less vivid or reliable than rehearsed memories.