Based on the Nernst Equation, If the Concentration of Sodium

question 28

Multiple Choice

Based on the Nernst equation, if the concentration of sodium outside was 130 mM and the concentration of sodium in the cytoplasm was 12 mM, what is the sodium equilibrium potential?

• A) -85 mV
• B) -30 mV
• C) 0 mV
• D) +30 mV
• E) +60 mV

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Definitions:

Iconic Memory

A component of the visual memory system which includes a very brief (less than a second) retention of visual information.

Image

A representation or likeness of an object produced on a surface by light waves or captured through photography.

Echoic Memory

A component of sensory memory that holds auditory information, allowing sounds to be remembered for short periods after they are heard.

Iconic Memory

A type of visual sensory memory that holds a brief photographic image for a split second before it fades.