A Section of a Neuron's Membrane Becomes Temporarily Positive on the Inside

question 7

Multiple Choice

A section of a neuron's membrane becomes temporarily positive on the inside when:

• A)ion channels open and sodium ions rush in.
• B)ion channels open and potassium ions rush in.
• C)negatively charged proteins exit the cell.
• D)neurotransmitters enter the cell.

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Definitions:

Perfect Square

A number that is the square of an integer, such as 1, 4, 9, 16, etc.

Evaluate

To figure out the valuation of an expression.

Principal Square Root

The principal square root is the non-negative root of a given number, represented as sqrt(x) for a non-negative number x.

Real Roots

The solutions of an equation that are real numbers.