Which of the Following Statements About Axonal Membranes Is NOT

question 28

Multiple Choice

Which of the following statements about axonal membranes is NOT true?

• A)The resting potential of a typical neuron is -70 mV.
• B)There is an electrical potential difference across a neuron's membrane.
• C)The polarity correlates with a difference in ion distribution across the membrane.
• D)At rest,there is a higher concentration of sodium ions inside the axon.
• E)The sodium-potassium pump establishes a concentration gradient across the membrane.

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Definitions:

Parathyroid

Small glands located behind the thyroid which produce parathyroid hormone, involved in calcium regulation.

Vertebra Prominens

The most prominent vertebra in the neck, easily felt through the skin, typically the seventh cervical vertebra (C7).

C7 Vertebra

The seventh cervical vertebra, located near the base of the neck, distinguished by its prominent spinous process.

Tender

Describes a quality of being soft or delicate to touch, often used medically to indicate sensitivity or pain upon pressure.