Which of the Following Best Describes the Resting Membrane Potential

question 5

Multiple Choice

Which of the following best describes the resting membrane potential (RMP) ?

• A)The intracellular environment is negatively charged.
• B)The intracellular environment has more positively charged sodium.
• C)The extracellular environment is negatively charged.
• D)It has a voltage of about +75 mV.
• E)It is dependent upon the absorption of potassium ions by the muscle fiber.

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Definitions:

Vasodilation

is the widening of blood vessels which results from relaxation of the muscular walls of the vessels, increasing blood flow.

Homeostatic Adjustment

The process by which living organisms regulate their internal environment to maintain a stable, optimal condition despite external changes.

Hypothalamus

A region of the brain that plays a crucial role in many essential functions, including hormone production, temperature regulation, and managing hunger and thirst signals.

Homeostatic Control

The regulatory process by which a system maintains stability while adjusting to conditions that are optimal for survival.