Which of the Following Best Describes the Resting Membrane Potential

question 48

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:

Limestone Pillars

Natural columns made of limestone, often formed in karst landscapes through the process of dissolution.

Sinkholes

Depressions or holes in the ground caused by the collapse of a surface layer, often resulting from the dissolution of limestone beneath.

Saltwater Intrusion

The movement of saline water into freshwater aquifers, which can occur due to groundwater extraction or changes in sea level, often leading to the contamination of drinking water sources.

Overpumped

Refers to the excessive extraction of groundwater or other resources, leading to depletion or environmental degradation.