Which condition leads to an increased resting membrane potential (RMP)? A) Acidosis B) Hypokalemia C) Dehydration D) Hyperkalemia
Understand the Problem
The question is asking about the physiological conditions that can affect the resting membrane potential of cells, specifically which condition would lead to an increase in RMP. We need to analyze each option to determine its effect on membrane potential.
Answer
Hypokalemia leads to an increased resting membrane potential.
Hypokalemia leads to an increased resting membrane potential (RMP).
Answer for screen readers
Hypokalemia leads to an increased resting membrane potential (RMP).
More Information
In the context of membrane potentials, 'increased' resting membrane potential refers to becoming more negative (hyperpolarization). Hypokalemia causes the membrane potential to become more negative, thus increasing it.
Tips
A common mistake is confusing the terms 'increased' and 'decreased' in the context of resting membrane potential. 'Increased' means more negative, or hyperpolarized, while 'decreased' means less negative, or depolarized.
Sources
- Disorders of Potassium: Hypokalemia and Hyperkalemia - cancertherapyadvisor.com
- Electrolyte disorders and arrhythmogenesis - Via Medica Journals [PDF] - journals.viamedica.pl
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