A rise in ECF K⁺ concentration leads to increased excitability of heart muscle, possibly producing fatal cardiac arrhythmias.

Name: A rise in ECF K + concentration leads to increased excitability of heart muscle, possibly producing fatal cardiac arrhythmias.
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Question

Quizplus · Accepted Answer

An increase in ECF potassium concentration can cause hyperkalemia, which can lead to changes in the resting membrane potential and increased excitability of the heart muscle, potentially resulting in fatal cardiac arrhythmias.

A Rise in ECF K+ Concentration Leads to Increased Excitability

A Rise in ECF K⁺ Concentration Leads to Increased Excitability