Q:

Which one of the following increases excitability of cardiac muscle

0

Which one of the following increasesexcitability of cardiac muscle?


  1. Increase in ECF [K + ] from 5 to 10 mM
  2. Increase in ECF [K + ] from 5 to 70 mM
  3. Decrease in ECF [K + ] from 5 to 1.4 mM

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  1. Increase in ECF [K + ] from 5 to 10 mM

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