KROK 1 Stomatology 2013 – Question 141 · KROK (Dentistry)
During ventricular systole the muscle does not respond to additional stimulation because it is in the phase of:
- A. Subnormal excitability
- B. Increased excitability
- C. Absolute adiaphoria
- D. Relative adiaphoria
- E. -
Hint
Relate the long plateau of the cardiac action potential to the period when no stimulus, however strong, can trigger a new response.
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