Which of the following is true regarding cardiac muscle?
A) Neither summation nor tetany can occur.
B) Both summation and tetany can occur.
C) Summation, but not tetany, can occur.
D) Tetany, but not summation, can occur.
E) none of the above

Question

Quizplus · Accepted Answer

Cardiac muscle has a long refractory period which prevents summation and tetany, ensuring the heart can relax and fill with blood between contractions.

Which of the Following Is True Regarding Cardiac Muscle