Intercalated discs in the myocardium perform a very important function. Which of the following describes that function?
A) Absolute refractory period
B) Automaticity
C) Contractility
D) Electrical conduction

Question

Quizplus · Accepted Answer

Cardiac fibers are separated by irregular transverse thickenings of the sarcolemma called intercalated discs. These discs provide structural support and aid in electrical conduction between fibers.

Intercalated Discs in the Myocardium Perform a Very Important Function