The Property of Heart Muscle to Contract in the Absence

Question

The property of heart muscle to contract in the absence of neural or hormonal stimulation is called
A) intrinsic.
B) extrinsic.
C) automaticity.
D) self-replicating.
E) self-starting.

Accepted Answer

The property described is known as automaticity, which refers to the ability of certain cardiac muscle cells to generate spontaneous action potentials without external stimulation. The other answer choices are not accurate descriptions of this phenomenon.