Which of the following is FALSE regarding single-unit smooth muscle cells?
A) They have an individual neuron innervating of each individual smooth-muscle cell.
B) They have many gap junctions between cells.
C) They may have pacemaker activity.
D) They may respond to stretch by contracting.
E) They exhibit tone.

Question

Quizplus · Accepted Answer

Single-unit smooth muscle cells do not have an individual neuron innervating each cell. Instead, they are innervated by a few autonomic neurons that release neurotransmitters that spread through gap junctions, causing multiple cells to contract together as a unit.

Which of the Following Is FALSE Regarding Single-Unit Smooth Muscle