Diff: 1 Page Ref: 311-312 39) The cells of single-unit visceral muscle ________.
A. contract all at once
B. are chemically coupled to one another by gap junctions
C. exhibit spontaneous action potentials
D. consist of muscle fibers that are structurally independent of each other
Answer:C
Diff: 1 Page Ref: 311-312 39) The cells of single-unit visceral muscle ________.
A. contract all at once B. are chemically coupled to one another by gap junctions C. exhibit spontaneous action potentials D. consist of muscle fibers that are structurally independent of each other