Multiple Choice
Autorhythmicity in the heart is the responsibility of:
A) cardiac pacemaker cells.
B) smooth muscle cells.
C) skeletal muscle cells.
D) contractile cells.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q105: What ion movement changes the membrane potential
Q106: Predict the effect on the ventricles if
Q107: Predict the effect on the length of
Q108: The pulmonary circuit involves blood flow from
Q109: How much blood is pumped from each
Q111: Place the following parts of the cardiac
Q112: Which of the following volumes should be
Q113: Afterload is described as:<br>A)the force the ventricles
Q114: What produces the "lub dub" heart sounds?<br>A)the
Q115: Discuss the chronotropic effects of the sympathetic