Which of the following is defined as "the ability of a cell to respond to an electrical stimulus"?
a. Conductivity c. Excitability
b. Rhythmicity d. Automaticity
ANS: C
Excitability is defined as the ability of a cell to respond to an electrical stimulus. Conductivity re-fers to the ability of cardiac tissue to propagate an action potential. Automaticity describes the ability of certain specialized cells of the heart to depolarize. Rhythmicity refers to the heart's pacemaker action potential.
Health Professions
You might also like to view...
All of the following are normal parental reactions to a child suffering from a sudden life-threatening illness or injury except:
A) guilt. B) denial. C) anger. D) indifference.
Health Professions
The most abundant cation in the intracellular fluid is:
A) potassium. B) sodium. C) magnesium. D) calcium.
Health Professions