A pacemaker is connected to an external temporary pulse generator. The sensitivity control
a. determines heart rate to muscle activity.
b. determines the milliamperes needed to achieve capture.
c. regulates the ability of the pacemaker to detect the heart's intrinsic electrical activity.
d. allows for selection of intervals between atria and ventricles.
C
The sensitivity control regulates the ability of the pacemaker to detect the heart's intrinsic electrical activity. Sensitivity is measured in millivolts (mV) and determines the size of the intracardiac signal that the generator will recognize.
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