After returning from cardiac catheterization, the nurse monitors the child's vital signs. The heart rate should be counted for how many seconds?
a. 15
b. 30
c. 60
d. 120
ANS: C
The heart rate is counted for a full minute to determine whether arrhythmias or bradycardia is present. Fifteen to 30 seconds are too short for accurate assessment. Sixty seconds is sufficient to assess heart rate and rhythm.
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